ArticleScientific reports2019
Subsidies from anthropogenic resources alter diet, activity, and ranging behavior of an apex predator (Canis lupus).
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
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- Influence of Human Hunting Strategies and Large Carnivore Presence on Population Dynamics of European Facultative Scavengers.Ecology and evolution · 2024Article
- Spatial overlap of gray wolves and ungulate prey changes seasonally corresponding to prey migration.Movement ecology · 2024Article
- Tradeoffs between resources and risks shape the responses of a large carnivore to human disturbance.Communications biology · 2023Article
- A human-neutral large carnivore? No patterns in the body mass of gray wolves across a gradient of anthropization.PloS one · 2023Article
- The spatial and temporal exploitation of anthropogenic food sources by common ravens (Corvus corax) in the Alps.Movement ecology · 2022Article
- Variable effects of wolves on niche breadth and density of intraguild competitors.Ecology and evolution · 2022Article
- Occurrence patterns of crop-foraging sika deer distribution in an agriculture-forest landscape revealed by nitrogen stable isotopes.Ecology and evolution · 2021Article
- Interference competition between wolves and coyotes during variable prey abundance.Ecology and evolution · 2021Article
- Human disturbance, preys and refuge cover shape top predator movements in anthropogenic landscapes.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
4 authors.
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Abstract
Acquisition of resources can be costly and individuals are predicted to optimize foraging strategies to maximize net energy gain. Wolves (Canis lupus) would be expected to scavenge on subsidies from anthropogenic resources when these resources provide an energetic benefit over the capture of wild prey. We examined the effects of subsidies from anthropogenic resources in the form of livestock carcass dumps (LCDs) on wolf space use, activity, tortuosity, and diet in portions of North America's northern hardwood/boreal ecosystem. We fitted 19 wolves with global positioning system collars during May-August of 2009-2011 and 2013-2015. Wolves with LCDs within their home ranges used areas adjacent to LCDs greater than non-LCD sites and had decreased home ranges and activity as compared to wolves without LCDs in their home ranges. Additionally, cattle comprised at least 22% of wolf diet from scavenging in areas with LCDs present as compared to no cattle in the diet of wolves without access to LCDs. Subsidies from anthropogenic resources in the form of LCDs can serve as attractants for wolves and alter wolf diet, activity, and ranging behavior. Apex predators may alter their behavior where subsidies from anthropogenic resources occur and management of these subsidies should be considered when attempting to reduce the impacts of humans on wolf behavior.
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