"Sight-unseen" detection of rare aquatic species using environmental DNA

被引:846
作者
Jerde, Christopher L. [1 ]
Mahon, Andrew R. [1 ]
Chadderton, W. Lindsay [2 ]
Lodge, David M. [1 ]
机构
[1] Univ Notre Dame, Dept Biol Sci, Ctr Aquat Conservat, Notre Dame, IN 46556 USA
[2] Nature Conservancy, Great Lakes Project, Arlington, VA 22203 USA
来源
CONSERVATION LETTERS | 2011年 / 4卷 / 02期
关键词
Asian carp; early detection; environmental DNA; Great Lakes; invasive species; surveillance; PROPAGULE PRESSURE; RISK ANALYSIS; ASIAN CARP; ESTABLISHMENT; FISHES; LAKES;
D O I
10.1111/j.1755-263X.2010.00158.x
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Effective management of rare species, including endangered native species and recently introduced nonindigenous species, requires the detection of populations at low density. For endangered species, detecting the localized distribution makes it possible to identify and protect critical habitat to enhance survival or reproductive success. Similarly, early detection of an incipient invasion by a harmful species increases the feasibility of rapid responses to eradicate the species or contain its spread. Here we demonstrate the efficacy of environmental DNA (eDNA) as a detection tool in freshwater environments. Specifically, we delimit the invasion fronts of two species of Asian carps in Chicago, Illinois, USA area canals and waterways. Quantitative comparisons with traditional fisheries surveillance tools illustrate the greater sensitivity of eDNA and reveal that the risk of invasion to the Laurentian Great Lakes is imminent.
引用
收藏
页码:150 / 157
页数:8
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