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The structural connectivity threshold: An hypothesis in conservation biology at the landscape scale

Metzger, Jean-Paul ; Décamps, Henri

Acta oecologica (Montrouge), 1997, Vol.18 (1), p.1-12 [Periódico revisado por pares]

Paris: Elsevier Masson SAS

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Título:
The structural connectivity threshold: An hypothesis in conservation biology at the landscape scale
Autor: Metzger, Jean-Paul ; Décamps, Henri
Assuntos: Animal, plant and microbial ecology ; Applied ecology ; BIODIVERSIDAD ; BIODIVERSITE ; BIODIVERSITY ; Biological and medical sciences ; BOSQUES ; CONSERVACION DE LA NATURALEZA ; conservation biology ; CONSERVATION DE LA NATURE ; Conservation, protection and management of environment and wildlife ; ECOSISTEMA ; ECOSYSTEME ; ECOSYSTEMS ; FORESTS ; FORET ; Fundamental and applied biological sciences. Psychology ; HABITAT ; HABITATS ; LANDSCAPE ; NATURE CONSERVATION ; PAISAJE ; Parks, reserves, wildlife conservation. Endangered species: population survey and restocking ; PAYSAGE ; percolation ; Structural connectivity ; threshold
É parte de: Acta oecologica (Montrouge), 1997, Vol.18 (1), p.1-12
Notas: 9703758
F40
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: This paper focuses on the effect of connectivity on biodiversity by proposing a testable hypothesis of a structural connectivity threshold. Evidence of this threshold is supported by percolation theory and by biological models of extinction. Hypothesizing the existence of this connectivity threshold, a conceptual model linking connectivity and biodiversity is presented. We suggested different measurements of connectivity to test the hypothesis of a structural threshold. The identification of this threshold is considered as a practical means to facilitate biological fluxes and optimize species colonization possibilities in designing a policy of conservation biology at the landscape scale. Ce papier traite des effects de la connectivité sur la biodiversité en proposant une hypothèse testable de l'existence d'un seuil de connectivité structurale. En effet, la théorie de la percolation et des modèles biologiques d'extinction tendent à montrer l'existence d'un tel seuil. En fonction de l'hypothèse soulevée, un modèle conceptuel reliant la connectivité et la biodiversité est proposé. Différentes mesures de connectivité sont présentées afin de tester l'hypothèse du seuil de connectivité structurale. L'identification de ce seuil est considérée comme un moyen de faciliter les flux biologiques et d'optimiser les possibilités de colonisation des espèces dans l'établissement d'une politique de conservation biologique à l'échelle des paysages.
Editor: Paris: Elsevier Masson SAS
Idioma: Inglês

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The structural connectivity threshold: An hypothesis in conservation biology at the landscape scale

Metzger, Jean-Paul ; Décamps, Henri

Paris: Elsevier Masson SAS

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