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The Indirect Effects Of Climate Variability On The Reproductive Dynamics And Productivity Of An Avian Predator In The Arid Southwest, Corrie C. Borgman
The Indirect Effects Of Climate Variability On The Reproductive Dynamics And Productivity Of An Avian Predator In The Arid Southwest, Corrie C. Borgman
Biology ETDs
The deserts of the Southwestern United States are experiencing rapid warming and climate models predict declining winter precipitation. The combined effects of higher air temperatures and drought are a reduction in productivity, which may importantly impact reproduction in consumers. Here, we investigate the effects of warming and drought on the reproductive timing and output in loggerhead shrikes (Lanius ludovicianus) in central New Mexico from 2007 to 2012. We found increases in air temperature of 3°C during the breeding season (March—July) and highly variable winter and annual precipitation. With increasing spring temperatures, shrikes advanced nesting phenology by 20 days over 6 …