Food quality effects on copepod growth and development: Implications for bioassays in ecotoxicological testing

被引：32

作者：

Dahl, Ulrika ^{[1
]}

Lind, Charlotta Rubio ^{[1
]}

Gorokhova, Elena ^{[2
]}

Eklund, Britta ^{[1
]}

Breitholtz, Magnus ^{[1
]}

机构：

[1] Stockholm Univ, Dept Appl Environm Sci ITM, S-10691 Stockholm, Sweden

[2] Stockholm Univ, Dept Syst Ecol, S-10691 Stockholm, Sweden

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2009年 / 72卷 / 02期

关键词：

Nitocra spinipes; Growth rate; RNA content; Survival; Reproduction; Development; FATTY-ACID-COMPOSITION; MARINE FISH LARVAE; HARPACTICOID COPEPOD; NITOCRA-SPINIPES; ACARTIA-TONSA; TEMORA-STYLIFERA; EGG-PRODUCTION; LIVE FOOD; TOXICITY; REPRODUCTION;

D O I：

10.1016/j.ecoenv.2008.04.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We evaluated effects of six algal species in 25 combinations on growth and reproduction of the harpacticoid copepod Nitocra spinipes. In the first lifecycle test, Rhodomonas salina, Phaeodactylum tricornutum, and Dunaliella tertiolecta were used. The results showed that R. salina was the best food, whereas P. tricornutum (0% development success) and D. tertiolecta (41.7% malformations) were poor food items. in the second lifecycle test, a mixture of R. salina, Tetraselmis suecica, and Thalassiosira weisflogii (selected from screening tests) was tested together with a mono-diet of R. salina. Also in this test, copepods fed R. salina performed better (i.e. had higher survival and reproductive success) compared with the other treatment. We conclude that R. salina is appropriate to use as food in toxicity testing with N. spinipes, whereas some of the algae commonly used as feed in ecotoxicological tests with other copepods had detrimental effects on the development, reproduction, and survival of N. spinipes. (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：351 / 357

页数：7

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