Structure of macrozoobenthos in the Gorky Reservoir at the beginning of XXI century

被引:3
|
作者
Perova, S. N. [1 ]
机构
[1] Russian Acad Sci, Inst Biol Inland Waters, Nekouzskii Raion 152742, Yaroslavl Oblas, Russia
关键词
macrozoobenthos; deepwater zone; taxonomic; trophic and quantitative structures; abundance; biomass;
D O I
10.1134/S1995082910020069
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
The taxonomic, trophic, and quantitative structures of the macrozoobenthos in the deepwater part of the Gorky Reservoir were studied in autumn 2005. A total of 51 species of bottom macroinvertebrates were revealed, most of which were represented by chironomids, oligochaetes, and mollusks. The detriti-vores-swallowers dominated in number; phytodetritivores-filtrators + gatherers dominated in biomass. An analysis of the long-term dynamics of the macrozoob enthos structure in the Gorky Reservoir revealed that the average abundance and biomass decreased at the beginning of the XXI century.
引用
收藏
页码:142 / 148
页数:7
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