(Upload on May 16 2024) [ 日本語 | English ]

Seminar: Symbiosis in nature (自然共生セミナー)

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Contents [ Objectives | Guidance | Schedule | 2011 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 20 | 22 | 23 | 24 ]



The major objectives of this seminar are to understand symbiosis in nature and to progress the research.

Goals: to improve our knowledge, presentation and discussion skills
Expectations: positive participation by comments, questions and discussion. Be punctual (due dates)

Staff members: Shiro TSUYUZAKI HP · Mamoru ISHIKAWA HP · Tomonori SATO HP · Junjiro NEGISHI HP · Masayuki SENZAKI HP


Date/Time: April 12th (Wed), 14:45-
Room: D103/Online (ask to the instructors if you wish to join via zoom)


The applicant must attend the guidance if the one is expected to belong to sub-course in Nature in Symbiosis. The lecture room will be changed, depending on the number of attendants, etc. If you cannot attend the guidance, give us the notice.

The seminar takes place biweekly starting at 14:45 on Wednesday.


First semester (April-September) Second semester (October-March)
  1. April 10: guidance
  2. April 24: paper review
    • 周 習霊: Kim J-S, Kug J-S, Jeong S-J, Park H, Schaepman-Strub G. 2020. Extensive fires in southeastern Siberian permafrost linked to preceding Arctic Oscillation. Science Advances 6, doi: 10.1126/sciadv.aax3308
    • Dai B: Xia Z, Heino J, F, He Y, Liu F, Jianwei Wang J. 2022. Spatial patterns of site and species contributions to β diversity in riverine fish assemblages. Ecological Indicators 145, 109728
    • Villaruel Mc JS: Bo T, Doretto A, Levrino M, Fenoglio S. 2020.Contribution of beta diversity in shaping stream macroinvertebrate communities among hydro-ecoregions. Aquatic Ecology 54: 957-971. doi: 10.1007/s10452-020-09786-6
  3. May 8: paper review
    • Janine R. TOLOD: Gonzales JM, Elosegi A. 2021. Water abstraction reduces taxonomic and functional diversity of stream invertebrate assemblages. Freshwater Science 40. doi: 10.1086/716201
    • Takehiro Morioka: Ito R, Kawase H, Imada Y. 2022. Regional Differences in Summertime Extremely High Temperature in Japan due to Global Warming. Journal of Applied Meteorology and Climatology 61: 1573-1587. doi: 10.1175/JAMC-D-22-0062.1
    • Nabila Irtifa Alam: Tinh PH, MacKenzie RA, Hung TD et al. 2022. Distribution and drivers of Vietnam mangrove deforestation from 1995 to 2019. Mitigation and Adaptation Strategies for Global Change 27, 29. doi: 10.1007/s11027-022-10005-w
  4. May 22: paper review
    • Wu junyi: Lamphere BA, Blum MJ. 2011. Genetic estimates of population structure and dispersal in a benthic stream fish. Ecology of Freshwater Fish 21: 75-86. doi: 10.1111/j.1600-0633.2011.00525.x
    • 吉谷 晟: Rebrina F,Petróczki K,Inhofer M,Reinhold K,Schmoll T. 2020. Motorway age is linked to larger body size, but not song carrier frequency, in male grasshoppers from road. Evolutionary Ecology 34: 945-961. doi: 10.1007/s10682-020-10077-7"
    • 齋藤 淳也: Caruana A, Camilleri B, Farrugia L, Jones JPG. 2024. Mechanical excavation of wetland habitat failed to eradicate invasive American red swamp crayfish (Procambarus clarkii) in Malta. Ecological Solutions and Evidence 5, e12325. doi: 10.1002/2688-8319.12325
    • 李 恩: Woellner R, Wagner TC, Crabot J, Kollmann J. 2022. Spatio-temporal patterns in degradation and restoration of gravel bars along Alpine rivers. River Research and Applications 38: 738-756. doi: 10.1002/rra.3933
  5. June 12:
  6. June 19:
  7. July 3:
  8. July 17:
  9. July 31:

Before 2023


First semester (April-September) Second semester (October-March)
  1. April 12: guidance
  2. April 26: paper review
    • Shixue Li (D3): Dai L, Cheng TF, Lu M. 2020. Summer monsoon rainfall patterns and predictability over southeast China. Water Resources Research 56: e2019WR025515. doi: 10.1029/2019WR025515
    • Bingguo Dai (D2): Radinger J et al. 2023. Ecosystem-based management outperforms species-focused stocking for enhancing fish populations. Science 379: 946-951. doi: 10.1126/science.adf0895
    • Xiling Zhou (D2): Scholten RC, Coumou D, Luo F, Veraverbeke S. 2022. Early snowmelt and polar jet dynamics co-influence recent extreme Siberian fire seasons. Science 378: 1005-1009. doi: 10.1126/science.abn4419
  3. May 10: paper review
    • Irtifa Alam Nabila (D2): Faruque MJ, Vekerdy Z, Hasan MY, et al. 2022. Monitoring of land use and land cover changes by using remote sensing and GIS techniques at human-induced mangrove forests areas in Bangladesh. Remote Sensing Applications: Society and Environment 25, 100699. doi: 10.1016/j.rsase.2022.100699
    • Janine Tolod (D2): Takao A, Kawaguchi Y, Minagawa T, Kayaba Y, Morimoto Y. 2008. The relationship between benthic macroinvertebrates and biotic and abiotic environmental characteristics downstream of the Yahagi dam, CentralJapan, and the state change caused by inflow from a tributary. River Research and Applications 24: 580-597. doi: 10.1002/rra.1135
    • McJervis Villaruel (D2): Weigelhofer G, Waringer J. 2003. Vertical distribution of benthic macroinvertebrates in riffles versus deep runs with differing contents of fine sediments (Weidlingbach, Austria). International Review of Hydrobiology 88: 304-323. doi: 10.1002/iroh.200390027
  4. May 24: paper review
    • Junyi Wu (D2): Comte L, Murienne J, Grenouillet G. 2014. Species traits and phylogenetic conservatism of climate-induced range shifts in stream fishes. Nature Communications 5, 5053. doi: 10.1038/ncomms6053
    • Takehiko Shimizu (M2): Murray NJ, Worthington TA, Bunting P., et al. 2022. High-resolution mapping of losses and gains of Earth's tidal wetlands. Science. 376: 744-749. doi: 10.1126/science.abm9583
    • Guanyu Song (M2): Li X, Wang S. 2022. Recent increase in the occurrence of snow droughts followed by extreme heatwaves in a warmer world. Geophysical Research Letters 40, e2022GL099925. doi: 10.1029/2022GL099925
  5. June 7: paper review
      Haizhou Gao (M2): Izagirre O, Serra A, Guasch H, Elosegi A. 2009. Effects of sediment deposition on periphytic biomass, photosynthetic activity and algal community structure. Science of the Total Environment 407: 5694-5700. doi: 10.1016/j.scitotenv.2009.06.049
    • Tatsuro Kotsuji. Bernard F, et al. 2022. Daily fluctuations in leaf temperature modulate the development of a foliar pathogen. Agricultural and Forest Meteorology 322, 109031. doi: 10.1016/j.agrformet.2022.109031
    • Sachiko Osada (M2): Benjamin M, et al. 2019. Nocturnal flight-calling behavior predicts vulnerability to artificial light in migratory birds. Proceedings of the Royal Society B: Biological Sciences 286, 20190364. doi: 10.1098/rspb.2019.0364
  6. June 21: paper review
    • Ferreira Ramim Bruna (M1): Ohba M. 2019. The Impact of global warming on wind energy resources and ramp events in Japan. Atmosphere 10, 265. doi: 10.3390/atmos10050265
    • Piya Mandal (M1): de Queiroz T, Meyer SE. 2023. Long-term seed bank persistence in a stochastic desert environment. Ecology and Evolution. doi: 10.1002/ece3.9924
  7. July 5: paper review
    • Yushi Yamaguchi (M1): Keim et al. 2017. Estimating plant abundance using inflated beta distributions: Applied learnings from a lichen–caribou ecosystem. Ecology and Evolution 7: 486-493. doi: 10.1002/ece3.2625
    • Junya Saito (M1): Martin et al.. 2012. Invasive Species: to eat or not to eat, that is the question. Conservation Letters 5: 334-341. doi: 10.1111/j.1755-263X.2012.00250.x
    • Jou Yoshigai (M1): Lampe et al. 2012. Staying tuned: grasshoppers from noisy roadside habitats produce courtship signals with elevated frequency components. Functional Ecology 26: 1348-1354. doi: 10.1111/1365-2435.12000
  8. July 19: paper review
      Lee Eun (M1): Kalny et al. 2014. The influence of riparian vegetation shading on water temperature during low flow conditions in a medium sized river. Knowledge & Management of Aquatic Ecosystems 418, Article 5. doi: 10.1051/kmae/2016037
    • Kento Kobayashi (M1): Kawase H, Imada Y, Watanabe S. 2022. Impacts of historical atmospheric and oceanic warming on heavy snowfall in December 2020 in Japan. Journal of Geophysical Research Atmospheres 127, e2022JD036996. doi:10.1029/2022JD036996
  9. August 2: paper review
    • Shamu Liu (M1): Crabot J, Doledec S, Forcellini M, Datry T. 2021. Efficiency of invertebrate-based bioassessment for evaluating the ecological status of streams along a gradient of flow intermittence. Ecological Indicators 133, 108440. doi: 10.1016/j.ecolind.2021.108440
    • Ikumi Oda (M1): Pander J, Knott J, Mueller M, Geist J. 2019. Effects of environmental flows in a restored floodplain system on the community composition of fish, macroinvertebrates and macrophytes. Ecological Engineering 132: 75-86. doi: 10.1016/j.ecoleng.2019.04.003
    • Lalanirina Andrianoelisoa (M1): Miezah K, Obiri-Danso K, Kadar Z, Fei-Baffoe, Mensah MY. 2015. Municipal solid waste characterization and quantification as a measure towards effective waste management in Ghana. Waste Management 46: 15-27. doi: 10.1016/j.wasman.2015.09.009
  1. October 11: Research progress
    • Shixue Li: PhD dissertation structure: East Asian summer monsoon responses to mid-latitude forcing: effects of circumglobal teleconnections and Tibetan Plateau land surface processes
    • Bingguo Dai: Taxonomic, phylogenetic, and functional diversity and distributions of freshwater fish in Japan
    • Xiling Zhou; presentation title: Different dynamic characteristics of heatwaves over northeastern Siberia in July and August
  2. October 25: Research progress
    • Janine Tolod: Macroinvertebrate response to tailrace inflow in the Toyohira River
    • McJervis Villaruel: Hyporheic invertebrate assemblage along lateral gradient in a gravel-bed river
    • Takehiko Shimizu: Understanding the spatiotemporal relationship between coastal waterbird communities and coastal environments
  3. November 8: Research progress
    • Junyi Wu: The effects of water flow manipulation on the cold-water fish in the Toyohira river, Hokkaido
    • Guanyu Song: Contribution of human activities on historical change in snow cover in northern hemisphere-Analysis on seasonal mean snow cover area
    • Sachiko Osada: Ground based illumination disrupts the migratory birds' behavior
  4. November 22: Research progress
    • Haizhou Gao: Periphyton biofilm responses to flow regime changes and its application to environmental monitoring
    • Tatsuro Kotsuji: Analysis of conditions for potato late blight outbreak using temperature and humidity in potato farmlands
    • Ferreira Ramim Bruna: Weather pressure patterns associated with wind power ramps in northeast and south of Brazil
  5. December 6: Research progress
    • Sachiko Osada: Ground based illumination disrupts the migratory birds' behavior
    • Takehiro Morioka: Impact of high sea surface temperatures around Hokkaido in July 2021 on the risk of heat stroke
    • Eun Lee The effect of gravel bar on the variation of river water temperature
    • Yushi Yamaguchi Characteristics of plants that appear due to elevation differences or wind-caves
  6. December 20: Research progress
    • Irtifa Alam Nabila: Effects of disturbances on coastal forest ecosystem services
    • Junya Saito: Effect of pleopods removal on survival and sterility of signal crayfish
    • Jou Yoshigai: The effects of anthropogenic noise on the development of stridulatory organs in grasshoppers
  7. January 10: Research progress
    • Piya Mandal: Seed bank composition in the former and current topsoils on Mount Usu, northern Japan
    • Kento Kobayashi: Long-term forecast of heavy snowfall in Sapporo focusing on the pressure pattern
    • Lalanirina Andrinoelisoa: Household solid waste characterization in the municipality of Antananarivo, Madagascar
  8. January 24: Research progress
    • Ikumi Oda: Assessment of the effects of river restoration on the physical environment and fish fauna in Hokkaido
    • Sougo Hori: The determinant factors of the vegetation zones transition in Mongolia
    • Shanmu Liu Do aquatic insects emerge through the gravel bars in rivers?


