…For this reason, fertilization has been practiced since ancient times in fish farms for carp and goldfish, artificially breeding large numbers of water fleas and allowing them to multiply. In lakes and ponds in northern regions, it is known that certain morphological changes are observed in species such as Daphnia and Bosmina depending on the season. This is called cyclomorphism. … *Some of the terminology that mentions "Bosmina" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そのためコイやキンギョなどの養魚池では,昔から施肥を行い,人工的にミジンコを多量に発生させ,繁殖させている。北方の地にある湖沼では,ミジンコDaphnia,ゾウミジンコBosminaなどには,季節によって一定の形態変化が見られることが知られている。これを形態輪廻(季節変異)cyclomorphosisという。… ※「Bosmina」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 |
<<: Bosmina coregoni (English spelling)
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