The effects of urbanization on habitat use by the Big Brown Bat, Eptesicus fuscus
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Habitat use by populations of the Big Brown Bat, Eptesicus fuscus, was compared in urban and rural areas using ultrasonic sensors. Field work was conducted in eastern Ontario and western Quebec in the summer of 1981. Rural E.fuscus foraging activity was concentrated in residential zones, with high activity also occurring over water. Activity was low over rural parkland and farmland. Urban habitats did not show significant differences in levels of E. fuscus foraging activity, although the overall foraging rate was lower in the urban environment than in the rural.The movements of individual Big Browns were monitored using radio telemetry. Tagged E. fuscus from both urban and rural environments used more than one diurnal roost; the possible adaptive value of roost switching for E.fuscus is discussed.The consequences of urbanization for an insectivorous temperate-zone bat species are considered, with emphasis on differential prey availability and roost availability in urban and rural areas.
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This work is available on request. You can request a copy at https://library.carleton.ca/forms/request-pdf-copy-thesis
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Copyright © 1983 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 1983
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