科学的調査021

東京大学三方湖実習

感想

はす川（田名橋付近）

聞き取り内容

＜環境の特徴＞
農業用水の流れ込みあり、片側は護岸、もう一方はツルヨシが優占
・水深：0.3m
・底質：砂と礫

＜採集方法＞
タモ網、投網

＜生物相＞
アユ、トウヨシノボリ、ヌマチチブ、ウキゴリ、テナガエビ、タモロコ、オイカワ、ゴクラクハゼ

＜コメント＞
・下流部に比べ川底の岩が大きくなったため、それらを隠れ場所とするゴクラクハゼ、ヌマチチブ、トウヨシノボリなどの淡水のハゼ科の魚が多く見られた。
関連記事：科学的調査026

地図を読み込み中...

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