...Three modifications which have especially affected streams have beenagricultural use, urbanization, and industrialization...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
...The effects of urbanization are more tangible and better recognized thanthose of agricultural land-use...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
...Another effect of urbanization has been increasedloads of sewage discharged into the streams...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
便利!手書き漢字入力検索
この漢字は何でしょう??