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Urban Bird Ecology and Conservation$
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Christopher A. Lepczyk and Paige S. Warren

Print publication date: 2012

Print ISBN-13: 9780520273092

Published to California Scholarship Online: May 2013

DOI: 10.1525/california/9780520273092.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2019. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 23 October 2019

Using Gradient Analysis to Uncover Pattern and Process in Urban Bird Communities

Using Gradient Analysis to Uncover Pattern and Process in Urban Bird Communities

Chapter:
(p.8) (p.9) Chapter Two Using Gradient Analysis to Uncover Pattern and Process in Urban Bird Communities
Source:
Urban Bird Ecology and Conservation
Author(s):

Derric N. Pennington

Robert B. Blair

Publisher:
University of California Press
DOI:10.1525/california/9780520273092.003.0002

Understanding the processes that create repeatable patterns in urban bird distributions is a challenge that requires investigation at multiple spatial, temporal, and biological scales. Based upon our research of urban systems in California and Ohio, we demonstrate how gradient analysis is a useful tool for understanding both fine- and coarse-scaled processes. We also explore how life-history characteristics permit some species to utilize and even thrive in urban areas, while others cease to exist. Finally, we provide recommendations to improve our understanding of urban bird communities using gradient analyses and emphasize the need to derive a common framework that incorporates the ecological and social heterogeneity of urban systems.

Keywords:   community, demographics, gradient analysis, migration, urbanization, urban-rural gradient, scale, stopover

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