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DIGITAL.CSIC
Article . 2013 . Peer-reviewed
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Paleoclimatical interpretation of the Quaternary small Mammals of Spain.

Authors: Sesé, Carmen;

Paleoclimatical interpretation of the Quaternary small Mammals of Spain.

Abstract

RESUMEN: Los cambios en la distribución de las asociaciones de micromamíferos del Pleistoceno de España se utilizan aquí para hacer una interpretación ambiental desde esta edad hasta la actualidad. Hemos tenido en cuenta la importancia paleoambiental de algunos micromamíferos (Rodentia, Lagomorpha, Insectivora y Chiroptera), cuyos representantes actuales viven en hábitats restringidos, así como su evolución, inmigración y extinción. Nuestras observaciones permiten las siguientes observaciones. Después del relativo enfriamiento que sucedió a finales del Plioceno y principios del Pleistoceno, España estuvo sometida a un clima templado desde el Pleistoceno Medio hasta la actualidad. Algunas fases relativamente más cálidas ocurrieron probablemente en el Pleistoceno Medio, así como algunas de las fases más frías durante las glaciaciones del Pleistoceno Superior, aunque estas fueron menos intensas que en el resto de Europa. La humedad fue probablemente mayor durante el Plioceno Superior y el Pleistoceno Inferior que en épocas anteriores en el sur de España. Las fases relativamente más cálidas durante el Pleistoceno Medio podrían haber sido más húmedas en toda la Península, probablemente con un aumento de los cursos de agua y una mayor extensión de la cobertura vegetal. Las fases más templadas durante el Pleistoceno Superior también habrían sido más húmedas, con áreas más boscosas, mientras que las fases más frías serían posiblemente más secas. Hay evidencias de una tendencia hacia un clima más seco desde el Pleistoceno Superior hasta la actualidad. Como resultado, tuvo lugar una disminución progresiva de la diversidad de los micromamíferos que todavía prevalece hoy en día sobre todo en la zona mediterránea de España.

ABSTRACT: The changes in the distribution of the small mammals associations of the Pleistocene of Spain are used here to make an environmental interpretation from this age to the present. We have taken into account the paleoenvironmental significance of some micromammals (Rodentia, Lagomorpha, Insectivora and Chiroptera), whose living representatives live in restricted habitats, as well as their evolution, immigration and extinction. Our observations allow the following remarks. After the relative cooling that happened by the late Pliocene and at the beginning of the Pleistocene, Spain was subjected to a mild climate since the Middle Pleistocene to the present. Some relatively warmer phases probably occurred in the Middle Pleistocene, as well as some cooler phases during the glaciations of the Upper Pleistocene, even if these were less intense than in the rest of Europe. Humidity was probably greater during the Late Pliocene and the Lower Pleistocene than in preceding ages in Southern Spain. The relatively warmer phases during the Middle Pleistocene could have also been more humid in all the Peninsula, probably with an increase of the water courses and a greater extension of the vegetation cover. The milder phases during the Upper Pleistocene would also be more humid with more wooded areas, while the cooler phases were possibly drier. There are evidences of a tendency towards a drier climate since the Upper Pleistocene until the present. As a result, a progressive decrease in the diversity of the micromammals happened which still prevails nowadays mainly in the Mediterranean area of Spain.

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Spain
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Keywords

Pleistocene, Paleoclimatología, Micromamíferos, Pleistoceno, Península Ibérica, Paleoclimatology, Small Mammals, Iberian Peninsula

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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