First semester (April-September) Second semester (October-March)
  1. April 13: guidance
  2. April 20: paper review
    • Li shixue: Fung IY, Chiang JCH. 2022. East Asian rainbands and associated circulation over the Tibetan Plateau region. Journal of Climate. doi: 10.1175/jcli-d-21-0569.1
    • Dai bingguo: Ding C, Jiang X, Brosse S. 2017. Seventy-five years of biodiversity decline of fish assemblages in Chinese isolated plateau lakes: widespread introductions and extirpations of narrow endemics lead to regional loss of dissimilarity. Diversity and Distribution 23: 171-184. doi: 10.1111/ddi.12507
  3. May 11: Paper review
    • Nabila Irtifa Alam: Hu L, Li W, Xu B. 2018. The role of remote sensing on studying mangrove forest extent change. International journal of remote sensing 39: 1–23. doi: 10.1080/01431161.2018.1455239
    • Janine Tolod: Arias-Real R, Margarita Menéndez, Abril M, Oliva F, Muñoz I. 2018. Quality and quantity of leaf litter: Both are important for feeding preferences and growth of an aquatic shredder. PloSOne 13, e0208272. doi: 10.1371/journal.pone.0208272
  4. May 25: Paper review
    • Mc Jervis Villaruel: Fernandez S, Rodriguez-Martinez S, Martinez JL, Garcia-Vasquez E, Ardura A. 2019. How can eDNA contribute in riverine macroinvertebrate assessment? A metabarcoding approach in the Nalón River (Asturias, Northern Spain). Environmental DNA 1: 385–401. doi. 10.1002/edn3.40
    • Wu junyi: Gleason JE, Elbrecht V, Braukmann TWA, Hanner RH, Cottenie K. 2020. Assessment of stream macroinvertebrate communities with eDNA is not congruent with tissue-based metabarcoding. Molecular Ecology 30: 3239-3251. doi. 10.1111/mec.15597
  5. June 8: Paper review
    • Zhou Xiling: Wu B, Li Z, Francis JA, Ding S. 2022. A recent weakening of winter temperature association between Arctic and Asia. Environmental Research Letters 17, 034030. doi: 10.1088/1748-9326/ac4b51
    • Kosuke Nagahiro: Imada Y, Kawase H, Watanabe M, Arai M, Shiogama H, Takayabu I. 2020. Advanced risk-based event attribution for heavy regional rainfall events. Journal: npj Climate and Atmospheric Science 3, 37: doi: 10.1038/s41612-020-00141-y
  6. June 22: Paper review
    • Yao Shuyu: Ma H, Zhang H, Deng J, Zhao H, Kong F, Jiang W, Zhang H, Dong X, Wang Q. 2022. Detection the eDNA of Batrachuperus taibaiensis from the Zhouzhi Heihe River Using a nested PCR method and DNA barcoding. Animals 12, 1105. doi: 10.3390/ani12091105
    • Takehiro Morioka: Nakamura S, Kusaka H, Sato R, Sato T. 2022. Heatstroke risk projection in Japan under current and near future climates. Journal of the Meteorological Society of Japan (early view, 2022-030). doi: 10.2151/jmsj.2022-030
    • Gao Haizhou: Mortágua A, Vasselon V, Oliveira R, Elias C, Chardon C, Bouchez A, Rimet R, Feio MJ, Almeida SFP. 2019. Applicability of DNA metabarcoding approach in the bioassessment of Portuguese rivers using diatoms. Ecological Indicators 106, 105470. doi: 10.1016/j.ecolind.2019.105470
  7. July 6: Paper review
    • Tatsuro Kotsuji: Iizumi T, Uno F, Nishimori M. 2012. Climate downscaling as a source of uncertainty in projecting local climate change impacts. Journal of the Meteorological Society of Japan 90B: 83-90
    • 岡崎紘也: Wacker S, Fossoy F, Larsen BM, Brandsegg H, Sivertsgard R, Karlsson S. 2018. Downstream transport and seasonal variation in freshwater pearl mussel (Margaritifera margaritifera) eDNA concentration. Environmental DNA 1: 64–73
    • 長田幸子: Van Doren BM, Horton KG, Dokter AM, Klinck H, Elbin SB, Famsworth A. Proceedings of the National Academy of Sciences of the United States of America 114: 11175-11180
  8. July 20: Paper review
    • 清水孟彦 (Takehiko Shimizu): Wang X, Chen Y, Melville DS, Choi CY, Tan K, Liu J, Li J, Zhang S, Ma Z. 2022. Impacts of habitat loss on migratory shorebird populations and communities at stopover sites in the Yellow Sea. Biological Conservation, 269, doi: 10.1016/j.biocon.2022.109547
    • Song Guanyu: Qiuhong T, Xuejun Z, Jennifer AF. 2014. Extreme summer weather in northern mid-latitudes linked to a vanishing cryosphere. Nature Climate Change 4: 45-50. doi: 10.1038/NCLIMATE2065
    • 今川知美 (Imagawa Satomi): Dan MT, Boglárka MK, Alexandra T, Roland S. 2022. Identifying CO2 seeps in a long-dormant volcanic area using uncrewed aerial vehicle-based infrared thermometry: a qualitative study. Sensors 22, doi: 10.3390/ s22072719
  1. October 12: Research progress
    • Li Shixue: Influence of Indian monsoonal heating on East Asian rainfall in early summer
    • Dai Bingguo: Diversity of native fishes inhabiting lentic waterbodies in Japan
  2. October 26: Research progress
    • Nabila Irtifa Alam: Effects of disturbances on coastal forest ecosystem services
    • Janine Tolod: Influence of temperature variation in aquatic macroinvertebrates
  3. November 9: Research progress
    • Mc Jervis Villaruel: eDNA metabarcoding as an alternative technique in studying hyporheic invertebrates
    • Zhou Xiling: Interannual variability of the Warm Arctic-Cold Eurasia pattern modulated by Ural Blocking and North Atlantic Oscillation using a large ensemble experiment
  4. November 30: Research progress
    • Wu Junyi: Assessing ecological responses of cold-water-adapted Sculpin (Cottus nozawae) to a thermal barrier manipulation in the Toyohira River
    • Kosuke Nagahiro: Historical change in short heavy precipitation in Japan due to climate change
  5. December 14: Research progress
    • Yao Shuyu: Development and validation of species-specific eDNA technology to detect and quantify hyporheic invertebrates in rivers
    • Takehiro Morioka: Influence of the two-stage structure of Tibetan and Pacific high-pressure systems on the number of heat stroke patients in Japan
  6. January 4: Research progress
    • Takehiko Shimizu: Understanding the impact of coastal environment changes on shorebirds population trends and community structures in Japan
    • Gao Haizhou: Can eDNA in biofilms monitor changes in benthic fish distribution?
  7. January 18: Research progress
    • Song Guanyu: Contribution of human activities on historical changes in snow cover in northern hemisphere
    • Okazaki Koya: Assessing the impact of flow changes on endangered Margaritifera laevis
    • Tatsuro Kotsuji: Temporal variation of relative humidity at leaf height in the potato farmland and its mechanism
  8. February 1: Research progress
    • Bruna Ferreira Ramim: Study of the Okhotsk high pressure and its influence in Japan
    • Sachiko Osada: Ground-based light pollution disrupts nocturnal flights in migrating birds
    • Piya Mandal: Assessing the impacts of disturbances on ecosystem structures in Northern Japan


