Seasonal changes of the distributions of brackish Polychaetes in Lake Shinji, Japan.
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概要
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To examine the polychaete fauna of Lake Shinji, an oligohaline and mesohaline brackish lake, quantitative sampling was carried out three times within a period of sixteen months. Some environmental factors including the chlorinity of the bottom water were measured at the same time. Throughout three samplings, three species of previously reported brackish forms (<I>Prionospio japonica, Notomastus</I> sp., <I>Neanthes japonica</I>) and an undefined species (<I>Potamilla</I> sp.) were always observed. Total numbers of species were seven in summer 1982 with 248 sampling stations and seven and six in spring and autumn 1983, respectively, with 62 sampling stations. The relationship between the densities or distributions of polychaetes and observed environmental factors could not be explained.
- 日本陸水学会の論文
日本陸水学会 | 論文
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