globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.tree.2015.05.008
论文题名:
Spatial sorting promotes the spread of maladaptive hybridization
作者: Lowe W.H.; Muhlfeld C.C.; Allendorf F.W.
刊名: Trends in Ecology and Evolution
ISSN: 1695347
出版年: 2015
卷: 30, 期:8
起始页码: 456
结束页码: 462
语种: 英语
英文关键词: Biodiversity ; Conservation ; Dispersal ; Evolution ; Introgression ; Invasive species
Scopus关键词: biodiversity ; conservation genetics ; dispersal ; fitness ; hybrid ; hybridization ; introgression ; invasive species ; range expansion ; adaptation ; animal ; animal dispersal ; environmental protection ; hybridization ; introduced species ; reproductive fitness ; spatial behavior ; Adaptation, Biological ; Animal Distribution ; Animals ; Conservation of Natural Resources ; Genetic Fitness ; Hybridization, Genetic ; Introduced Species ; Spatial Behavior
英文摘要: Invasive hybridization is causing loss of biodiversity worldwide. The spread of such introgression can occur even when hybrids have reduced Darwinian fitness, which decreases the frequency of hybrids due to low survival or reproduction through time. This paradox can be partially explained by spatial sorting, where genotypes associated with dispersal increase in frequency at the edge of expansion, fueling further expansion and allowing invasive hybrids to increase in frequency through space rather than time. Furthermore, because all progeny of a hybrid will be hybrids (i.e., will possess genes from both parental taxa), nonnative admixture in invaded populations can increase even when most hybrid progeny do not survive. Broader understanding of spatial sorting is needed to protect native biodiversity. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67149
Appears in Collections:全球变化的国际研究计划
气候变化与战略

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作者单位: Division of Biological Sciences, University of Montana, Missoula, MT, United States; US Geological Survey, Northern Rocky Mountain Science Center, Glacier National Park, West Glacier, MT, United States; Flathead Lake Biological Station, University of Montana, Polson, MT, United States

Recommended Citation:
Lowe W.H.,Muhlfeld C.C.,Allendorf F.W.. Spatial sorting promotes the spread of maladaptive hybridization[J]. Trends in Ecology and Evolution,2015-01-01,30(8)
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