Kennedy metapopulation concepts and models dynamics observations single-species would've came

Veröffentlicht Florian Zimmerer | Montag, 14. Mai 2018

Heterogeneity among habitat patches may give rise to a bimodal equilibrium distribution of the fraction of patches occupied in an assemblage of species the core-satellite distribution. Inbreeding and extinction in a butterfly metapopulation. We concluded that climate does strongly influence regional and local bull trout distributions, and we estimated bull trout habitat response to a range of predicted climate warming effects. In other projects Wikimedia Commons. Inferences from ecological incidence functions. Wahlberg for comments on the manuscript, and J.

Article Google Scholar Comments By submitting a comment you agree to abide by our Terms and Community Guidelines. Nature , 65—66 But are we accumulating dispersal knowledge at a pace that can meet the demand? Thus, populations can appear and disappear from the overall landscape without necessarily threatening the long-term persistence of the species itself. Infectious Diseases of Humans:

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Preliminary analyses indicated survival rates times greater for stocked trout of wild versus domestic parentage, and some increases in natural reproduction have been observed. He was awarded the Crafoord Prize in biosciences for his pioneering studies on how spatial variation affects the dynamics of animal and plant populations. Extinction and isolation gradients in metapopulations:

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Avian biology, volume 8. The properties of such metapopulations have only recently begun to be examined, often with models that are occupancy-based using only colony presence or absence data and deterministic using single, empirically determined values for each of several population biology parameters. Annual survival rates of breeding adult roseate terns. I collectively analyzed evaluations of wild trout stocking across Wisconsin to determine whether program goals were being fulfilled and to identify any research gaps. Helsinki University Oxford University.

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In , he was awarded the Balzan Prize for Ecological Sciences. We analysed temporal changes in the: Unable to display preview. For example, understanding biodiversity and population variability is essential for practical work in conservation biology and in regional planning.

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Habitat destruction and the extinction debt. Abstract - Add to MetaCart In recent decades, a tremendous amount of field research coupled with technological advances in remote sensing, ecological modeling, geographic information systems GIS , and spatial analysis have clarified the effects of forest fragmentation on landscape pattern, biodiversity and ecological processes. Thus, populations can appear and disappear from the overall landscape without necessarily threatening the long-term persistence of the species itself. Transactions of the American Fisheries Society

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This process is experimental and the keywords may be updated as the learning algorithm improves. Importantly, they breed more or less obligatorily in local clusters of colonies that can move regularly from site to site, and they routinely exchange breeders. Although use of genetics for estimating dispersal has increased, new ecological and genetic methods for measuring dispersal are not yet widely adopted.

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In addition, control of wildfire will significantly increase the viability of the species in the remaining habitat. Bulletin of the Entomological Society of America Preliminary analyses indicated survival rates times greater for stocked trout of wild versus domestic parentage, and some increases in natural reproduction have been observed.

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Pages 43— in J. Burns, A Edworthy, Maldwyn J. By submitting a comment you agree to abide by our Terms and Community Guidelines.

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Our systematic review of conservation Dynamics of shrews on small islands accord with the equilibrium model. Pages 43— in J. We used our results to explore the implications of the climate warming expected in the next 50 or more years. Extreme event risk analysis for age-structured populations. James Barber Martin T.

Hanski died of a long-illness on 10 May in Helsinki , aged Data provided are for informational purposes only. The group studies species living in fragmented landscapes and attempts to advance metapopulation ecology research. Model-based estimates of annual survival rates are preferable to observed maximum lifespan statistics for use in comparative life-history studies. In other projects Wikimedia Commons.

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The heeding ecology of royal terns Sterna Thalasseus maxima maxima. Oikos 80 , — Although carefully collected, accuracy cannot be guaranteed. The importance of scale and spatial variables for the fungivorous beetle Bolitophagus reticulatus C

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We produced a series of species-typical lines for different population risks over the 50 years we simulated. Thus, populations can appear and disappear from the overall landscape without necessarily threatening the long-term persistence of the species itself. Cookies We use cookies to improve your experience with our site. Effectiveness of alternative heuristic algorithms for identifying indicative minimum requirements for conservation reserves. Hanski died of a long-illness on 10 May in Helsinki , aged As of May [update] he is the seventh most cited ecologist in the world.

Single-species metapopulation dynamics concepts models and observations

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Dispersal and connectivity in metapopulations. Advanced Search Include Citations. A Common Framework for Conservation Planning: Acritique of Wright's shifting balance theory of evolution. In this paper we couple information captured in a GIS database, relationships between habitat attributes and habitat quality, and the dy

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