STOCHASTIC POPULATION DYNAMICS OF AN INTRODUCED SWISS POPULATION OF THE IBEX
作者： Bernt-Erik Sæther , Steinar Engen , Flurin Filli , Ronny Aanes , Wolfgang Schröder
DOI: 10.1890/0012-9658(2002)083[3457:SPDOAI]2.0.CO;2
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摘要: Using a long-term data set on the fluctuations of reintroduced Swiss population ibex we estimated parameters in stochastic model with theta-logistic density regulation, and how environmental stochasticity was related to different climate variables. Our aim examine quantitatively relative effects variation describing expected dynamics as well uncertainties them for development reliable projections. The specific growth rate r1 0.14. Density regulation mainly happened close carrying capacity K, indicating that commonly used assumption ecology loglinear is not always valid. Annual point estimates correlated winter climate. Uncertainties parameter were high, especially r1. In order dynamical consequences the...
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