Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape

Western North America is experiencing remarkable human population growth and land-use change. Irrigation and associated cultivation have led to colonization of urban-wildland interface (UWI) environments by mule deer (Odocoileus hemionus), and consequently, cougars (Puma concolor). In the wake of th...

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Autores principales:	David C. Stoner, Mark A. Ditmer, Dustin L. Mitchell, Julie K. Young, Michael L. Wolfe
Formato:	article
Lenguaje:	EN
Publicado:	California Department of Fish and Wildlife 2021
Materias:	gps habitat selection human-wildlife conflict mountain lion predation puma concolor urban deer urban-wildland-interface utah wildlife management Science Q
Acceso en línea:	https://doaj.org/article/ef1ef364354c41779ea39cffd1d22fa5
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spelling	oai:doaj.org-article:ef1ef364354c41779ea39cffd1d22fa52021-11-04T14:14:03ZConflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape10.51492/cfwj.hwisi.22689-4203https://doaj.org/article/ef1ef364354c41779ea39cffd1d22fa52021-11-01T00:00:00Zhttps://doaj.org/toc/2689-4203Western North America is experiencing remarkable human population growth and land-use change. Irrigation and associated cultivation have led to colonization of urban-wildland interface (UWI) environments by mule deer (Odocoileus hemionus), and consequently, cougars (Puma concolor). In the wake of these changes, human-wildlife conflicts have increased in tandem with questions about long-term species conservation. To address these concerns, we fit 79 cougars with radio-telemetry collars in the Oquirrh Mountains near Salt Lake City, Utah (2002–2010). Our goal was to evaluate variation in cougar habitat selection, diet, and cause-specific mortality in a landscape dominated by urban, military, and industrial activities. We used radio-telemetry data in concert with Resource Selection Functions to address three hypotheses: (1) that cougars would select wildland over UWI land-uses; (2) prey composition would reflect differences in land-use; and (3) mortality would be predominantly human-caused. Cougars largely selected wildland habitats associated with seasonal mule deer presence, but contrary to expectation, they also selected habitats closer to urban and mined areas. Prey composition in the UWI did not differ from wildland habitats. Domestic ungulates represented only 2% of 540 recovered prey items and were found primarily in wildlands. Native ungulates comprised > 90% of the total kill, irrespective of season or land-use, suggesting that use of UWI habitats was linked to mule deer presence. Cougar mortality was disproportionately due to natural causes in wildlands, but individuals that died of human causes in UWI habitats were more likely to be inexperienced hunters, supporting young kittens, or compromised by physical handicaps. In general, presence of mule deer was the key predictor of cougar habitat use, even in this highly disturbed, anthropogenically altered landscape. As such, management designed to reduce conflict and ensure conservation will need to focus on urban deer, land-use planning, and targeted education campaigns to reduce food subsidies.David C. StonerMark A. DitmerDustin L. MitchellJulie K. YoungMichael L. WolfeCalifornia Department of Fish and Wildlifearticlegpshabitat selectionhuman-wildlife conflictmountain lionpredationpuma concolorurban deerurban-wildland-interfaceutahwildlife managementScienceQENCalifornia Fish and Wildlife Journal, Vol 107, Iss 3, Pp 147-172 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	gps habitat selection human-wildlife conflict mountain lion predation puma concolor urban deer urban-wildland-interface utah wildlife management Science Q
spellingShingle	gps habitat selection human-wildlife conflict mountain lion predation puma concolor urban deer urban-wildland-interface utah wildlife management Science Q David C. Stoner Mark A. Ditmer Dustin L. Mitchell Julie K. Young Michael L. Wolfe Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
description	Western North America is experiencing remarkable human population growth and land-use change. Irrigation and associated cultivation have led to colonization of urban-wildland interface (UWI) environments by mule deer (Odocoileus hemionus), and consequently, cougars (Puma concolor). In the wake of these changes, human-wildlife conflicts have increased in tandem with questions about long-term species conservation. To address these concerns, we fit 79 cougars with radio-telemetry collars in the Oquirrh Mountains near Salt Lake City, Utah (2002–2010). Our goal was to evaluate variation in cougar habitat selection, diet, and cause-specific mortality in a landscape dominated by urban, military, and industrial activities. We used radio-telemetry data in concert with Resource Selection Functions to address three hypotheses: (1) that cougars would select wildland over UWI land-uses; (2) prey composition would reflect differences in land-use; and (3) mortality would be predominantly human-caused. Cougars largely selected wildland habitats associated with seasonal mule deer presence, but contrary to expectation, they also selected habitats closer to urban and mined areas. Prey composition in the UWI did not differ from wildland habitats. Domestic ungulates represented only 2% of 540 recovered prey items and were found primarily in wildlands. Native ungulates comprised > 90% of the total kill, irrespective of season or land-use, suggesting that use of UWI habitats was linked to mule deer presence. Cougar mortality was disproportionately due to natural causes in wildlands, but individuals that died of human causes in UWI habitats were more likely to be inexperienced hunters, supporting young kittens, or compromised by physical handicaps. In general, presence of mule deer was the key predictor of cougar habitat use, even in this highly disturbed, anthropogenically altered landscape. As such, management designed to reduce conflict and ensure conservation will need to focus on urban deer, land-use planning, and targeted education campaigns to reduce food subsidies.
format	article
author	David C. Stoner Mark A. Ditmer Dustin L. Mitchell Julie K. Young Michael L. Wolfe
author_facet	David C. Stoner Mark A. Ditmer Dustin L. Mitchell Julie K. Young Michael L. Wolfe
author_sort	David C. Stoner
title	Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
title_short	Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
title_full	Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
title_fullStr	Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
title_full_unstemmed	Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape
title_sort	conflict, coexistence, or both? cougar habitat selection, prey composition, and mortality in a multiple-use landscape
publisher	California Department of Fish and Wildlife
publishDate	2021
url	https://doaj.org/article/ef1ef364354c41779ea39cffd1d22fa5
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Conflict, coexistence, or both? Cougar habitat selection, prey composition, and mortality in a multiple-use landscape

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