Use of camera traps to measure predation risk in a puma–mule deer system
2005; Wiley; Volume: 33; Issue: 1 Linguagem: Inglês
10.2193/0091-7648(2005)33[353
ISSN1938-5463
AutoresLucina Hernández, John W. Laundré, Mahesh Gurung,
Tópico(s)Rangeland and Wildlife Management
ResumoWildlife Society BulletinVolume 33, Issue 1 p. 353-358 From the Field: Use of camera traps to measure predation risk in a puma-mule deer system Lucina Hernández, Corresponding Author Lucina Hernández Lucina Hernández (right) is a senior investigator in the Durango Regional Center of the Instituto de Ecologia, A.C., Durango, Mexico. She received her bachelor's degree in biology at the National Autonomous University of Mexico and her masters and doctorate degrees in ecology at the National Polytechnic Institute, Mexico. She has been past director of the Man and the Biosphere (MAB) Mapimi Biosphere Reserve in the Chihuahuan desert and is currently the coordinator of the Durango Regional Center. Her research interests are in predator-prey interactions and the effects of herbivores on the Chihuahuan desert ecosystem. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this authorJohn W. Laundré, Corresponding Author John W. Laundré John W. Laundré (left) is a senior investigator in the Durango Regional Center of the Instituto de Ecologia, A.C. He received his bachelor's degree in environmental sciences from the University of Wisconsin-Green Bay, his masters degree in biology at Northern Michigan University, and his doctorate in ecology at Idaho State University. His main research interests are in large mammalian predator-prey relationships and optimal foraging strategies of prey and their predators. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this authorMahesh Gurung, Corresponding Author Mahesh Gurung Mahesh Gurung is a faculty member at Truman College in Chicago, Illinois. Mahesh received his doctorate degree from the University of Illinois at Chicago, where he worked on predator-prey relationships between snow leopards and blue sheep in his homeland of Nepal. He continues being interested in predator-prey relationships and foraging theory relative to predation risk. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this author Lucina Hernández, Corresponding Author Lucina Hernández Lucina Hernández (right) is a senior investigator in the Durango Regional Center of the Instituto de Ecologia, A.C., Durango, Mexico. She received her bachelor's degree in biology at the National Autonomous University of Mexico and her masters and doctorate degrees in ecology at the National Polytechnic Institute, Mexico. She has been past director of the Man and the Biosphere (MAB) Mapimi Biosphere Reserve in the Chihuahuan desert and is currently the coordinator of the Durango Regional Center. Her research interests are in predator-prey interactions and the effects of herbivores on the Chihuahuan desert ecosystem. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this authorJohn W. Laundré, Corresponding Author John W. Laundré John W. Laundré (left) is a senior investigator in the Durango Regional Center of the Instituto de Ecologia, A.C. He received his bachelor's degree in environmental sciences from the University of Wisconsin-Green Bay, his masters degree in biology at Northern Michigan University, and his doctorate in ecology at Idaho State University. His main research interests are in large mammalian predator-prey relationships and optimal foraging strategies of prey and their predators. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this authorMahesh Gurung, Corresponding Author Mahesh Gurung Mahesh Gurung is a faculty member at Truman College in Chicago, Illinois. Mahesh received his doctorate degree from the University of Illinois at Chicago, where he worked on predator-prey relationships between snow leopards and blue sheep in his homeland of Nepal. He continues being interested in predator-prey relationships and foraging theory relative to predation risk. Instituto de Ecologia, A.C., Km 5 Carr. a Mazatlán, 34100, Durango, Dgo, Mexico; e-mail for Hernández: [email protected]; e-mail for Laundré: [email protected] Truman College, 1145 W. Wilson Ave, 60640, Chicago, IL, USA.Search for more papers by this author First published: 13 December 2010 https://doi.org/10.2193/0091-7648(2005)33[353:FTFUOC]2.0.CO;2Citations: 19 AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Previous work indicated that automated camera traps may be useful in estimating predation risk among different microhabitats for mule deer (Odocoileus hemionus). We tested the prediction that the number of photographs taken by automated camera traps was inversely related to the amount of food left by deer in feeding boxes or giving up densities (GUDs). We positioned camera traps adjacent to standard mule deer feeding boxes placed in open and edge microhabitats of 3 forest types: Douglas-fir (Pseudotsuga menziesii), juniper (Juniperus osteosperma), and mountain mahongany (Cercocarpus ledifolius). We compared number of photographs taken with daily GUDs for the boxes for the 2 microhabitats. We found that GUD data of our study coincided with the previous work of lower GUDs in open versus edge microhabitats for Douglas-fir (288.6±17.1 g vs. 389.6±19.4 g; P < 0.001) and juniper (218.9±26.3 g vs. 251.9±29.6 g, P=0.027) but not for mountain mahogany (272.4±29.5 g vs. 287.0±32.3 g, P=0.414). We also found significantly more total photos/camera taken in open microhabitat versus edge microhabitat in Douglas-fir (16.2±2.2 vs. 7.4±1.5; P=0.004). More photos/camera were taken in the open versus edge in the juniper forest type (15.6±3.9 vs. 11.5±3.9), but the difference was not significant. There was no difference in photos/camera between the 2 microhabitats in the mountain mahogany (18.4±3.4 vs. 19.3±1.9). Total number of photos/day/box also was significantly related to the GUDs for the 3 forest types (P=0.002–0.008). The amount of variability explained by regression equations (r2adjusted) ranged from 22% for Douglas-fir to 29% for juniper. We concluded that the total number of photographs taken does reflect the results of GUD analysis and that automated camera traps could be used to assess predation risk among different microhabitats. Literature cited Altendorf, K. B. 1997. Assessing the impact of predation risk by mountain lions (Puma concolor) on the foraging behavior of mule deer (Odocoileus hemionus). Thesis, Idaho State University, Pocatello, USA. Altendorf, K. B., J. W. Laundré, C. A. L*ez Gonz*ez, and J. S. Brown. 2001. Assessing effects of predation risk on foraging behavior of mule deer. Journal of Mammalogy 82: 430–439. Brown, J. S. 1988. Patch use as an indicator of habitat preference, predation risk, and competition. Behavioral Ecology and Sociobiology 22: 37–47. Brown, J. S. 1992. Patch use under predation risk: I, Models and predictions. Annales Zoologici Fennici 29: 301–309. Kotler, B. P., J. E. Gross, and W. A. Mitchell. 1994. Applying patch use to assess aspects of foraging behavior in Nubian ibex. Journal of Wildlife Management 58: 299–307. Laundré, J. W., and L. Hern*dez. 2002. Growth curve models and age estimation of young cougars in the northern Great Basin. Journal of Wildlife Management 66: 849–858. Laundré J. W., and L. Hern*dez. 2003. Winter hunting habitat of pumas Puma concolor in northwestern Utah and southern Idaho, USA. Wildlife Biology 9: 123–129. Laundré, J. W., L. Hern*dez, D. Streubel, K. Altendorf, and C. L*z Gonz*z. 2000. Aging mountain lions using gum-line recession. Wildlife Society Bulletin 28: 963–966. Citing Literature Volume33, Issue1April 2005Pages 353-358 ReferencesRelatedInformation
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