19 November 2024 Paleoecology and body mass distribution of horses in northern Eurasia during the Pleistocene
Diana Pushkina
Author Affiliations + Diana Pushkina11Department of Computer Science, University of Helsinki, P.O. Box 64, FI-00014 University of Helsinki, Finland (e-mail: )
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Abstract
The “grazing horses″ (Equinae) were successful large herbivores that arrived from North America to Eurasia at the Plio–Pleistocene boundary. The adaptiveness of high-crowned (hypsodont) Equus spp. allowed them to conquer environments from open to forested, resulting in different body sizes. Few large-scale studies on horse body mass in northern Eurasia exist. Despite controversial systematics of Equidae, their ecomorphological features are quantifiable. The Pleistocene habitat and Equus spp. body mass changes were studied across northern Eurasia. Mean non-equid ungulate hypsodonty demonstrated progressive opening of landscapes throughout the Pleistocene, returning towards more humid and closed environments (taiga) below 70°N by the Holocene. Landscape heterogeneity across northern Eurasia indicated different zoogeographic provinces. Mean Equus spp. body mass decreased during the Middle Pleistocene to resemble the Holocene estimates. The Holocene domestication might have prevented small-sized and grazing-adapted horse lineages from extinction when taiga forests spread across northern Eurasia.
Diana Pushkina "Paleoecology and body mass distribution of horses in northern Eurasia during the Pleistocene," Annales Zoologici Fennici 61(1), 281-302, (19 November 2024). https://doi.org/10.5735/086.061.0118Received: 1 March 2024; Accepted: 28 June 2024; Published: 19 November 2024
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Diana Pushkina "Paleoecology and body mass distribution of horses in northern Eurasia during the Pleistocene," Annales Zoologici Fennici, 61(1), 281-302, (19 November 2024)
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