Predation Risk Affects Reproductive Physiology and Demography of Elk
Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2007-02, Vol.315 (5814), p.960-960 |
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| creator | Creel, Scott Christianson, David Liley, Stewart Winnie, John A. Jr |
| description | Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations studied for 16 site years showed that progesterone concentrations (from 1489 fecal samples) declined with the ratio of elk to wolves. In turn, progesterone concentrations were a good predictor of calf recruitment in the subsequent year. Together, these data suggest that wolves indirectly affect the reproductive physiology and the demography of elk through the costs of antipredator behavior. |
| doi_str_mv | 10.1126/science.1135918 |
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Jr</creator><creatorcontrib>Creel, Scott ; Christianson, David ; Liley, Stewart ; Winnie, John A. Jr</creatorcontrib><description>Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations studied for 16 site years showed that progesterone concentrations (from 1489 fecal samples) declined with the ratio of elk to wolves. In turn, progesterone concentrations were a good predictor of calf recruitment in the subsequent year. Together, these data suggest that wolves indirectly affect the reproductive physiology and the demography of elk through the costs of antipredator behavior.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1135918</identifier><identifier>PMID: 17303746</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington, DC: American Association for the Advancement of Science</publisher><subject>Anatomy & physiology ; Animal and plant ecology ; Animal behavior ; Animal populations ; Animal reproduction ; Animal, plant and microbial ecology ; Animals ; Biological and medical sciences ; Brevia ; Calves ; Canis lupus ; Cervus elaphus ; Creels ; Deer - physiology ; Demecology ; Demography ; Ecology ; Ecosystem ; Elk ; Elks ; Enzyme-Linked Immunosorbent Assay ; Feces ; Female ; Fundamental and applied biological sciences. Psychology ; Male ; Mammalia ; Population Dynamics ; Population growth ; Predation ; Predatory Behavior ; Progesterone - metabolism ; Reproduction - physiology ; Urogenital physiology ; Vertebrata ; Winter ; Wolves</subject><ispartof>Science (American Association for the Advancement of Science), 2007-02, Vol.315 (5814), p.960-960</ispartof><rights>Copyright 2007 American Association for the Advancement of Science</rights><rights>2007 INIST-CNRS</rights><rights>Copyright American Association for the Advancement of Science Feb 16, 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c587t-be542d1e89106dfdd6f6fb6a1b93a81ee8015fe2d67c0c0225f85e71c8c50ae93</citedby><cites>FETCH-LOGICAL-c587t-be542d1e89106dfdd6f6fb6a1b93a81ee8015fe2d67c0c0225f85e71c8c50ae93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/20039005$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/20039005$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,2871,2872,27901,27902,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18556875$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17303746$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Creel, Scott</creatorcontrib><creatorcontrib>Christianson, David</creatorcontrib><creatorcontrib>Liley, Stewart</creatorcontrib><creatorcontrib>Winnie, John A. 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| ispartof | Science (American Association for the Advancement of Science), 2007-02, Vol.315 (5814), p.960-960 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy; MEDLINE |
| subjects | Anatomy & physiology Animal and plant ecology Animal behavior Animal populations Animal reproduction Animal, plant and microbial ecology Animals Biological and medical sciences Brevia Calves Canis lupus Cervus elaphus Creels Deer - physiology Demecology Demography Ecology Ecosystem Elk Elks Enzyme-Linked Immunosorbent Assay Feces Female Fundamental and applied biological sciences. Psychology Male Mammalia Population Dynamics Population growth Predation Predatory Behavior Progesterone - metabolism Reproduction - physiology Urogenital physiology Vertebrata Winter Wolves |
| title | Predation Risk Affects Reproductive Physiology and Demography of Elk |
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