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(Upload on October 19 2017) [ 日本語 | English ]

Wetland ecology (湿原生態学)






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

• Chief instructor: Negishi J

This section is a part of "Advanced course in watershed environmental science"
Syllabus
  1. Structure (構造)
  2. Function (機能)
  3. Spatial distribution (空間分布)
  1. Succession (遷移)
  2. Conservation (保全)
  3. Restoration (復元)

October 12
Introduciton
Researches in wetlands (湿原研究)
Sarobetsu mire (サロベツ湿原)
Indicator species

Alnus japonica (Thunberg) Steud.
Fraxinus mandshurica Rupr.
Ulmus davidiana Planch. var. japonica (Rehder) Nakai
willows (ヤナギ類)
Phragmites australis (Cavanilles) Trinius ex Steudel (ヨシ)

Structure and function of wetlands

Function ⇔ Structure

Classification of wetlands

Wetlands
Bog
Fen
Marsh
Swamp
Shallow open water

Bog-fen complex
Hollow-hummock complex (Tsuyuzaki 2006)

Tephratrophic mire (Wolejko & Ito 1986)

Peat
October 18
Soil type (土壌)

Soil formation processes (土壌形成過程)
Acid brown forest soil
Andosol
Gley soil and pseudo-gley soil
Podzol
Distribution of soil types

Disturbance (撹乱)
Flooding
Tussock (谷地坊主) Water level
Resilience of ecosystems
Succession after peat-mining
October 19
Scale-dependent environmental factors
Seedbank

Wetlands
Seedbank in a marsh
Post-mined peatland
Transient seedbank
Persistent seedbank

Determinants on seedling growth
Conservation

Carnivorous plants
Drosera anglica
Seed and vegetative reproduction
Recruitment and survival
Push-out effect (Hoyo & Tsuyuzaki 2014)

Eutrophication
Methane
Ecological services
Restoration
Report

The references will be provided in the lecture
Recommendation to read: Keddy 2010

Reporting assignment (レポート課題)


The announcement is shown in the following webpage:

http://hosho.ees.hokudai.ac.jp/~tsuyu/top/lecture/we.html In this term (third term, 2017), your scores are graded based on the reports. The reporting assignment is described below.

(1) Select one reference paper related to wetland and/or watershed conservation. 湿原そしてあるいは流域の保全に関する論文を1本選びなさい

(2) Summarize the papers within 400 Japanese letters or 1,000 English words. Then, write your opinion(s) on the selected paper. その論文を日本語なら400文字、英語なら1000語以内でまとめなさい。ついで、その選んだ論文に対するあなたの見解を書きなさい。

(3) Submit the reports using e-mail (read "how to submit the reports" carefully before the submission) メールでレポートを提出しなさい (提出前に「試験・レポートの書式・提出方法」をよく読むこと):

English page: http://hosho.ees.hokudai.ac.jp/~tsuyu/top/lecture/report.html
日本語ページ: http://hosho.ees.hokudai.ac.jp/~tsuyu/top/lecture/report-j.html

The deadline is: December 20 2016
締切2016年12月20日
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