...In contrast, in lakes in the plains where phytoplankton production is high, the deep water has low oxygen content, and benthic animals such as midges that have hemoglobin and can tolerate low-oxygen environments dominate. Based on this close relationship between plant production, the amount of oxygen in the deep water, and the species composition of benthic animals, the German Thienemann classified the lakes into two types, the former as Tanitharsus type (the name of the indicative benthic animals) and the latter as Chironomas type. *Some of the terminology that refers to the "Kilonomas Type" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これに対し,平野部の植物プランクトンの生産の高い湖では,深層水は酸素量が少なく,オオユスリカなどのヘモグロビンをもち低酸素環境に耐えられる底生動物が優占している。ドイツのティーネマンは,このように植物の生産と深層水中の酸素量,底生動物の種構成の間に密接な支配関係があることから,前者の湖をタニタルサス型(指標となる底生動物名),後者をキロノマス型として,湖を二つの型に分けた。 ※「キロノマス型」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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