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300 billion years of angiosperm evolution at risk of extinction
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Avoiding ocean mass extinction from climate warming
Science, 2022Global warming threatens marine biota with losses of unknown severity. Here, we quantify global and local extinction risks in the ocean across a range of climate futures on the basis of the ecophysiological limits of diverse animal species and ...
J. Penn, C. Deutsch
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Extinction Debt at Extinction Threshold [PDF]
Conservation Biology, 2002 Abstract:To allow for long‐term metapopulation persistence, a network of habitat fragments must satisfy a certain condition in terms of number, size, and spatial configuration of the fragments. The influence of landscape structure on the threshold condition can be measured by a quantity called metapopulation capacity, which can be calculated for real ...
Ilkka Hanski, Otso Ovaskainen
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Resistance to extinction versus extinction as discrimination
Journal of the Experimental Analysis of Behavior, 2021The hypothesis that response strength might be measured by persistence of responding in the face of extinction was discredited in the 1960s because experiments showed that responding persists longer following intermittent reinforcers than following continuous reinforcers.
Matthew C. Bell, William M. Baum
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The relationship between infrared, optical, and ultraviolet extinction
, 1989The parameterized extinction data of Fitzpatrick and Massa (1986, 1988) for the ultraviolet and various sources for the optical and near-infrared are used to derive a meaningful average extinction law over the 3.5 micron to 0.125 wavelength range which ...
J. Cardelli, G. Clayton, J. Mathis
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Extinctions? What extinctions?
New Scientist, 2021There are a growing number of people who deny the threats that many species face.
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