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The migration of animals across long distances and between multiple habitats presents a major challenge for conservation. For the migratory Mexican free-tailed bat (Tadarida brasiliensis mexicana), these challenges include identifying and protecting migratory routes and critical roosts in two countries, the United States and Mexico. Knowledge and conservation of bat migratory routes is critical in the face of increasing threats from climate change and wind turbines that might decrease migratory survival. We employ a new modeling approach for bat migration, network modeling, to simulate migratory routes between winter habitat in southern Mexico and summer breeding habitat in northern Mexico and the southwestern United...
Abstract (from http://trace.tennessee.edu/utk_gradthes/2396/): Many effects of a changing climate for organisms, communities, and ecosystems are already apparent. Less studied are the effects of increases in temperature on species interactions. While warming may potentially disrupt interactions among species, species interactions may also mediate individual species responses to ongoing climatic change. In this experiment we manipulated temperature in field-based, open-top chambers for three years to examine the relationship between biotic interactions and climatic warming on the population dynamics of seedlings of Quercus alba. We investigated the effect of warming on rates of insect herbivory on Q. alba seedlings....
Categories: Publication;
Types: Citation;
Tags: Forests,
Insect herbivory,
Landscapes,
Other Wildlife,
Plants,
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