First semester (April-September)
  1. April 12: guidance
  2. April 28: paper review
    • Md. Khorshed Alam: Lencioni V, Spitale D. 2015. Diversity and distribution of benthic and hyporheic fauna in different stream types on an alpine glacial floodplain. Hydrobiologia 751; 73–87
    • Md. Anowarul Islam: Dandapat S, Gnanaseelan C, Parekh A, 2020. Impact of excess and deficit river runoff on Bay of Bengal upper ocean characteristics using an ocean general circulation model. Deep Sea Research Part II: Topical Studies in Oceanography 172, 104714
  3. May 12: paper review
    • Shixue Li: Zhou Z, Xie S, Zhang R. 2019. Variability and predictability of Indian rainfall during the monsoon onset month of June. Geophysical Research Letters 46: 14782–14788
    • Wu junyi: Troth CR, Sweet MJ, Nightingale J, Buriana A. 2021. Seasonality, DNA degradation and spatial heterogeneity as drivers of eDNA detection dynamics. Science of the Total Environment 768, 144466
  4. May 26 (Zoom): paper review
    • Deokyoung Han: Natoli MB, Maloney ED, 2019. Intraseasonal variability of the diurnal cycle of precipitation in the Philippines. Journal of Atmospheric Sciences 76: 3633-3654
    • Akari Fujiwaka: to be decided
  5. June 9 (Zoom): paper review
    • Xiling Zhou: Hori ME, Oshima K. 2018. Robustness of the warm Arctic/Cold Eurasian signature within a large ensemble model experiment. SOLA 14: 69−73
    • Kosuke Nagahiro: Miyasaka T, Kawase H, Nakaegawa T, Imada Y, Takayabu Y. 2020. Future projections of heavy precipitation in kanto and associated weather patterns using large ensemble high-resolution simulations. SOLA 16: 125-131
  6. June 30 (zoom): paper review
    • Yao Shuyu: Uchida N, Kubota K, Aita S, Kazama S. 2020. Aquatic insect community structure revealed by eDNA metabarcoding derives indices for environmental assessment. PeerJ, 8: e9176 (doi: 10.7717/peerj.9176)
    • Takehiro Morioka: Takane Y, Kikegawa Y, Hara M, Grimmond CB. 2019. Urban warming and future air-conditioning use in an Asian megacity: importance of positive feedback. Climate and Atmospheric Science, 2, 39 (doi: 10.1038/s41612-019-0096-2)
  7. July 14: paper review
    • Miki McAlinn: Wooldridge SA, Brodie JE. 2015. Environmental triggers for primary outbreaks of crown-of-thorns starfish on the Great Barrier Reef, Australia. Marine Pollution Bulletin 101: 805-815 (doi: 10.1016/j.marpolbul.2015.08.049)
  1. July 28: paper review
    • Azumi Okazaki: Deluigi N, Lambiel X, Kanevski M. 2017. Data-driven mapping of the potential mountain permafrost distribution. Science of the Total Environment, 590/591: 370–380 (doi: 10.1016/j.scitotenv.2017.02.041)
    • Ryoga Ono: Kinoshita T, Ohki T, Yamagata Y. 2010. Woody biomass supply potential for thermal power plants in Japan. Applied Energy, 87, 2923-2927 (doi: 10.1016/j.apenergy.2009.08.025
Second semester (October-March)
  1. October 6: Research progress/proposal
    • Islam Md. Anowarul: Importance of basin area precipitation for prediction of extreme sea levels along the coast of Bangladesh
    • Md. Khorshed Alam: Hyporheic and benthic characterization of macroinvertebrate communities at multiple rivers with different environmental contexts
  2. October 20: Research progress/proposal
    • Dai Bingguo: Effect of water level alteration on assembling mechanism of fish metacommunity functional structure
    • Shixue Li: Interannual variability of the East Asian summer monsoon in June: general characteristics and possible triggers
    • Deokyoung Han: Characteristics of BSISO phase and atmospheric synoptic condition
  3. November 10: Research progress/proposal
    • Wu junyi: Development of eDNA detection system for evaluating abundance and reproduction of freshwater mussels in the Ishikari river floodplain
    • Azumi Okazaki: Spring discharge change under changing climate conditions in Mongolia
    • Xiling Zhou: Inter-annual variation of warm Arctic cold Eurasia pattern investigated by using large ensemble experiment
  4. November 24: Research progress/proposal
    • Takehiro Morioka: to be decided
    • Yao Shuyu: Development of eDNA technology in the detection of hyporheic macroinvertebrates and their response under various land-uses
    • Ono Ryoga: to be decided
  5. December 8: Research progress/proposal
    • Deokyoung Han: Effect of sea surface temperature on precipitation variability in East sia induced by the Boreal Summer Intra-seasonal Oscillation
    • Kosuke Nagahiro: Historical change in hourly heavy precipitation in Japan due to climate change


First semester (April-September)
  1. April 13: guidance
  2. May 27: paper review
  3. June 10: paper review
    • Pongsivapai Pongpet: Scott JT, McCarthy MJ. 2010. Nitrogen fixation may not balance the nitrogen pool in lakes over timescales relevant to eutrophication management. Limnology and Oceanography 55: 1265-1270
    • Md. Anowarul Islam: Ward PJ, Couasnon A, Eilander D, Haigh ID, Hendry A, Muis S, Veldkamp TI, Winsemius HC, Wahl T, 2018. Dependence between high sea-level and high river discharge increases flood hazard in global deltas and estuaries. Environmental Research Letters, 13, 084012
    • Shixue Li: Hoerling M, Kumar A. 2003. The perfect ocean for drought. Science 299: 691–694
  4. June 24: paper review
    • Tomohiro Nakagawa : Didham RK, Blakely TJ, Ewers RM, Hitchings TR, Ward JB, Winterbourn MJ. 2012. Horizontal and vertical structuring in the dispersal of adult aquatic insects in a fragmented landscape. Fundamental and Applied Limnology 180: 27-40
    • 2. Yu Gao: Ueda H, Kibe A, Saitoh M, Inoue T, 2015. Snowfall variations in Japan and its linkage with tropical forcing. International Journal of Climatology 35: 991–998
  5. July 8: paper review
    • Shohei Yamashita: Tucker S, Hipfner JM, Trudel M, 2016. Size-and condition-dependent predation: a seabird disproportionately targets substandard individual juvenile salmon. Ecology 97: 461–471
    • Yuki Sato: Naoi M, Kamae Y, Ueda H, Mei W. 2020. Impacts of seasonal transitions of ENSO on atmospheric river activity over East Asia. Journal of the Meteorological Society of Japan 98: 655-668
  6. July 22: research progress/paper review
    • Mirza Tanvir Rahman (Study progress): A linkage between the underground and the land: dispersal of adult hyporheos from a gravel bed river
    • Deokyoung Han: Xu W, Rutledge SA. 2018. Convective variability associated with the boreal summer intraseasonal oscillation in the South China sea region. Journal of Climate 31: 7363–7383
  1. August 5: paper review
    • Nagiko Ochi: Miyamoto Y, Griesbauer HP, Green DS. 2010. Growth responses of three coexisting conifer species to climate across wide geographic and climate ranges in Yukon and British Columbia. Forest Ecology and Management 259: 514-523
    • Xiling Zhou: He S, Xu X, Furevik T, Gao Y. 2020. Eurasian cooling linked to the vertical distribution of Arctic warming. Geophysical Research Letters 47: e2020GL087212
    • Wu Junyi: Takahara T, Minamoto T, Yamanaka H, Doi H, Kawabata Z. 2012. Estimation of fish biomass using environmental DNA. PLOS ONE 7: e35868
Second semester (October-March)
  1. October 7: guidance
  2. October 21: Research progress
    • Kenta Tamura: Influence of the Okhotsk sea ice on the cyclone activity around Hokkaido
    • Khorshed Alam Tushar: Effects of environmental stressors on hyporheic community and ecosystem functions in gravel bed rivers
  3. November 4: Research progress
    • Islam Mohammad Anowarul: Spatio-temporal variation of the meteorological variables during extreme sea level events along the coast of Bangladesh
    • Shixue Li: The controlling factors of winter Tibetan Plateau snow cover and their change under global warming
  4. November 18: Research progress
    • Tomohiro Nakagawa: Spatial distribution of aquatic insects in riparian forests
    • Yu Gao: Interannual variation of snow depth in Hokkaido and its relation to large scale circulation
  5. December 2: Research progress (Zoom)
    • Shohei Yamashita: Negative effects of spring water on chum salmon from eyed egg to emergence
    • Nagiko Ochi: Responses of coniferous species to different climatic conditions in Hokkaido
  6. December 16: Research progress (Zoom)
    • Yuki Sato: Impacts of seasonal transitions of ENSO on extreme weather in Japan
    • Deokyoung Han: The composite analysis of weather pattern based on the combined effects of boreal summer intra-seasonal oscillation and sea surface temperature
  7. January 6: Paper review/Research progress (Zoom)
    • Zhou Xiling (Research progress): Linkage of winter sea ice and Arctic Oscillation with winter temperature in Eurasia
    • Wu Junyi (Research progress): Phylogenetic analysis and mesocosm experiment design for targeted freshwater mussel species


