The Geometry DATING BEST SITE Metapopulation Dynamics

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Metapopulation dynamics

More information about the Ecology, Genetics and Evolution · Essential for biologists interested in spatial population dynamics · Serves as a valuable reference to conservationists · Covers both av A Forsman · 2015 · Citerat av 16 — Hanski I . 1998Metapopulation dynamics. Nature 396, 41–49. (doi:10.1038/23876).

Unfortunately, it is not feasible to simply add more equations to the existing system of two equations. Some simple calculations show why.

The Geometry DATING BEST SITE Metapopulation Dynamics

They can be used to predict the response of species to a changing environment, or in conservation planning (Bascompte and Solé 1998, Hanski 1999, Akçakaya and Sjögren-Gulve 2000, Beissinger and McCullough 2002). metapopulation dynamics, habitat patch area and iso-lation, and to what extent other factors possibly im-prove the predictive power of metapopulation models. Spatial variation in the environment can conceivably affect metapopulation dynamics in many different ways (Murphy et al. 1990).

The relative importance of local and regional processes to

The key concept here is that different populations within the metapopulation are connected by dispersal but are undergoing different dynamics, but are connected by dispersal. To increase our understanding of metapopulation dynamics in static and dynamic landscapes, quantitative models are useful tools. They can be used to predict the response of species to a changing environment, or in conservation planning (Bascompte and Solé 1998, Hanski 1999, Akçakaya and Sjögren-Gulve 2000, Beissinger and McCullough 2002). metapopulation dynamics, habitat patch area and iso-lation, and to what extent other factors possibly im-prove the predictive power of metapopulation models. Spatial variation in the environment can conceivably affect metapopulation dynamics in many different ways (Murphy et al. 1990).

Redaktörer, I. Hanski, O. Gaggiotti. Antal sidor, 23. Originalspråk, engelska. Förlag. University of Helsinki.

Using the estimated Eco-Evolutionary Metapopulation Dynamics 31 uralist that the model gives a good approximation of the stationary state of an individual-based model in which genetic variance and drift are modeled mechanistically. Stochastic Patch Occupancy Model We model the presence or absence of a species in a ﬁnite network of habitat patches. The Modeled metapopulation dynamics. Metapopulation growth, in terms of the number of adults in the metapopulation (λ m) was mainly determined by local population processes, whereas change in patch occupancy (λ o) reflected the dispersal mode combined with seed 2020-11-07 · Metapopulation dynamics seem to be important for this species, since it may persist at a metapopulation level even though the conditions and population sizes in individual trees are changing.
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Generalizing Levins metapopulation model in explicit space

dispersal , habitat quality and What is a patch in a dynamic metapopulation? Mobility of an endangered woodland butterfly, Euphydryas maturna.

Individuals on the Move : Body Condition Dependent

Metapopulation biology is concerned with the dynamic consequences of migration among local populations and the conditions of regional persistence of species with unstable local populations. It thus follows that adopting a landscape ecological perspective to metapopulation dynamics entails understanding how a spatial pattern, such as habitat fragmentation or heterogeneity, affects the processes that contribute to the dynamics of spatially structured populations. Although the results of the first experiment are exactly as predicted by metapopulation dynamics theory, they may conceivably have been generated by changes in the microclimate of fragmented A practical model of metapopulation dynamics ILKKA HANSKI Department of Zoology, Division of Ecology, PO Box 17 (P Rautatiekatu 13), SF-00014, University of Helsinki, Finland Summary 1. This paper describes a novel approach to modelling of metapopulation dynamics.

To explore metapopulation dynamics in the absence of dispersal, click on the "No dispersal" box underneath the four circles, and choose "Less" for "Distance" (the distance between subpopulations of the metapopulation). In addition, within a metapopulation, the creation or restoration of additional, discrete sites may buffer the whole population against the effects of localised events or demographic stochasticity (Hanski & Gyllenberg, 1993). Within a metapopulation, there may be both source populations and sink populations (Pulliam, 1988). A practical model of metapopulation dynamics ILKKA HANSKI Department of Zoology, Division of Ecology, PO Box 17 (P Rautatiekatu 13), SF-00014, University of Helsinki, Finland Summary 1. This paper describes a novel approach to modelling of metapopulation dynamics.