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#extinction vortex

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Extinction Topic

The extinction vortex involves:

“Synergistic interactions among genetic, demographic, and environmental factors” for the extinction vortex involves. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Human-driven habitat conversion, exploitation, introduced enemies, pollution, and climate change often interact rather than acting independently. Traits such as slow reproduction or ecological specialization can magnify vulnerability. The remaining alternatives—“Only biotic factors”, “Independent extinction drivers”, “Climate change on

Ref: Conservation Biology, Primack & Sher, 6th Ed., Ch. 7

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Extinction Topic

The extinction vortex was first described by:

“Gilpin and Soulé” for the extinction vortex was first described by. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. The mechanism should be evaluated across both local and global scales. Local disappearance can be reversed by recolonization, whereas global extinction is irreversible and requires the loss of every surviving population. The remaining alternatives—“Darwin and Wallace”, “Frankham and Soulé”, “Stephens and Bradshaw”—refer to different states, processes, or scales and therefore do not

Ref: Conservation Biology, Primack & Sher, 6th Ed., Ch. 7

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