Results 1 to 10 of about 1,196,954 (293)
Variations of the Ratio of Total-To-selective Extinction in the Galaxy [PDF]
Open Astronomy, 2003 The results of the study of variations of total-to-selective extinction RV near the Galactic plane (-12° ≤ b ≤+12°) are presented. It is shown that variations of RV range from 1.9 to 3.4 and it is not possible to determine its typical value for the ...
Sūdžius J., Raudeliūnas S.
doaj +6 more sources
Promotion of cooperation by selective group extinction [PDF]
New Journal of Physics, 2016 Multilevel selection is an important organizing principle that crucially underlies evolutionary processes from the emergence of cells to eusociality and the economics of nations.
Marvin A Böttcher, Jan Nagler
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Selective extinction against redundant species buffers functional diversity [PDF]
Proceedings of the Royal Society B: Biological Sciences, 2020 The extinction of species can destabilize ecological processes. A way to assess the ecological consequences of species loss is by examining changes in functional diversity. The preservation of functional diversity depends on the range of ecological roles
Alexander Zizka +2 more
exaly +4 more sources
Central amygdala micro-circuits mediate fear extinction [PDF]
Nature Communications, 2021 The central amygdala inhibitory microcircuits mediate fear extinction by reversible, stimulus- and context-specific changes in neuronal responses. These alterations are absent when extinction is deficient and selective silencing of PKCδ neurons impairs ...
Nigel Whittle +12 more
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Therian mammals experience an ecomorphological radiation during the Late Cretaceous and selective extinction at the K–Pg boundary [PDF]
Proceedings of the Royal Society B: Biological Sciences, 2016 Elis Newham, David Grossnickle
exaly +1 more source
Extinction and morphospace occupation: A critical review
Cambridge Prisms: Extinction, 2023 Processes of extinction, especially selectivity, can be studied using the distribution of species in morphospace. Random extinction reduces the number of species but has little effect on the range of morphologies or ecological roles in a fauna or flora ...
P. David Polly
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Community stability and selective extinction during Earth’s greatest mass extinction [PDF]
Science, 2015 Abstract We modelled the resilience and transient dynamics of terrestrial paleocommunities from the Karoo Basin, South Africa, around the Permian-Triassic mass extinction. Using recently refined biostratigraphic data that suggest two pulses of extinction leading up to the Permian-Triassic boundary, we show that during times of low ...
Roopnarine, Peter D +1 more
openaire +3 more sources
Mathematical and Computer Modelling of Dynamical Systems, 2023 Controlling antibiotic drug resistance requires understanding extinction and emergence mechanisms of emerging bacteria. Selective pressure from prolonged antibiotic misuse may cause high-level antimicrobial resistance.
Bhawna Malik, Samit Bhattacharyya
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Archosauromorph extinction selectivity during the Triassic–Jurassic mass extinction [PDF]
Palaeontology, 2018 AbstractMany traits have been linked to extinction risk among modern vertebrates, including mode of life and body size. However, previous work has indicated there is little evidence that body size, or any other trait, was selective during past mass extinctions.
Bethany J. Allen +3 more
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Sexual selection and the risk of extinction in mammals [PDF]
Proceedings of the Royal Society of London. Series B: Biological Sciences, 2004 (Uploaded by Plazi for the Bat Literature Project) No abstract provided.
Edward H, Morrow, Claudia, Fricke
openaire +3 more sources