First semester (April-September)
  1. April 10: guidance
  2. April 24: Paper review
  3. May 8: Paper review
  4. May 22: Paper review
  5. June 5: Paper review
  6. June 19: Paper review
  7. July 3: Paper review
  1. July 17: Paper review
Second semester (October-March)
  1. October 9: Research progress
    • Pogpet Pongsivapai: The spatial variations of sediment properties and water quality in floodplain water body
    • Kenta Tamura: Diverse response to topographic forcing during the Polar Mesocyclones genesis around the Offshore West of Hokkaido
  2. October 23: Research progress
    • Islam Mohammad Anowarul. Influence of terrestrial precipitation and associated discharge to the extreme sea levels along the coast of Bangladesh
    • Kevin Lucas. Atmospheric variability as limiting factor to renewable energy
  3. November 6: Research progress
    • Md. Khorshed Alam Tushar. Influence of fine sediment on organic matter decomposition and invertebrates in the hyporheic zone of gravel-bed rivers
    • Nagiko Ochi. Responses of three conifer species to different climatic conditions in Hokkaido
    • Shixue Li. Human attribution on the reduction of Tibetan plateau snow cover
  4. November 27: Research progress
    • Shohei Yamashita: Effect of spring water on survival and growth rates from eyed eggs to emergence of chum salmon
    • Tomohiro Nakagawa: Do EPT utilize the riparian forest along the alluvial fan river?
    • Yu Gao: Interannual variation of snow depth in North Japan in relation to meteorological factors
  5. December 11: Research progress
    • Yuki Sato: Analysis of climatological factors that affect the summer climate in the Hokkaido region
    • Deokyoung HAN: Understanding patterns of precipitation influenced by atmospheric and oceanic conditions
  6. December 25: Research progress
    • Daisetsu Ito: Local adaptation study of endangered freshwater pearl mussel Margaritifera togakushiensis to its host Salvelinus leucomaenis leucomaenis; implication for conservation
    • Hokuto Izumi: Species-specific habitat of Unionoida and elucidation of the distribution history in the Ishikari floodplain lakes

Staff members: Shiro Tsuyuzaki · Mamoru ISHIKAWA · Tomonori SATO (= Instructor in Charge) · Junjiro NEGISHI


First semester (April-September)
  1. April 16 (5th class); Guidance
  2. May 2: Paper review
    • Ta Huu Chinh: Kim D, Kim H-S, Park D-SR, Park, M.-S. 2017. Variation of the tropical cyclone season start in the Western North Pacific. Journal of Climate, 30: 3297–3302.
    • Kazuki Miura: Bajer PG, Chizinski CJ, Sorensen PW. 2011. Using the Judas technique to locate and remove wintertime aggregations of invasive common carp. Fisheries Management and Ecology 18: 497–505.
    • Sharmin Shishir: Klančnik K, Gaberščik A. 2016. Leaf spectral signatures differ in plant species colonizing habitats along a hydrological gradient. Journal of Plant Ecology 9: 442–450.
  3. May 14: Paper review
    • Rahman Mirza: Scharnweber K, Vanni MJ, Hilt S, Syväranta J, Mehner T. 2014. Boomerang ecosystem fluxes: organic carbon inputs from land to lakes are returned to terrestrial food webs via aquatic insects. Oikos 123: 1439–1448. doi.10.1111/oik.01524
    • Kenta Tamura: Yanase W, Niino H, Watanabe SII, Hodges K, Zahn M, Spengler T, Gurvich IA. 2016. Climatology of polar lows over the sea of Japan using the JRA-55 reanalysis. Journal of Climate 29: 419–437. 10.1175/JCLI-D-15-0291.1
    • Ahsan Habib: Miyakawa T, Satomura T. 2006. Seasonal variation and environmental properties of southward propagating mesoscale convective systems over the Bay of Bengal. Sola 2: 88–91. doi. 10.2151/sola.2006-023
  4. May 30: Paper review
    • Pogpet Pongsivapai: Ribeiro DC, Martins G, Nogueira R, Brito AG. 2014. Mineral cycling and pH gradient related with biological activity under transient anoxic–oxic conditions: Effect on P mobility in volcanic lake sediments. Environmental Science & Technology 48: 9205-9210.
  5. June 13: Paper review
    • Toshiyuki Iguchi: Zimmerman JK, Everham EM, Waide RB, Lodge DJ, Taylor CM, Brokaw NVL. 1994. Responses of tree species to hurricane winds in subtropical wet forest in Puerto Rico: Implications for tropical tree life histories. Journal of Ecology 82: 911–922. doi.10.2307/2261454
    • Md. Khorshed Alam Tushar: Zah R, Burgherr P, Bernasconi SM, Uehlinger U. 2001. Stable isotope analysis of macroinvertebrates and their food sources in a glacier stream. Freshwater Biology 46: 871–882. doi. 10.1046/j.1365-2427.2001.00720.x
    • Anowarul Islam: Karabil S, Zorita E, Hunicke B. 2017. Mechanisms of variability in decadal sea-level trends in the Baltic Sea over the 20th Century. Earth System Dynamics 8: 1031–1046. doi. 10.5194/esd-8-1031-2017
  6. July 4: Paper review
    • Mo Shixin: Slowter A, Amat MBC, Clgna F, Marsh S, Athab A, Alshammari L. 2016. Mexico City land subsidence in 2014–2015 with Sentinel-1 IW TOPS: Results using the Intermittent SBAS (ISBAS) technique. International Journal of Applied Earth Observation and Geoinformation 52: 230-242
    • Kevin Ray E Lucas: Phibbs S, Toumi R. 2014. Modeled dependence of wind and waves on ocean temperature in tropical cyclones.GeophysicalResearchLetters 41: 7383-7390
    • Hokuto Izumi: Hayes KA, Joshi RC, Thiengo SC, Cowie RH. 2008. Out of South America: multiple origins of non-native apple snails in Asia. Diversity and Distributions 14: 701-712
  1. July 18: Paper review
    • Daisetsu Itoh: Österling EM, Söderberg H. 2015. Sea-trout habitat fragmentation affects threatened freshwater pearl mussel. Biological Conservation 186:197–203. doi: 10.1016/j.biocon.2015.03.016
    • Jia Yumeng: Krebs M, Gaudig G, Joosten H. 2016. Record growth of Sphagnum papillosum in Georgia (Transcaucasus): rain frequency, temperature and microhabitat as key drivers in natural bogs. Mires and Peat 18:1–16. doi: 10.19189/MaP.2015.OMB.190
    • Zhang Xiaoli: Vujić V, Rubinjoni L, Selaković S, Cvetković D. 2016. Small-scale variations in leaf shape under anthropogenic disturbance in dioecious forest forb Mercurialis perennis: a geometric morphometric examination. Archives of Biological Sciences 68:705-713. doi. 10.2298/ABS151111011V
  2. Augsut 1: Paper review
    • Gao Yiyang: Tylianakis JM, Klein AM, Tscharntke T. 2005. Spatiotemporal variation in the diversity of Hymenoptera across a tropical habitat gradient. Ecology 86: 3296–3302. doi: 10.1890/05-0371
    • Janine Rodulfo Tolod: Carrie R, Dobson M, Barlow J. 2015. The influence of geology and season on macroinvertebrates in Belizean streams: implications for tropical bioassessment. Freshwater Science 34: 648–662. doi: 10.1086/681541
Second semester (October-March)
  1. October 10: Research progress
    • Ta Huu Chinh: The potential of large-scale environment in predicting tropical cyclone activity in relation to ENSO
    • Kazuki Miura: The mechanisms of extinction debt of long-lived freshwater pearl mussel
  2. October 24: Research progress
    • Mirza A.T.M. Tanvir Rahman: Dispersal of emergent aquatic insect from a gravel bed river to the land focusing on hyporheos
    • Pogpet Pongsivapai: Seasonal variation of phosphorus internal loading from sediment to water in different lakes
  3. November 7: Research progress
    • Toshiyuki Igushi
    • Anowarul Islam: Research title: Influence of terrestrial precipitation to the variability of extreme sea levels along the coast of Bangladesh
  4. November 21: Research progress (Room A809)
    • Kousuke Ikeda: Understanding the habitat factors of an endangered species, Cambaroides japonicus and invasion status of alien species, Pacifastacus leniusculus, by using environmental DNA
    • Md. Khorshed Alam Tushar: Adult aquatic insects as sentinels of pollution effects on hyporheic food web
    • Gao Yiyang: Effects of a 100-year flood on flying Hymenoptera in riparian zones along a braided river
  5. December 5: Research progress
    • Mo Shixin: InSAR analysis of changing microtopography around thermokarst lakes in southern fringe of permafrost, Mongolia
    • Jia Yumeng
    • Zhang Xiaoli
  6. December 19: Research progress
    • Hokuto Izumi: Elucidation of the species identification and distribution history of the Anemia sp. in the Ishikari river basin floodplain lakes
    • Md. Khorshed Alam Tushar: Adult aquatic insects as sentinels of pollution effects on hyporheic food web
    • Kevin Ray E. Lucas: A sensitivity analysis of WRF parameterizations for offshore wind prediction in the Philippines


