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Extinction vortices are a class of models … Extinction vortices are a class of models through which conservation biologists, geneticists and ecologists can understand the dynamics of and categorize extinctions in the context of their causes. This model shows the events that ultimately lead small populations to become increasingly vulnerable as they spiral toward extinction. Developed by M. E. Gilpin and M. E. Soulé in 1986, there are currently four classes of extinction vortices. The first two (R and D) deal with environmental factors that have an effect on the ecosystem or community level, such as disturbance, pollution, habitat loss etc. Whereas the second two (F and A) deal with genetic factors such as inbreeding depression and outbreeding depression, genetic drift etc.outbreeding depression, genetic drift etc.
, En écologie, et dans l'étude de la dynamiq … En écologie, et dans l'étude de la dynamique des populations, la notion de tourbillon d'extinction, spirale d'extinction ou vortex d'extinction (« Extinction vortex » pour les anglophones) correspond à une catégorie de modèles utilisés pour comprendre, décrire ou catégoriser la dynamique et les causes d'extinctions d'espèces et de groupes d'espèces. Ces modèles sont utilisés par des biologistes de la conservation et certains généticiens et écologues.tion et certains généticiens et écologues.
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En écologie, et dans l'étude de la dynamiq … En écologie, et dans l'étude de la dynamique des populations, la notion de tourbillon d'extinction, spirale d'extinction ou vortex d'extinction (« Extinction vortex » pour les anglophones) correspond à une catégorie de modèles utilisés pour comprendre, décrire ou catégoriser la dynamique et les causes d'extinctions d'espèces et de groupes d'espèces. Ces modèles sont utilisés par des biologistes de la conservation et certains généticiens et écologues.tion et certains généticiens et écologues.
, Extinction vortices are a class of models … Extinction vortices are a class of models through which conservation biologists, geneticists and ecologists can understand the dynamics of and categorize extinctions in the context of their causes. This model shows the events that ultimately lead small populations to become increasingly vulnerable as they spiral toward extinction. Developed by M. E. Gilpin and M. E. Soulé in 1986, there are currently four classes of extinction vortices. The first two (R and D) deal with environmental factors that have an effect on the ecosystem or community level, such as disturbance, pollution, habitat loss etc. Whereas the second two (F and A) deal with genetic factors such as inbreeding depression and outbreeding depression, genetic drift etc.outbreeding depression, genetic drift etc.
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Extinction vortex
, Vortex d'extinction
, Vortéx de extinção
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