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Thesis Abstract – Ogle (2002)

Title:

Application of Island Biogeographic Principles: A Comparison of Insect and Avian Diversity between Oak Patches

Author and college:

Margaret Ogle, Pitzer College

Date:

April 29, 2002

Degree:

Bachelor of Arts

Advisor:

Dan Guthrie, Joint Science Department of Claremont McKenna, Pitzer, and Scripps Colleges

Abstract:

Island biogeographic theory can be applied to habitat patches. I completed a two-semester senior thesis on the application of island biogeography to oak patches by comparing insect and bird diversity between and within patches of coast live oak (Quercus agrifolia) on the Bernard Biological Field Station and the Pomona College campus. Bird diversity was determined by passive observation, and insect diversity was determined by collecting with glue boards tied to oak trees and from leaf litter via Berlese funnel. There were significant differences in insect diversity between patches of oak on the Bernard Field Station and the Pomona College Wash with the Bernard Field Station hosting higher insect diversity. Further study is needed to determine whether the small microcosm of oal patches function as islands under the principles of island biogeographic theory.

For more information:

Contact Velda Ross – vross@kecksci.claremont.edu