…The dinoflagellate Ceratium hirundinella is distributed throughout Japan and the world, but only those found in Lake Biwa have a different morphology. The water flea Daphnia biwaensis is an endemic species, and like the Honmoroko, it evolved in Lake Biwa from D. pulex , which is widely distributed in the coastal zone in order to utilize the wide offshore area. In this way, Lake Biwa is, so to speak, an exhibition ground for biological evolution. … *Some of the terminology that mentions "Daphnia biwaensis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…渦鞭毛藻類のCeratium hirundinellaは日本や世界の各地に分布するが,琵琶湖のものだけが形態を異にする。ミジンコのDaphnia biwaensisは固有種で,ホンモロコなどと同様に,広い沖帯を利用すべく沿岸帯に広く分布するD.pulexから,琵琶湖で分化したものである。 このように琵琶湖は,生物進化のいわば展覧会場である。… ※「Daphnia biwaensis」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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