First semester
  1. April 12 (D103): Guidance
  2. April 26 (D103): Paper review
    • Ta Huu Chinh: Ling Z, Wang Y, Wang G. 2016. Impact of intraseasonal oscillations on the activity of tropical cyclones in summer over the South China Sea. Part I: Local tropical cyclones. Journal of Climate 30:
    • Hitoshi Kitaichi: Kitanishi S, Yamamoto T. 2015. Comparison of genetic structure between juvenile and adult masu salmon indicates relatively low reproductive success of dispersers. Environmental Biology of Fishes 98: 405-411
    • Sharmin Shishir: Newbold et al. 2015. Global effects of land use on local terrestrial biodiversity. Nature 520: 45-50
    • Mirza Tanvir: Kraus JM, Schmidt TS, Walters DM, Wanty RB, Zuellig RE, Wolf RE. 2014. Cross-ecosystem impacts of stream pollution reduce resource and contaminant flux to riparian food webs. Ecological Applications 24: 235j-243
  3. May 10 (D103): Paper review
  4. May 24 (D103): Paper review
  5. June 7 (D103): Paper review
  6. June 21 (D103): Paper review
  7. July 5 (D103): Paper review
  1. July 19 (D103): Paper review
  2. August 2 (D103): Paper review
Second semester
  1. October 5: Research progress
    • Ta Huu Chinh: Tropical cyclone activities over the western North Pacific during two ENSO phases simulated by an axis-symmetric hurricane model
    • Kazuki Miura: Time delayed extinction of freshwater pearl mussel and its mechanism
  2. October 25: Research progress (C204-2, room changed)
    • Aiko Hibino: Contribution of aquatic insect community derived from the gaps of water to riparian forest ecosystem on the Satsunai River
    • Mirza A.T.M Tanvir: Restoration of ecosystem from acid mine drainage
    • Sharmin Shishir: Spatio-temporal changes in the effects of disturbances induced by urban development on endangered ecosystems and landscapes
  3. November 8: Research progress
    • Hitoshi Kitaichi: Spatial variability in host suitability of freshwater pearl mussel
    • Shouwei Wang: Effects of 100 year flood on riparian arthropods-Interactions with eutrophication-
    • Di Wu: Evaluation of estimated winter season visibility in Hokkaido region
  4. November 22: Research progress
    • Zhao Xinxue: Interactive effects of tussock-formed and turfed sedges on the establishment of cohabitants
    • Zhou Lingling: The determinants on the migration of Phragmites australis grasslands in a post-mined peatland
  5. December 6: Research progress
    • Zhou Lingling: The determinants on the migration of Phragmites australis grasslands in a post-mined peatland
    • Ahsan Habib: Statistical analysis of propagating convective systems (PCSs) over and around Bangladesh
    • Khorshed Alam Tushar: Spatial variability in food web of hyporheic and benthic macro-invertebrates along a eutrophicated gravel-bed river
    • Daisetsu Itoh: Host-parasite specificity of freshwater pearl mussel Margaritifera togakushiensis
  6. December 20: Research progress
    • Anowarul Islam: Extreme sea levels and its relation with climatic variables along the coast of Bangladesh
    • Shixin Mo: InSAR analysis for thermokarst of southern fringe of Siberian permafrost, Mongolia
  7. January 10: Research progress
    • Zhang Xiaoli: Estimation of Thelypteris palustris growth in disturbed areas of Hokkaido
    • Jia YuMeng: The effects of Sphagnum transplantation on succession after peat-minting in Sarobetsu Mire
  8. January 24: Research progress
    • Iguchi Toshiyuki: The occurrence and cause of wind fallen trees caused by typhoon disturbance
    • Gao yun yang. Effect of flooding on Hymenoptera Community in Riparian Zones


First semester
  1. April 15 (D103): Guidance
  2. April 27 (D103): Paper review
    • Miura K (D1): William J.R, et al. 2014. Trophic cascades from wolves to grizzly bears in Yellowstone. Journal of Animal Ecology 83: 223-233
    • Ta Huu Chinh (D1): Camargo, S. J., et al. 2007. Seasonal tropical cyclone forecasts. WMO Bulletin 56: 297-309
  3. May 11 (D103): Paper review
    • Garrido Paolo: Morre JW, Schindler DE. 2010. Spawning salmon and the phenology of emergence in stream insects. Proceedings of the Royal Society of London B 277: 1695-1703
    • Hibino A: Bubb DH, et al. 2009. Relative impacts of native and non‐native crayfish on shelter use by an indigenous benthic fish. Aquatic Conservation: Marine and Freshwater Ecosystems 19: 448-455.
    • Abe N: Khishigjargal M, et al. 2013. Contrasting responses of seedling and sapling densities to livestock density in the Mongolian forest-steppe. Plant Ecology 214: 1391-1403
  4. May 25 (D103): Paper review
    • Song Y: Fukui D, et al. 2006. Effect of emergent aquatic insects on bat foraging in a riparian forest. Journal of Animal Ecology 75: 1252-1258.
    • Tamamoto M: Alistair WR, et al. 2016. Sensitivity of global terrestrial ecosystems to climate variability. Nature 531: 229-232.
    • Watanabe N: Paetzold A, et al. 2008. Riparian arthropod responses to flow regulation and river channelization. Journal of Applied Ecology 45: 894-903
  5. June 8 (D103): Paper review
    • Li Qiàn. Nishimura A, Tsuyuzaki S. 2014. Effects of water level via controlling water chemistry on revegetation pPatterns after peat mining. Wetlands 34: 117-127.
    • Xing Zhang: Tao Yun et al. 2015. The zonal movement of the Indian–East Asian summer monsoon interface in relation to the land–sea thermal contrast anomaly over East Asia. Climate Dynamics 46: 2759-2771
    • Radyan Putra Pradana: Tosca MG, et al. 2010. Do biomass burning aerosols intensify drought in equatorial Asia during El Niño?. Atmospheric Chemistry and Physics 10: 3515-3528.
  6. June 22 (D102): Paper review
    • Sharmin Shishir: Gautam KH, Nora ND. 2006. Ecological and anthropogenic niches of sal (Shorea robusta Gaertn. f.) forest and prospects for multiple-product forest management – a review. Forestry 79: 81-101
    • Zhou Lingling: Egawa, C, Tsuyuzaki S. 2013. The effects of litter accumulation through succession on seed bank formation for small-and large-seeded species. Journal of Vegetation Science 24: 1062-1073
  7. July 6 (D102): Paper review
    • Ou Syubi: Laeser SR, et al. 2005. Riparian vegetation loss, stream channelization, and web-weaving spiders in northern Japan. Ecological Research 20: 646-651
    • Zhao Xinxue. Egawa C, Tsuyuzaki S. 2011. Seedling establishment of late colonizer is facilitated by seedling and overstory of early colonizer in a post-mined peatland. Plant ecology 212: 369-381
    • Go Teki: Kawase H, et al. 2015. Future changes in winter precipitation around Japan projected by ensemble experiments using NHRCM. Journal of the Meteorological Society of Japan 93: 571-580
  8. July 20 (D102): Paper review
    • Kitaichi H (M1). Griffiths AM, et al. 2011. Restoration versus recolonisation: the origin of Atlantic salmon (Salmo salar L.) currently in the River Thames. Biological Conservation 144: 2733-2738
    • Zhu Mengling (M1). Vander ZM, et al. 2005. Primary consumer stable nitrogen isotopes as indicators of nutrient source. Environmental Science & Technology 39: 7509-7515
    • Itasaka N: Sejourne A., et al. 2011. Scalloped depressions and small-sized polygons in western Utopia Planitia, Mars: A new formation hypothesis. Planetary and Space Science 59: 412-422
Second semester
  1. October 12 (D103): Research progress
    • Zhu Mengling (M1): Effects of eutrophication on food chain length in floodplain lakes
    • Zhao XinXue (M1): Interactive effects of tussocks and Rhynchospora alba grass mats on the establishment of cohabitants
  2. October 26 (D103): Research progress
    • Garrido P (M1): Predicting the distribution of freshwater mussels in floodplain lake systems
    • Naoki I (M1): Quantitative comparison of the pingos in mars and earth
  3. November 9 (D103): Research progress / Paper review
    • Mirza A.T.M. Tanvir Rahman: Jung, Hun Bok, et al. 2015. Redox zonation and oscillation in the hyporheic zone of the Ganges-Brahmaputra-Meghna Delta: implications for the fate of groundwater arsenic during discharge. Applied Geochemistry 63: 647-660
    • Wu Di (M1): Snowfall and winter season visibility
    • Kitaichi Hitoshi (M1): Host compatibility of freshwater pearl mussel: population-level differences in mussel-fish relationships
  4. November 30 (D103): Research progress / Paper review
    • Ahsan SM Habib: Endo N, Matsumoto J, Hayashi T, Terao T, Murata F, Kiguchi M, Alam MS. 2015. Trends in precipitation characteristics in Bangladesh from 1950 to 2008. SOLA 11: 113-117
    • Wang Shouwei (M1): Effects of eutrophication on the riparian organisms -Focusing on the interaction between carabid beetles and spiders-
    • Radyan Putra Pradana (M1): Evaluation of 2015 El Nino episodes triggering biomass burning aerosols in equatorial Asia
  5. December 7 (D103): Research progress
    • Sharmin Shishir: Vegetation density altered by ongoing urbanization in Purbachal New Town, Bangladesh
    • Ta Huu Chinh: Seasonal tropical cyclone activity over the western north Pacific during Elnino and Lanina events simulated by axis-symmetric model
  6. December 21 (D103): Research progress / Rehearsal on master-course defense
    • Zhou Lingling (M1): The determinants on the migration of Phragmites australis grasslands in a post-mined peatland
    • Abe Namiko (D3): Change of tree growth by air pollution and climate change in the suburban area, Mongolia
    • Watanabe Nozomi (D3): The effects of in-stream geomorphology on energy supply in riparian zone of an alluvial river – Specifying the sources of aquatic subsidy –
  7. January 11 (D103): Rehearsal on master-course defense
    • Li Qian Akane (M2): Determinants on vegetation differentiation in a post-mined peatland in Sarobetsu Mire, northern Japan
    • Xing Zhang (M2): Seasonal variation of precipitation water sources over Indian and East Asian summer monsoon regions investigated by colored moisture analysis
  8. January 25 (D103): Rehearsal on master-course defense
    • Song Yuanyuan. Effects of hyporheic water upwelling on river and riparian ecosystems
    • Tamamoto Makoto. The relationship between global vegetation activity and meteorological factors in the past 34 years using satellite data


