INFLUENCE OF EXPOSURE TO ROCKET LAUNCH NOISE ON NEST FATES OF WESTERN SNOWY PLOVERS

Rachel H. Budge; California State University Bakersfield; rbudge@csub.edu; Megan R. McCullah-Boozer, Emily Olivares Garnica, Hugo J. Zepeda, Levi T. Moats, Lucas K. Hall, Kent L. Gee, Grant W. Hart, Dan P. Robinette, Emily Rice, Nadav Nur

Research has shown that anthropogenic noise influences shorebird reproductive success. Anthropogenic noise in shorebird nesting areas has been increasing over time. Rocket launches are an extreme form of anthropogenic noise, but there is a gap in our understanding of rocket launch noise and its effects on shorebirds. Vandenberg Space Force Base (VSFB) is a launch site for space vehicles located on California’s Central Coast and also supports vast breeding habitats for threatened western snowy plovers. Rockets have been launched from VSFB since 1959 when launch cadence was high. Since 2000, however, launch cadence has been historically low, but cadence has been increasing in recent years. Our objective was to determine if distance to rocket launch complexes and cadence of launches affected hatching success of individual nests, while accounting for other environmental factors. To do this, we analyzed plover nest monitoring data for the last 23 years at VSFB. Understanding rocket launch impacts on wildlife is critical because mean launch cadence over the last three years was five times higher than the previous 20 years and is expected to continue to increase.

Poster Session    Student Paper