Zooplankton in Lake Geneva, the essential link in the trophic chain.

被引:0
|
作者
Balvay, G [1 ]
机构
[1] INRA, Stn Hydrobiol Lacustre, F-74203 Thonon Les Bains, France
来源
ARCHIVES DES SCIENCES | 1998年 / 51卷 / 01期
关键词
zooplankton; trophic chain; eutrophication; long-term changes;
D O I
暂无
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Zooplankton abundance fluctuates according to the availability of phytoplanktonic resources which depend of the nutrient content. The evolution of zooplankton abundance, expressed as settled zooplankton, has followed trophic level changes of Lake Geneva. The current improvement phase in Lake Geneva exhibits an unsteadiness identical to the one observed from 1963 to 1969, however lasting since 8 years.
引用
收藏
页码:45 / 54
页数:10
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