科学的調査038

東京大学三方湖実習

感想

高瀬川（ゲートボール場横）

聞き取り内容

＜環境の特徴＞
・優占する植生：アオミドロ、ミゾソバ
・水深：約0.20m
・水温：24.6℃
・底質：礫質

＜採集方法＞
タモ網、投網

＜生物相＞
アブラハヤ、トウヨシノボリ、ウキゴリ、ヌマチチブ、タモロコ、カワムツ、アユ、サワガニ

＜コメント＞
堰があった。排水路の直下でアオミドロと魚類が多かった。水底が泥じゃないので、下流に比べてドジョウにとっては住みにくい環境？藻類はアブラハヤのえさに。

関連記事：絵画566,科学的調査042

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