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Extinction and colonization of birds on habitat islands.

abstract1 (full description below): 2001. Conservation Biology 15:159-172.
habitat islands.. PDF/Acrobat file     Crooks, K. R., A. V. Suarez, D. T. Bolger, and M. E. SoulĂ©.

Abstract Exerpt: We used point-count and transect surveys to estimate the distribution and abundance of eight scrub-breeding bird species in Southern California. Fragment size, and, to a lesser extent, fragment age were the most important extrinsic factors determining extinction and colonization. (Abstract Secured.)