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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 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 ]



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

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


Date/Time: April 12 (Wed), 14:45-
Room: D103, Graduate school of Environmental Science


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.

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

First semester / Date (Room)Second 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
    • Pradana
    • Mengling Zhu
    • Paolo Garrido
    • Kazuki Miura
  4. May 24 (D103): Paper review
    • Aiko Hibino
    • Hirochika Goshima
    • Di Wu
  5. June 7 (D103): Paper review
    • Zhou Lingling
    • Zhao Xinxue
    • Naoki Itasaka
    • Shouwei Wang
  6. June 21 (D103): Paper review
    • Daisetsu Itoh
    • Masiliso Phiri
    • Khorshed Alam Tushar
    • Ahsan Habib
  7. July 5 (D103): Paper review
    • コウゲイヨウ
    • Anowarul Islam
    • Toshiyuki Igushi
  8. July 19 (D103): Paper review
    • カウホウ
    • チョウジョウリ
    • バクシシン


First semester / Date (Room) Second 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
  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 / Date (Room) Second 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
  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 / Date (Room) Second 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
  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 / Date (Room) Second 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.
  7. 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
  8. July 17 (C202): Research plans of 1st grade in master course
    • Tomosada Toshinari
  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 / Date (Room) Second 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
  5. June 6 (C202)
  6. June 20 (D101)
  1. June 4 (D101)
  2. July 25 (D101) Schedule changed
Progress reports presented by students in master course
  1. October 17 (D101)
    Kaneko S, Yamahashi I, and Rakotonoely H
  2. 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.
  3. 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
  4. 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
  1. 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
  2. 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
  1. January 9 (D101). Hojo, Abe, Tamaoki and Watanabe
  2. 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 habiat 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