Tafonomía de micromamíferos, Paleoecología y variabilidad de fenómenos climáticos en el Hemisferio Norte y Sur durante el Holoceno
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2025
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18/09/2023
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Universidad Complutense de Madrid
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Abstract
La evolución climática general en los hemisferios Norte y Sur se ha caracterizado por una respuesta diferencial en la señal isotópica obtenida en los testigos de hielo y que es bien conocida desde el comienzo delMIS2. Aunque estas diferencias siguen sin estar claras para el Holoceno (MIS1), varios pulsos climáticos con una duración de centenares a miles de años caracterizaron esta época, al menos en el hemisferio Norte. Su identificación y naturaleza en el hemisferio Sur nos permitirá confirmar la extensión global, la intensidad y la sincronía de estos pulsos entre ambos hemisferios en esta época. El estudio del impacto de estos pulsos en los ecosistemas terrestres en ambos hemisferios puede proporcionar más información para comprender el cambio climático actual y futuro...
The general climatic evolution in the Northern and Southern hemisphereshas been characterized by a differential response in the ice-core isotopic signature which is well known since the beginning of MIS2. Although these differences remain unclear for the Holocene (MIS1), this epoch is characterized by having undergone several climate pulses of centennial to millennial duration, well known in the Northern Hemisphere. The study of their impact on terrestrial ecosystems may provide further information for understanding present and future climate change. In this respect, small mammals are considered good terrestrial environmental proxies based on their ability to easily respond and record even small-scale environmental changes at both present and past time...
The general climatic evolution in the Northern and Southern hemisphereshas been characterized by a differential response in the ice-core isotopic signature which is well known since the beginning of MIS2. Although these differences remain unclear for the Holocene (MIS1), this epoch is characterized by having undergone several climate pulses of centennial to millennial duration, well known in the Northern Hemisphere. The study of their impact on terrestrial ecosystems may provide further information for understanding present and future climate change. In this respect, small mammals are considered good terrestrial environmental proxies based on their ability to easily respond and record even small-scale environmental changes at both present and past time...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Geológicas, leída el 18-09-2023. Tesis formato europeo (compendio de artículos)