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Existe-t-il une 6ème Extinction des petits vertébrés en Afrique du Nord? Le point de vue des données fossiles

Abstract : Modern and fossil small vertebrates from North Africa remain poorly studied compared to large mammals, more emblematic. However, small animals such as lagomorphs, rodents, hedgehogs, shrews, amphibians and squamates display very specific ecological requirements and are highly sensitive to changes of their environment. Consequently, their study in archaeological and palaeontological context provides more precise biostratigraphic and palaeoenvironmental information than large mammals. Moreover, fossil and modern data on North-African species show that small vertebrates have reacted very differently to climatic and human pressures than large mammals. Contrary to these latter, no 6th extinction seems to have occurred among small vertebrates in North Africa, however human impact was highlighted at a population scale.
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https://hal.archives-ouvertes.fr/hal-02402885
Contributor : Emmanuelle STOETZEL Connect in order to contact the contributor
Submitted on : Tuesday, December 10, 2019 - 4:16:47 PM
Last modification on : Wednesday, September 28, 2022 - 4:20:11 PM

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  • HAL Id : hal-02402885, version 1

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Emmanuelle Stoetzel, Bouchra Bougariane. Existe-t-il une 6ème Extinction des petits vertébrés en Afrique du Nord? Le point de vue des données fossiles. Travaux de l’Institut Scientifique, Série Générale, 2015, 8, pp.21-30. ⟨hal-02402885⟩

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