科学的調査037

東京大学三方湖実習

感想

高瀬川

聞き取り内容

＜環境の特徴＞
・優占する植生：ミゾソバ
・水深：0.15〜0.20m
・水温：24.2℃
・底質：礫質
・護岸形状：両側コンクリート舗装

＜採集方法＞
タモ網?、投網

＜生物相＞
トウヨシノボリ、ヌマチチブ、シマドジョウ、ドジョウ、アユ、タモロコ、カワゲラ、ヤゴ、サワガニ、テナガエビ、スジエビ、ツチガエルオタマジャクシ

＜コメント＞
この地点よりやや下流でモロコ、フナを食べていたと記録があった。タモロコが現在もいた。下流よりも礫が多くなったので、岩の下に隠れる生物が下流より多くなったのではないか。

関連記事：科学的調査041

地図を読み込み中...

{"type":"ROADMAP","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"mappingservice":"googlemaps3","width":"500px","height":"350px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"visitedicon":"","wmsoverlay":false,"zoom":12,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"cluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","fullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"","title":"","link":"","lat":35.54793055999999751293216831982135772705078125,"lon":135.88923610000000508080120198428630828857421875,"icon":""}]}