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Declarative Information Extraction in a Probabilistic Database System



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Mesocarnivore responses to changes in habitat and resource availability in California by Allison Lynn Bidlack B S University of Michigan 1992 M S University of Alaska Fairbanks 2000 A dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of Philosophy in Environmental Science Policy and Management in the Graduate Division of the University of California Berkeley Committee in charge Professor Wayne M Getz Co Chair Professor Adina M Merenlender Co Chair Professor Wayne P Sousa Fall 2007 Mesocarnivore responses to changes in habitat and resource availability in California Copyright 2007 by Allison Lynn Bidlack ABSTRACT Mesocarnivore responses to changes in habitat and resource availability in California by Allison Lynn Bidlack Doctor of Philosophy in Environmental Science Policy and Management University of California Berkeley Professor Wayne M Getz Co Chair Professor Adina M Merenlender Co Chair Effective conservation of mammalian carnivores requires knowledge of their ecologies in both natural and altered habitats especially in regions experiencing substantial human population growth The research presented in this dissertation addresses the relationship between carnivores and habitat change and investigates the magnitude of temporal and spatial population fluctuations and the processes behind them in both natural and urbanizing systems To examine these fluctuations in carnivore populations and the contribution of long term studies to our understanding of these changes over time I compared San Joaquin kit fox population numbers with rainfall and prey data collected over 35 years on the Carrizo Plain California Seasonal rainfall levels were a poor predictor of interannual kit fox numbers although I did find a correlation between fox numbers and jackrabbit numbers over time A spatial congruence between giant kangaroo rat distribution and kit fox distribution was also evident and both species appeared to be expanding their ranges



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