First semester
  1. April 15 (D103): Guidance
  2. April 22 (D103) Paper review
    • Erdenebat Enkhbat (D3). Marc Stefanon et al. 2014. Soil moisture-temperature feedbacks at meso-scale during summer heat waves over Western Europe. Climate Dynamics 42: 1309-1324
    • Abe N (D2). Hirano T, Morimoto K. 1999. Growth reduction of the Japanese black pine corresponding to an air pollution episode. Environmental Pollution 106: 5-12
  3. May 13 (D103) Rehearsalof mid-term presentation
    • Miura K. Knock-on effects of rare stream-species on terrestrial ecosystems - does Margaritifera species provide over-wintering habitats for Rana pirica?
    • Miyazaki N. The invasion patterns of Sphagnum mosses to Moliniopsis japonica grasslands in post-mined peatland
    • Badrun Nessa. Transfer of anthropogenic nutrients from river to land through food webs
  4. May 27 (D103) Research progress
    • Imai H. Assessing the effects of flash flood on insects in gravel bar in relation to changes in habitat selection and prey supply
    • Tanabe S. Multipoint air temperature monitoring of the mountains over the Hokkaido
    • Yamakoshi K. Assessment of renewable energy potential for abandoned farmlands in Hokkaido considering the seasonal output variation
    • Yin Yandong. The analysis of primary river channel change and reasons of that in Japan
  5. June 10 (D103) Small talk on hot research news, etc.
    • Staff members
  6. June 24 (D103) Paper review
    • Kwon TaeOh (D3). Yang K, Shi W and Zhu JJ. 2013. The impact of secondary forests conversion into larch plantations on soil chemicaland microbiological properties.Plant and soil 368: 535-546
    • Goshima H (M1). Aberga E U and Tapsell S. 2013. Revisiting the River Skerne: The long-term social benefits of river rehabilitation. 113: 94-103
    • Xing Zhang (M1). Wang B and Lin H. 2002. Rainy season of the Asian-Pacific Summer Monsoon. Journal of Climate 15: 386-398
  7. July 8 (D103) Paper review
    • Tamamoto M (M1): Pochanart P., Akimoto H., Kinjo Y., Tanimoto H.. 2002. Surface ozone at four remote island sites and the preliminary assessment of the exceedances of its critical level in Japan. Atmospheric Environment 36: 4235-4250
    • Li Q (M1): Nishimura A., Tsuyuzaki S., Haraguchi A. 2009. A chronosequence approach for detecting revegetation patterns after Sphagnum-peat mining, northern Japan. Ecological Research 24: 237-246
    • Hibino A (M1): Xu M. Z., Wang Z. Y., Pan B.Z., Zhao N. 2012. Distribution and species composition of macroinvertebrates in the hyporheic zone of bed sediment. International Journal of Sediment Research 27: 129-140
  8. July 22 (D103) Research progress
    • Goshima H (M1): Aberga EU, Tapsell S. 2013. Revisiting the River Skerne: The long-term social benefits of river rehabilitation. Landscape and Urban Planning 113: 94-103
    • Murai Y (M1): Schwalb AN, Morris TJ, Cottenie K. 2015. Dispersal abilities of riverine freshwater mussels influence metacommunity structure. Freshwater Biology 60: 911-921
    • Song Y (M1): Malison RL, Baxter CV. 2010. The fire pulse: wildfire stimulates flux of aquatic prey to terrestrial habitats driving increases in riparian consumers. Canadian Journal of Fisheries and Aquatic Sciences 67: 570-579
May 19: mid-term presentation
June 8: mid-term presentation
Second semester
  1. Oct. 7 (D103): Paper review
    • Watanabe N (D3). Merten EC, Snobl ZR, Wellnitz TA. 2014. Microhabitat influences on stream insect emergence. Aquatic Sciences 76: 165-172
    • Murai Y (M1). Schwalb AN, Morris TJ, Cottenie K. 2015. Dispersal abilities of riverine freshwater mussels influence metacommunity structure. Freshwater Biology 60: 911-921
  2. Oct. 21 (D103)
    • Murai Y (M1). Studies on unionida inhabiting in the floodplain of the Ishikari River
    • Song Y (M1). Cascading effects of spring water discharge on aquatic-riparian ecosystems in an alluvial fan
  3. Nov. 4 (D103)
    • Xing Z (M1). A research of precipitation change around east Asia monsoon area caused by global warming
    • Tamamoto M (M1). Impact of inter-annual variability of meteorological parameters on vegetation cctivity in Eurasia
    • Hibino A (M1). Knock-out effects of Plecoptera on terrestrial ecosystems on Satsunai River
  4. Nov. 18 (D103)
    • Li Q (M1). The succession and diversity fluctuation in plant communities after disturbance in a post-mined peatland
    • oshima H (M1). The study of immigration and diffusion of the Rosy bitterling (Rhodeus ocellatus ocellatus) in the floodplains along the lowland segment of the Ishikari River
  5. Dec. 2 (D103): Research progress
    • Abe N. Reconstruction of historical insect damage using anomaly tree ring (light ring) in the Mongolian forest
    • Erdenebat Enkhbat. Statistical and numerical study of hot extremes in Mongolia: possible contribution of soil moisture to the recent increase in heat waves
  6. Dec. 16 (D103): Research progress
    • Kwon TaeOh. Relationship between vegetation pattern and mycorrhizal symbiosis for N acquisition 85 years after catastrophic eruption on Mount Koma, Northern Japan
    • Watanabe N. The identification of location of aquatic resource supply and estimation of quantity of actual resource to land in braided river system
  7. Jan. 13 (D103): Rehearsal on master-course defense
    • Nessa B. Effects of eutrophication on food chain length in rivers and riparian zones
    • Miyazaki N. The invasion and establishment patterns of Sphagnum mosses on Moliniopsis japonica grasslands in the early stages of succession
  8. Jan. 20 (D103): Rehearsal on master-course defense
    • Tanabe S. Air temperature dynamics over the Hokkaido mountain based on the multipoint monitoring
    • Imai H. Effects of flash flood on arthropods in gravel bars : responses of their spatial distribution and function
  9. Jan. 27 (D103): Rehearsal on master-course defense
    • Miura K. River organism affects terrestrial ecosystem "Does pearl mussel create overwintering habitats for frog?"
    • Yin Y. Trends and causes of riverbed dynamics in primary rivers of Japan
    • Yamakoshi K. Assessment of renewable energy potential for abandoned farmlands in Hokkaido considering the spatiotemporal output variation

Staff members: Shiro Tsuyuzaki · Mamoru ISHIKAWA · Junjiro NEGISHI · Tomonori SATO (= Instructor in Charge in 2014)


