Terrestrial pesticide exposure of amphibians: An underestimated cause of global decline?

被引：206

作者：

Bruehl, Carsten A. ^{[1
]}

Schmidt, Thomas ^{[2
]}

Pieper, Silvia ^{[3
]}

Alscher, Annika ^{[1
,4
]}

机构：

[1] Univ Koblenz Landau, Inst Environm Sci, D-76829 Landau, Germany

[2] Harlan Labs Ltd, CH-4452 Itingen, Switzerland

[3] Fed Environm Agcy, D-06844 Dessau, Germany

[4] Innovat Environm Serv IES Ltd, CH-4108 Witterswil, Switzerland

来源：

SCIENTIFIC REPORTS | 2013年 / 3卷

关键词：

FUNGICIDE FORMULATIONS; ACUTE TOXICITY; SUSCEPTIBILITY; EXTINCTIONS; FROGS;

D O I：

10.1038/srep01135

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：

Amphibians, a class of animals in global decline, are present in agricultural landscapes characterized by agrochemical inputs. Effects of pesticides on terrestrial life stages of amphibians such as juvenile and adult frogs, toads and newts are little understood and a specific risk assessment for pesticide exposure, mandatory for other vertebrate groups, is currently not conducted. We studied the effects of seven pesticide products on juvenile European common frogs (Rana temporaria) in an agricultural overspray scenario. Mortality ranged from 100% after one hour to 40% after seven days at the recommended label rate of currently registered products. The demonstrated toxicity is alarming and a large-scale negative effect of terrestrial pesticide exposure on amphibian populations seems likely. Terrestrial pesticide exposure might be underestimated as a driver of their decline calling for more attention in conservation efforts and the risk assessment procedures in place do not protect this vanishing animal group.

引用

页数：4

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