EFFECTS OF THE CONCENTRATIONS OF TOXIC MICROCYSTIS-AERUGINOSA AND AN ALTERNATIVE FOOD ON THE SURVIVAL OF DAPHNIA-PULEX

被引：89

作者：

REINIKAINEN, M ^{[1
]}

KETOLA, M ^{[1
]}

WALLS, M ^{[1
]}

机构：

[1] ABO AKAD UNIV,DEPT BIOL,SF-205210 TURKU,FINLAND

来源：

LIMNOLOGY AND OCEANOGRAPHY | 1994年 / 39卷 / 02期

关键词：

D O I：

10.4319/lo.1994.39.2.0424

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We investigated the effect of the cyanobacterium Microcystis aeruginosa (strain PCC7820) on the survival of juvenile and adult Daphnia pulex (Cladocera) in different food concentrations (the green alga Scenedesmus obtusiusculus). M. aeruginosa reduced survival in D. pulex. The peptide toxin microcystin-LR is present in this strain of M. aeruginosa. The toxic effect decreased with increasing concentrations of S. obtusiusculus. Juvenile D. pulex generally died faster than adults at high concentrations of cyanobacteria. However. juvenile D. pulex did better than adults at the lowest concentration of S. obtusiusculus.

引用

页码：424 / 432

页数：9

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