First semester
  1. April 16 (D102): guidance
  2. April 30 (D102)
  3. May 14: Pre-Mid term presentation
    • Uemura F. Does a forestation on a riverbed alter the interactions between the forest and stream biota with special reference to riveerbed insects and their food resources
    • Tomosada T. A response of sugar content in sugar beet roots to increased warm-season temperature due to global warming
    • Fu K. Identification of strong factors in determining habitat for ducks in Ishikari River floodplain
  4. May 28: Pre-Mid term presentation
    • Matsubara I (M2): Estimation of the origin of groundwater and suggestion of the place for environmental education in Sapporo, Hokkaido
    • Enkhbat Erdenebat (D2): Lorenz R, Devin EL, Lawrence DM, Stockli R, Seneviratne SL. 2013. How important is vegetation phenology for European climate and heat waves. Journal of Climate 26: 10077-10100
  5. June 11: Paper review (D102)
    • Tanabe S (M1): Grab SW. 2013. Fine-scale variations of near-surface-temperature lapse rates in the high Drakensberg Escarpment, South Africa. environmental implications. Arctic, Antarctic, and Alpine Research 45: 500-514,
    • Miyazaki N (M1): Malson K, Backeus I, Rydin H. 2008. Long-term effects of drainage and initial effects of hydrological restoration on rich fen vegetation. Applied Vegetation Science 11: 99-106
    • Kwon T (D3): Finlay RD. 2008. Ecological aspects of mycorrhizal symbiosis: with special emphasis on the functional diversity of interactions involving the extraradical mycelium. Journal of Experimental Botany 59: 1115-1126
  6. June 25: Paper review (D102)
    • Takekawa H (M1): Fujisawa M, Kobayashi K. 2013. Shifting from apple to peach farming in Kazuno, northern Japan: perceptions of and responses to climatic and non-climatic impacts. Regional Environmental Change 13: 1211-1222
    • Tsuyuzaki S (D6): Permafrost and the ecology
  7. July 16: Paper review (D102)
    • Badrun Nessa (M1): Harding JS, Young RG, Hayes JW, Shearer KA, Stark JD. 1999. Changes in agricultural intensity and river health along a river continuum. Freshwater Biology 42: 345-357
    • Yamakoshi K (M1): Loarie SR, Lobell DB, Asner GP, Mu Q, Field CB. 2011. Direct impacts on local climate of sugar-cane expansion in Brazil. Nature Climate Change 1: 105-109
  8. July 23: Paper review (D102)
    • Imai H (M1): Bates AJ, Sadler JP, Fowles AP. 2006. Condition-dependent dispersal of a patchily distributed riparian ground beetle in response to disturbance. Oecologia 150: 50-60
    • Miura K (M1): Gurevitch J, Padilla DK. 2004. Are invasive species a major cause of extinctions? Trends in Ecology and Evolution 19: 470-474
    • Yandong Y (M1): Lytle DA, Poff NL. 2004. Adaptation to natural flow regimes. Trends in Ecology and Evolution 19: 94-100
Second semester
  1. Oct. 8 (D103): Research plan
    • Yin Yandong (M1): The analysis of primary river channel change in Japan: changes in the deepest parts on the river bed
    • Tanabe S (M1): Local difference of the temperature trend of the mountain area in Hokkaido, and the influence that they give in the tree line
    • Imai H (M1): Response of ground beetles for flooding due to dam discharge
    • Miura K (M1): Margaritifera spp. affect the vertebrate on land?
  2. Oct. 22 (D103): Research plan
    • Miyazaki N (M1): An invasion and establishment of Sphagnum moss to Molinia japonica grassland in a post-mined peatland
    • Yamakoshi K (M1): Estimates of life-cycle GHG emissions by utilizing abandoned farmland in Hokkaido
    • Badrun Nessa (M1): Nutrients subsidies from aquatic ecosystem to terrestrial ecosystem
  3. Nov. 5 (C202): Research progress
    • Fu K (M2): Identification of strong factors in determining habitat for ducks in Ishikari River floodplain
    • Toshinari T (M2): Analysis of sugar yield in sugar beet by using a multiple future climate data in Hokkaido
  4. Nov. 19 (D103): Research progress
    • Matsubara I (M2): Towards sustainable use of groundwater. The estimation of origin of groundwater and the creation of place for environmental education: Case study of Sapporo City, Hokkaido
    • Uemura F (M2): The linkage of forest and river maintained by riparian arthropods: testing the effects of vegetation expansion on gravel bars
  5. Dec. 3 (D103): Research progress
    • Abe N: Effects of insect defoliation on late wood in the Mongolian forest
    • Erdenebat Enkhbat: Long-term statistical analysis on hot days and heat wave in Mongolia
  6. Dec. 17 (D103): Research progress
    • Watanabe N: Effects of low temperature and heavy snow on stream ecosystem in winter
    • Kwon TaeOh: N status and mycorrhizal role in N transfer to woody plants on Mt. Koma, northern Japan
  7. Jan. 21 (D103): Rehearsal on master-course defense (schedule changed)
    • Uemura F. The linkage of forest and river maintained by riparian arthropods: testing the effects of vegetation expansion on gravel bars
    • Tomosada T. Sugar yield prediction in sugar beet produced in Hokkaido to uncertainty of increased temperature due to global warming
  8. Jan. 28 (D103): Rehearsal on master-course defense
    • Fu K. Migration stopover using and conservation prioritization of ducks in Ishikari River floodplain
    • Matsubara I. The estimation of origin of recharge and its application to an environmental education program - A case study towards sustainable use of groundwater in Sapporo,Hokkaido

Staff members: Shiro Tsuyuzaki · Mamoru ISHIKAWA · Tomonori SATO · Junjiro NEGISHI (= Instructor in Charge in 2013)


First semester
  1. April 10 (C202): Guidance
  2. April 24 (C202)
    • Avirmed Dashtseren: Genxu et al.(2012) The variability of soil thermal and hydrological dynamics with vegetation cover in a permafrost region. Agricultural and Forest Meteorology 162/163: 44-57
    • Kwon Taeoh: Hobbie EA, Hobbie JE. (2008) Natural abundance of 15N in nitrogen-limited forests and tundra can estimate nitrogen cycling through mycorrhizal fungi: a review. Ecosystems 11: 815-830
  3. May 15 (C202) Schedule changed
    • Appiah Catherine: Silverio et al.(2013) Testing the Amazon savannization hypothesis fire effects on invasion of a neotropical forest by native cerrado and exotic pasture grasses. Philosophical Transactions of the Royal Society Biological Sciences 368: doi:10.1098/rstb.2012.0427
    • Watanabe Nozomi: Winterbourn et al. (2008) Mayfly production in New Zealand glacial stream and the potential effect of climate change. Hydrobiologia 603: 211-219
  4. May 22 (C202)
    • Ono Chifumi: Addison et al. (2013) Do pasture user groups lead to improved rangeland condition in the Mongolian Gobi Desert. Journal of Arid Environments 94: 37-46
    • Enxhbat Erdenebat: Fischer & Seneviratne (2007) Soil moisture-atmosphere interactions during the 2003 European summer heat wave. American Meteorological Society 20: 5081-5099
  5. June 5 (C202)
    • Takagi Yuka: Atkinson et al.(2010) Stable isotopic signatures, tissue stoichiometry, and nutrient cycling (C and N) of native and invasive freshwater bivalves. Journal of the North American Benthological Society 29: 496-505
    • Yamahashi Iyo: Lamelas et al.(2008) Doline probability map using logistic regression and GIS technology in the central Ebro Basin (Spain). Environmental Geology 54:963-977
  6. June 19 (C202)
    • Harisoa Rakotonoely:
      Makoto et al.(2012) Contribution of charcoal to short-term nutrient dynamics after surface fire in the humus layer of a dwarf bamboo-dominated forest. Biology and Fertility of Soils 48: 569-577
      Ishii et al.(2008) Removal of understory dwarf bamboo (Sasa kurilensis) induces changes in water-relations characteristics of overstory Betula ermanii trees. Journal of Forest Research 13: 101-109
    • Uemura Fumihiko: Achim et al.(2005) Aquatic terrestrial linkages along a braided-river: riparian arthropods feeding on aquatic insects. Ecosystems 8: 745-759
    • Tomosada Toshinari: Adachi and Kimura (2012) Comparison of the impact of global climate changes and urbanization on summertime future climate in the Tokyo metropolitan area. Journal of Applied Meteorology and Climatology 51:1441-1454.
  1. July 3 (C202)
    • Kaneko Shogo: Morino et al.(2011) Atmospheric behavior, deposition, and budget of radioactive materials from the Fukushima Daiichi nuclear power plant in March 2011. Geophysical Research Letters 38: L00G11, doi: 10.1029/2011GL048689
    • Fu Kaki: Elphick and Oring (1998) Winter management of Californian rice fields for waterbirds. Journal of Applied Ecology 35: 95-108
  2. July 17 (C202): Research plans of 1st grade in master course
    • Tomosada Toshinari
Second semester
  1. October 16 (D103): Research plans of 1st grade in master course
    • Fu Kaki
    • Uemura
  2. October 30 (D103): Research progresses
    • Kaneko Shogo: A meteorological study to assess the diffusion of radioactive materials from the Tomari nuclear power plant
    • Harisoa Rakotonoely: Annual fluctuations of soil nutrients and growth of white birch trees after fire
  3. November 13 (D103): Research progresses
    • Takagi Yuka: Clarifying ecological functions of Margaritifera laevis on different riverbed sediments and the estimation of potential habitats
    • Yamahashi Iyo: Mapping of presence probability of permafrost in Mongol
  4. December 4 (D103): Research plans in doctoral course
    • Watanabe Nozomi: Understanding of ecological function of ice-cover in mid-winter streams
    • Enxhbat Erdenebat: Statistical analysis on hot days and summer heat wave in Mongolia
  5. December 18 (D103): Research plans in doctoral course
    • Kwon TaeOh: Nitrogen status of Salix reinii and Larix kaempferi in relation to mycorrhizal N transfer on Mt. Koma, northern Japan
    • Avirmed Dashtseren: The effect of vegetation cover on the ground temperature and solar radiation distribution in areas of permafrost and seasonal frozen ground at the mosaic transitional zone in Mongolia
  6. January 8 (D103): Rehearsals on master-course defense
    • Kaneko Shogo: 泊原子力発電所を対象にした季節毎の放射性物質の拡散予測分布図の作成
    • Takagi Yuka: 異なる河床底質における カワシンジュガイ属の生態的機能の解明
  7. January 22 (D103): Rehearsals on master-course defense
    • Yamahashi Iyo: 不連続永久凍土帯モンゴルにおける永久凍土分布を決定する地理的要因の確率 手法による解析
    • Harisoa Rakotonoely: The recovery processes after an experimental forest fire: growth of Betula platyphylla var. japonica and soil characteristics

Staff members: Shiro Tsuyuzaki · Mamoru ISHIKAWA · Tomonori SATO · Junjiro NEGISHI · Shin MIYAZAKI


