DOI: 10.1111/ele.13721
论文题名: Persistence of a reef fish metapopulation via network connectivity: theory and data
作者: Dedrick A.G. ; Catalano K.A. ; Stuart M.R. ; White J.W. ; Montes H.R. ; Jr. ; Pinsky M.L.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期: 6 起始页码: 1121
结束页码: 1132
语种: 英语
中文关键词: Amphiprion clarkii
; connectivity
; dispersal kernel
; metapopulation dynamics
; network persistence
; self-persistence
英文关键词: Amphiprion clarkii
; animal
; biological model
; ecosystem
; fish
; Perciformes
; population dynamics
; Animals
; Ecosystem
; Fishes
; Models, Biological
; Perciformes
; Population Dynamics
英文摘要: Determining metapopulation persistence requires understanding both demographic rates and patch connectivity. Persistence is well understood in theory but has proved challenging to test empirically for marine and other species with high connectivity that precludes classic colonisation–extinction dynamics. Here, we assessed persistence for a yellowtail anemonefish (Amphiprion clarkii) metapopulation using 7 years of annual sampling data along 30 km of coastline. We carefully accounted for uncertainty in demographic rates. Despite stable population abundances through time and sufficient production of surviving offspring for replacement, the pattern of connectivity made the metapopulation unlikely to persist in isolation and reliant on immigrants from outside habitat. To persist in isolation, the metapopulation would need higher fecundity or to retain essentially all recruits produced. This assessment of persistence in a marine metapopulation shows that stable abundance alone does not indicate persistence, emphasising the necessity of assessing both demographic and connectivity processes to understand metapopulation dynamics. © 2021 John Wiley & Sons Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166812
Appears in Collections: 气候变化与战略
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作者单位: Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, NJ, United States; Department of Fisheries and Wildlife, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR, United States; Visayas State University, Pangasugan, Baybay City, Leyte, Philippines; Stanford Woods Institute for the Environment, Stanford University, Stanford, CA 94305, United States
Recommended Citation:
Dedrick A.G.,Catalano K.A.,Stuart M.R.,et al. Persistence of a reef fish metapopulation via network connectivity: theory and data[J]. Ecology Letters,2021-01-01,24(6)