Environmental conditions enhance toxicant effects in larvae of the ground beetle Pterostichus oblongopunctatus (Coleoptera: Carabidae)

被引：20

作者：

Bednarska, Agnieszka J. ^{[1
]}

Laskowski, Ryszard ^{[1
]}

机构：

[1] Jagiellonian Univ, Inst Environ Sci, Gronostajowa, Krakow, Poland

来源：

ENVIRONMENTAL POLLUTION | 2009年 / 157卷 / 05期

关键词：

multiple interactions; Pterostichus oblongopunctatus; Metals; Pesticides; Temperature;

D O I：

10.1016/j.envpol.2008.12.027

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The wide geographical distribution of ground beetles Pterostichus oblongopunctatus makes them very likely to be exposed to several environmental stressors at the same time. These could include both climatic stress and exposure to chemicals. Our previous studies demonstrated that the combined effect of nickel (Ni) and chlorpyrifos (CHP) was temperature (T)-dependent in adult P-oblongopunctatus. Frequently the different developmental stages of an organism are differently sensitive to single stressors, and for a number of reasons, such as differences in exposure routes, their interactions may also take different forms. Because of this, we studied the effects of the same factors on the beetle larvae. The results showed that all factors, as well as their interactions, influenced larvae survival. The synergistic effect of Ni and CPF was temperature-dependent and the effect of Ni x T interaction on the proportion of emerged imagines indicated stronger toxicity of Ni at 25 degrees C than at 10 degrees C. Combined negative effects of nickel and chlorpyrifos on carabid beetles depend on ambient temperature.

引用

页码：1597 / 1602

页数：6

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