First semester
  1. April 11 (D101): Guidance
  2. April 25 (D101)
    • Mori Keisuke: Takane Y, Kusaka H (2011) Formation mechanism of the extreme surface air temperature of 40.9C observed in the Tokyo metropolitan area: Considerations of dynamic foehn and foehn-like wind. J. Appl. Meteor. Clim., 50,1827-1841
    • Ono Chifumi: Batkhishig B, Oyuntulkhuur B, Altanzul T, Fernandez-Gimenez ME (2012) A Case Study of Community-Based Rangeland Management in Jinst Soum, Mongolia. In: Restoring Community Connections To The Land. p113-135
    • Appiah Catherine: Ellison et al. (2005) Loss of foundation species: consequences for the structure and dynamics of forested ecosystems. Frontiers in Ecology and the Environment 3, 479-486
  3. May 9 (C202): 16:30-18:00 (The time/room are changed, due to a disaster drill)
    • Egawa Chika: Richardson PJ, MacDougall AS, Larson W. (in press) Fine-scale spatial heterogeneity and incoming seed diversity additively determine plant establishment. J. Ecol.
    • Hoyo Yuri: Ellison AM, Adamec L. (2011) Ecophysiological traits of terrestrial and aquatic carnivorous plants: are the costs and benefits the same? Oikos 120: 1721-1731
    • Dashtseren Avirmed: Yao J et al. (2011) The surface energy budget in the permafrost region of the Tibetan Plateau. Atmospheric Res. 102: 394-407
  4. May 23 (D101): 13:00-14:30
    • Kwon TaeOh: Simard SW, et al.(2012) Mycorrhizal networks: Mechanisms, ecology and modelling. Fungal Biol. Rev. 26: 39-60
    • Rakotonoely Harisoa: Kim (2011) Greenhouse gas emissions after a prescribed fire in white birch-dwarf bamboo stands in northern Japan, focusing on the role of charcoal. Eur J Forest Res. 130:1031-1044
  5. June 6 (C202)
    • Hojo Ai: Yamada T., et al. 2001. Architectural and allometric differences among Scaphium species are related to microhabitat preferences. Functional Ecology 14: 731-737
    • Abe Namiko: Ryerson DE, Swetnam TW, Lynch AM. 2003. A tree-ring reconstruction of western spruce budworm outbreaks in the San Juan Mountains,Colorado, U.S.A. Canadian Journal of Forest Research 33: 1010-1028
    • Kitagawa Natsuki: Miranda LE. 2005. Fish assemblages in Oxbow Lakes relative to connectivity with the Mississippi River. Transactions of the American Fisheries Society. 134: 1480-1489 Canceled due to sick
  6. June 20 (D101)
    • Murayama Shota: Sepulveda RB, Nieuwenhuyse A. 2011. Influence of topographic and edaphic factors on vulnerability to soil degradation due to cattle grazing in humid tropical mountains in northern Honduras. Catena 86: 130-137
    • Watanabee Nozomi: Heino J. 2011. A macroecological perspective of diversity patterns in the freshwater realm. Freshwater Biology 56: 1703-1722
    • Yoshizaki Kunihiro: Franklin KL, et al. 1995. Downstream ecological effects of dams: a geomorphic perspective. Bioscience 45:183-192
Second semester
  • June 4 (D101)
    • Kaneko Shogo: Tarmo V, et al. 2004. Modeling the location of the forest line in northeast European Russia with remotely sensed vegetation and GIS-based climate and terrain data. Arctic, Antarctic, and Alpine Research 36 : 314-322
    • Yamahashi Iyo: Yasunari et al. 2011. Cesium-137 deposition and contamination of Japanese soils due to the Fukushima nuclear accident. Proceedings of the National Academy of Sciences of the United States of America 108 : 19530-19534
  • July 25 (D101) Schedule changed
    • Takagi Yuka: Terui A, et al. 2011. Factors affecting the local occurrence of the near-threatened bitterling (Tanakia lanceolata) in agricultural canal networks: strong attachment to its potential host mussels. Hydrobiologia 675: 19-28
    • Kitagawa Natsuki: Miranda LE. 2005. Fish assemblages in oxbow lakes relative to connectivity with the Mississippi River. Transactions of the American Fisheries Society 134 : 1480-1489
    • Watanabe Nozomi: Costa SS, Melo AS. 2008. Beta diversity in stream macroinvertebrate assemblages: among-site and among-microhabitat components. Hydrobiologia 598: 131-138
Progress reports presented by students in master course
  • October 17 (D101)
    Kaneko S, Yamahashi I, and Rakotonoely H
  • October 24 (D101)
    Takagi Y. Estimate of the potentiality habitat of freshwater mussel (Margaritifera laevis).
    Aoki K. The influence of the riverbed degradation on the habitat of the mayfly (Ephoron shigae) in the middle Kiso River.
    Morisaki N. The effcts of groundwater on the spatial distribution of the salmon redd.
  • November 7 (D101)
    Abe N. The reconstruction of insect-damage history in the Mongolian larch forest -dendrochronological analysis-
    Tamaoki H. Influence of canal connectivity on the distribution of unionoid mussels
    Watanabe N. Understanding mechanisms that maintain watershed-scale beta-diversity: community structures of aquatic insects and the importance of spring-fed streams
  • November 14 (D101)
    Murayama S. Actual situation of land degradation on vehicle tracks in Mongolian steppe
    Yoshizaki K.Downstream ecological effects of sabo dams
    Hojo A. Morphological adaptation of Kashiwa tree seedlings to various light environments
Progress reports presented by students in doctoral course
  • December 5 (D101)
    Kwon TO. Effects of Salixreinii on Larix kaempferi seedling growth and nutrient transfer through common mycorrhizal networks(CMNs) on the Volcano Mt. Koma, northern Japan
    Egawa C. No decided yet
  • December 19 (D101)
    Hoyo Yuri. Different responses to light and water on early life stage segregate the microhabitat distribution of Drosera anglica and D. rotundifolia
    Ono Chifumi. Changing pastoral society and the pasture use in Post socialist Mongolia
Rehearsal for the oral presentation of master theses
  • January 9 (D101). Hojo, Abe, Tamaoki and Watanabe
  • January 23 (D103). Murayama, Yoshizaki, Aoki and Morisaki

Date and hour (Room)


April 13, 13:00- (D101)
April 27, 13:00- (D101)
  • Tamaoki Hiroyuki, and others (self-introduction)
  • Saruulzaya Adiya: : Lake changes from 1962 to 2008 in the eastern fringe of the Siberian permafrost zones over Mongolia
May 11, 13:00- (D101)
  • Shinohara Toru: Habitat suitability index (HSI) and habitat preference on Hynobius retardatus
  • Ono Chifumi: The effects of the decision-making of pastoral people on landuse in Mongol - research plan -
May 25, 13:00- (D101)
  • Yoshida Tomoaki: Forest regeneration after the abondonment of skislope
  • Altangerel Batbold: Impacts of land surface change on summer precipitation over central Mongolia using regional climate model
June 8, 13:00- (D101)
  • Hiroyuki Tamaoki: The limiting factors of habitat for Unionoida in the canal
  • Yuri Hoyo: Factors restricting the distribution of Drosera anglica in relation to microhabitat
June 22, 13:00- (D101)
  • Tamaru Junya: A study on formation mechanism of the ice segregation on Keiskea japonica
  • Mohammed Rezaul Karim: Climatic influence on winter rice production in Bangladesh with implication to future projection: A modeling approach by ORYZA2000
July 6, 13:00- (D101)
  • Mori Keisuke: Spatio-temporal analysis of sudden warming in Northern Japan
  • Appiah Catherine: Ash effects on seed germination of Pearl millet (Panicum miliaceum L.), California Black-eye Peas, (Vigna unguiculata (L.) Walp) & Egusi (Colocynthis citrullus L.)
September 7, 13:00- (D101)
  • Egawa Chika: Litter controls the movement and dormancy of dispersed seeds in a post-mined peatland
  • Sato Tomonori: A possible influence of Okhotsk sea ice to regional climate in Hokkaido -Preliminary results-
October 5, 13:00- (D103)
  • Discussion on the research plans of master course freshmen (entered in April)
    Kajimoto Kazuya: Relation between population of Pacifastacus leniusculus and fluvial geomorphlosy - towoards efficent eradication of alien species-
    Hojo Ai: Conservation of rare species in Zenibako
    Abe Namiko: Generating factors of pest damage to forests in Monglia
    Morisaki Natsuki: The influences of ground water from difference sources on quality of Oncorhynchus keta's spawning bed
October 19, 13:00- (D103)
  • Discussion on the research plans of master course freshmen (entered in April)
    • Kitagawa Natsuki: Evaluation on connectivity among oxbow lakes in Ishkari River by the DNA polymorphic marker of "Ugui"(Tribolondon hakonensis)
    • Murayama Shota: The effects of non-paves road where is in different slope on vegetation and soil-Central Mongolian steppe-
    • Yoshizaki Masahiro: Reassessing impacts of Sabo dams on ecosystems: Refuge function during intensive disturbances
    • Watanabe Nozomi: Understanding mechanisms that maintain watershed-level Beta-diversity: community stractures of aquatic insects and importance of spring-fed streams
November 2, 13:00- (D103)
  • Research progress of the 2nd grade students in master course
    Sakai Takahiro: Internal structure and morphlogy of pingos in Mongolia
    Yoshida Tomoaki: Forest regeneration on an abandoned skislope
November 16, 13:00- (D103)
  • Research progress of the 2nd grade students in master course
    Abe Keita: An estimation of impact of climate changes on Ishikari River runoff by regional climate models and hydrological modeling
    Tamaru Jyunya: A study on formation mechanism of the ice segregation on Keiskea japonica
    Saimyou Tuyoshi: Temporal changes in geomorphic features and current condition of riverbed in a dam river: dominant substrate type mediates responses
November 25, 15:00- (Centennial Hall)

Mid-term presentation (poster session)

December 7 (D103)
  • Negishi Junjiro
  • Avirmed Dashtseren
December 21, 16:30- (D101)
  • Course seminar

This seminar is closed at the day. Instead of that, attand the course seminar.

January 25, 13:00- (D103)

Presentation and discussion of master thesies

  • Tamaru Junya. Formation of ice flower from Keiskea japonica, Change in internal structure of the vegetation and weather conditions
  • Saimyou Tuyoshi: Examining the effects of dams on river-bed envrionments - focusing on river-bed materials -
  • Yoshida P. Tomoaki. Establishment patterns of native and non-native trees on an abandoned skislope
February 1, 13:00- (D103)

Presentation and discussion of master thesies

  • Mori Keisuke. Spatiotemporal analysis of the characteristics of sudden warming in Hokkaido
  • Sakai Takahiro. Distribution, morphology and internal Structure of Pingos in Mongolia
  • Abe Keita. Analysis of a possible impact of global warming on Ishikari River runoff by sensitivity experiments using a hydrological model

Note that the seminar will be held weekly.

Februaray 22, 13:00- (D103). The last seminar in this term

Presentation by staff members
Discussion about the seminar in the next term