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Data from: Combined bottom-up and top-down pressures drive catastrophic population declines of Arctic skuas in Scotland
负责人:
Perkins, Allan
关键词:
skua food availability marine conservation population dynamics predation sandeel seabird
摘要:
predation reducing productivity. Arctic skua Stercorarius parasiticus, a kleptoparasite of other seabirds, is one such species. 2. The aim of the study
Data from: Demographic responses of a site-faithful and territorial predator to its fluctuating prey: long-tailed skuas and arctic lemmings
负责人:
关键词:
abundance population cycles predator-prey interactions breeding success
摘要:
g-tailed skua sustain well changes in lemming dynamics, including temporary collapses (e.g. 10 years). A high floater-to-breeder ratio emerges from rigid
Data from: Multiple stressors in a top predator seabird: potential ecological consequences of environmental contaminants, population health and breeding conditions
负责人:
关键词:
multiple stressors;pollution;Great skua;reproduction;Stercorarius skua;seabird;present
摘要:
–74°N) of great skua (Stercorarius skua) in the north-eastern Atlantic (Shetland, Iceland and Bj?rn?ya [Bear Island]). POPs (organochlorines [OCs
Data from: Sex-specific arrival times on the breeding grounds: hybridizing migratory skuas provide empirical support for the role of sex ratios
负责人:
关键词:
migration arrival dates population sex ratio sex-role reversal spring migration
摘要:
south polar skua (Catharacta maccormicki). These populations differed in their operational sex ratio caused by the unidirectional hybridization of male

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