Individual variation in the swimming performance of fishes: An overlooked source of variation in toxicity studies

被引：48

作者：

Kolok, AS

Plaisance, EP

Abdelghani, A

机构：

[1] Nicholls State Univ, Dept Biol Sci, Thibodaux, LA 70310 USA

[2] Tulane Univ Publ Hlth & Trop Med, Dept Environm Hlth Sci, New Orleans, LA 70112 USA

[3] Tulane Xavier Ctr Bioenvironm Res, New Orleans, LA 70112 USA

来源：

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 1998年 / 17卷 / 02期

关键词：

performance repeatability; swimming performance; sediment contamination; heavy metals;

D O I：

10.1002/etc.5620170221

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A commonly used indicator of sublethal stress in fish is impaired swimming performance. Analysis of performance data usually employs a simple comparison, in which the mean of a stressed group of fish is compared to that of a control group. Although such a comparison is satisfactory in many cases, a comparison emphasizing individual variation in performance can yield valuable information unattainable by a means comparison. In this experiment, we determined critical swimming speeds of subadult male fathead minnows before and after exposure to contaminated sediments from Devil's Swamp, Louisiana, USA. The data were then analyzed using a means comparison and an individual approach to illustrate the differences in explanatory power between the two approaches.

引用

页码：282 / 285

页数：4

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