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Alexa 彙整 - 十四山村日本語塾
2020-09-15

富士五湖之最-本栖胡

湖水的透明度在《理科年錶》平成24年85冊中採用了11.2m。因季節變化,最小值是浮游生物新增的7月,最大值是9月,根據進行調查的時期和組織的不同顯示出不同的值。但是,如果條件好的話,可以觀測到超過20米的透明度,在本州是實質上最高透明度的湖,但是隨著營養鹽類的新增,透明度下降。