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Consumption of carnivores by wolves [Elektronski vir] : a worldwide analysis of patterns and driversMartins, Inês ...The occurrence of carnivore species in wolf diet has been overlooked and poorly studied despite the potential implications for wolf ecology and wildlife management. We conducted an extensive ... literature review, focusing on 120 wolf diet studies worldwide to assess global patterns of carnivore consumption by wolves and their ecological and human-related determinants. We used a total of 143 sampling sites with data on the consumption of carnivores by wolves. In total, 35 carnivore species were reported to be consumed by wolves, comprising members of all taxonomic carnivore families represented within the gray wolf range. The carnivores were mostly limited to occasional consumption (<5% of wolf diet) but could account for as much as 25% in some study areas. The most frequently consumed carnivore species were those with reported scavenging behavior, belonging to medium-sized generalist canids. Generalized linear model (GLM) analysis revealed that higher magnitudes of carnivore consumption were related to nonprotected areas as well as lower occurrences of wild ungulates, domestic ungulates, and small mammals in wolf diet, while higher numbers of consumed carnivore species were related to nonprotected areas with low vegetation productivity and lower occurrences of domestic ungulates and small mammals in wolf diet. Our results suggest that carnivore consumption by wolves is driven by altered ecosystems and human-dominated landscapes, where mesopredator densities are often increased and prey densities decreased, which intensify competition and the need for alternative food sources.Source: Diversity [Elektronski vir]. - ISSN 1424-2818 (Vol. 12, iss. 12, article 470, 2020, 17 str.)Type of material - e-articlePublish date - 2020Language - englishCOBISS.SI-ID - 43772163
Author
Martins, Inês |
Krofel, Miha |
Mota, Paulo G. |
Álvares, Francisco
Topics
Canis lupus |
tekmovanje |
domači psi |
medvrstno plenjenje |
mezoplenilci |
globalni pregled |
Canis lupus |
competition |
domestic dog |
interspecific killing |
mesopredators |
worldwide review
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Database name | Field | Year |
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Martins, Inês | |
Krofel, Miha | 29816 |
Mota, Paulo G. | |
Álvares, Francisco |
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