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El tamaño de puesta en aves se encuentra determinado por la cantidad y variabilidad de los recursos y de las condiciones ambientales como el clima y la presión de depredación. Sin embargo, se desconoce si es que algunos rasgos de historia de vida influyen en que el tamaño de puesta varíe diferenc...

Clutch size in birds depends on the variation of resources and the environmental conditions as climate and predation pressure. However, the factors influencing on the differences of this variation among species are not clear. In this thesis, I assess if the kind of nest, diet specialization and s...

Several studies, using both molecular and ecological evidence, confirm that rafting contributes to population connectivity and range expansion of many species. However, there is also indication that the effectiveness of rafting transport of species to establish in new habitats...

This dissertation focuses on understanding the metabolic flexibility of a thermoacidophilic crenarchaeote, the mechanisms underlying its physiology, and the consequences for its ecology. Acidianus strain DS80 was isolated from an acidic spring in Yellowstone National Park (YNP) and displays versa...