Julie Howar

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Krill (Euphausiids) play a vital ecosystem role in many of the world's most productive marine regions, providing an important trophic linkage. We introduce a robust modeling approach to link Cassin's auklet (Ptychoramphus aleuticus) abundance and distribution to large-scale and local oceanic and atmospheric conditions and relate these patterns to similarly(More)
Understanding seabird habitat preferences is critical to future wildlife conservation and threat mitigation in California. The objective of this study was to investigate drivers of seabird habitat selection within the Gulf of the Farallones and Cordell Bank National Marine Sanctuaries to identify areas for targeted conservation planning. We used seabird(More)
Seabird aggregations at sea have been shown to be associated with concentrations of prey. Previous research identified Central California as a highly used foraging area for seabirds, with locally breeding seabirds foraging close to their colonies on Southeast Farallon Island. Herein, we focus on nonresident (i.e. non-locally breeding) seabird species off of(More)
EXECUTIVE SUMMARY PRBO Conservation Science (PRBO) conducted analyses and developed predictive models to identify areas that support aggregations of foraging seabirds (" hotspots ") and to inform Marine Spatial Planning (MSP) in the California Current System (CCS). We developed habitat associations for 16 species of seabirds using information from at-sea(More)
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