Sierra Nevada Aquatic Research Laboratory

12 May, 08 AM - 15 Sep, 05 AM

A central challenge facing ecology is explaining how and why the outcomes of multispecies interactions vary in space. My research explores how spatial structure and dispersal traits contribute to the spatial variance in the outcomes of gall food web on sagebrush (Artemisia tridentata). A univoltine tephritid fly, Eutreta diana, develops in woody galls on sagebrush stems. Three parasitoid wasp species (identifications pending) commonly parasitize the fly larvae. Insectivorous birds, including the white-crowned sparrow (Zonotrichia leucophrys), commonly peck open the galls and consume the larval inhabitant, E. diana or its parasitoids. The relative abundances of these species vary within sagebrush patches and from patch to patch. My research aims to explain the sources of this variance.

Visit #20375 @Sierra Nevada Aquatic Research Laboratory

Approved

Under Project # 21086 | Research

Spatial ecology of an insect gall food web

graduate_student - University of California, Davis

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William Wetzel May 12 - Sep 15, 2010 (127 days)

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Office 1 May 12 - Sep 15, 2010