globalchange  > 气候变化与战略
DOI: 10.1111/ele.13729
论文题名:
Empirical tests of habitat selection theory reveal that conspecific density and patch quality, but not habitat amount, drive long-distance immigration in a wild bird
作者: Rushing C.S.; Brandt Ryder T.; Valente J.J.; Scott Sillett T.; Marra P.P.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:6
起始页码: 1167
结束页码: 1177
语种: 英语
中文关键词: Conspecific attraction ; deuterium ; habitat selection ; ideal free distribution ; immigration ; social cues hypothesis ; source-sink dynamics
英文关键词: Hylocichla ; Hylocichla mustelina ; Passeri ; animal ; association ; ecosystem ; migration ; population dynamics ; songbird ; wild animal ; Animals ; Animals, Wild ; Cues ; Ecosystem ; Emigration and Immigration ; Population Dynamics ; Songbirds
英文摘要: Individuals that disperse long distances from their natal site must select breeding patches with no prior knowledge of patch suitability. Despite decades of theoretical studies examining which cues dispersing individuals should use to select breeding patches, few empirical studies have tested the predictions of these theories at spatial scales relevant to long-distance dispersal in wild animal populations. Here, we use a novel assignment model based on multiple intrinsic markers to quantify natal dispersal distances of Wood Thrush (Hylocichla mustelina) breeding in forest fragments. We show that long-distance natal dispersal in this species is more frequent than commonly assumed for songbirds and that habitat selection by these individuals is driven by density-dependence and patch quality but not the amount of habitat surrounding breeding patches. These results represent an important contribution to understanding habitat selection by dispersing individuals, especially with regards to long-distance dispersal. © 2021 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166921
Appears in Collections:气候变化与战略

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作者单位: Department of Wildland Resources and the Ecology Center, Utah State University, 5230 Old Main Hill, Logan, UT 84322, United States; Smithsonian Migratory Bird Center, National Zoological Park, Washington, DC 20013, United States; Bird Conservancy of the Rockies, Fort Collins, CO 80525, United States; Department of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR 97331, United States; Department of Biology and McCourt School of Public Policy, Georgetown University, 37th and O Streets, NW, Washington, DC 20057, United States

Recommended Citation:
Rushing C.S.,Brandt Ryder T.,Valente J.J.,et al. Empirical tests of habitat selection theory reveal that conspecific density and patch quality, but not habitat amount, drive long-distance immigration in a wild bird[J]. Ecology Letters,2021-01-01,24(6)
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