Assisted colonization is not a viable conservation strategy

被引:404
作者
Ricciardi, Anthony [1 ]
Simberloff, Daniel [2 ]
机构
[1] McGill Univ, Redpath Museum, Montreal, PQ H3A 2K6, Canada
[2] Univ Tennessee, Dept Ecol & Evolutionary Biol, Knoxville, TN 37996 USA
关键词
BIOLOGICAL INVASIONS; CLIMATE-CHANGE; GREAT-LAKES; EXTINCTION; IMPACT; PLANT; INVASIVENESS; HISTORY; RISK; FISH;
D O I
10.1016/j.tree.2008.12.006
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
A potential conservation strategy increasingly discussed by conservation biologists is the translocation of species to favorable habitat beyond their native range to protect them from human-induced threats, such as climate change. Even if preceded by careful risk assessment, such action is likely to produce myriad unintended and unpredictable consequences. Accurate risk assessment is impeded by contingency: the impacts of introduced species vary over time and space under the influence of local environmental variables, interspecific interactions and evolutionary change. Some impacts, such as native species extinctions, are large and irrevocable. Here we argue that conservation biologists have not yet developed a sufficient understanding of the impacts of introduced species to make informed decisions regarding species translocations.
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页码:248 / 253
页数:6
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