2/22/2024 0 Comments Predator vs prey and humans![]() Our editors, journalists and reporters create independent and accurate content to help you make the right decisions. Wild Explained follows a strict editorial policy, so you can trust that our content is honest and independent. We constantly strive to provide our readers and consumers with the expert advice and tools they need to succeed throughout their life journey. Our experts, journalists and editors have been helping our readers with everyday questions and decisions for over many years. You are wondering how we make money and stay independent. ![]() Our primary goal is to provide you, our reader, with added value and to assist you with your everyday questions and purchasing decisions. Our editors and experts have years of experience in researching and writing reader-oriented content. How can we earn money and stay independent, you ask? We'll show you. You can therefore rely on the independence of our editorial team. Our authors do not receive any direct remuneration from the advertisers on our pages. To ensure that our editorial standards are not influenced by advertisers, we have established clear rules. We want to help you solve everyday problems and make the right decisions. The best advice for you - that is our greatest goal. You as a reader are the focus of our editorial work. Therefore, our specialist editorial team does not receive any direct remuneration from advertisers on our pages. We draw a clear line between our advertisers and editorial staff. Therefore, we have set editorial standards based on our experience to ensure our desired quality.Įditorial content is vetted by our journalists and editors to ensure our independence. We want to provide our readers with objective information that keeps them fully informed. The authors of Wild Explained research independent content to help you with everyday problems and make purchasing decisions easier. Therefore, you can be sure that your interests are our top priority. We urge scientist and managers to carefully consider and quantify the trait-mediated indirect effects of humans, in addition to direct effects, when assessing human impacts on wildlife and ecosystems.Wild Explained operates according to an established editorial policy. High-human activity on roads and trails (i.e., > 18 humans/day) has the potential to interfere with predator-prey interactions via trait-mediated direct and indirect effects. Our results support the hypothesis that high-human activity displaced predators but not prey species, creating spatial refuge from predation. However, predators were less abundant on roads and trails that exceeded 18 humans/day. Regression tree analysis indicated that prey species were three times more abundant on roads and trails with > 32 humans/day. Cluster and NMS analysis indicated that at camera sites humans co-occurred with prey species more than predator species and predator species had relatively low co-occurrence with prey species. We tested species co-occurrence at camera sites using hierarchical cluster and nonmetric multidimensional scaling (NMS) analyses and tested whether human activity, food and/or habitat influenced predator and prey species counts at camera sites using regression tree analysis. We measured the occurrence of eleven large mammal species (including humans and cattle) at 43 camera traps deployed on roads and trails in southwest Alberta, Canada. The purpose of this research was to test the hypothesis that high-human activity was displacing predators and thus indirectly creating spatial refuge for prey species, helping prey win the “space race”. ![]() Predator displacement by humans could then indirectly benefit prey species by reducing predation risk, a trait-mediated indirect effect of humans that spatially decouples predators from prey. ![]() In particular, high-human disturbance can displace large carnivore predators, a trait-mediated direct effect. ![]() Human activity can also influence the distribution of wildlife species. Predator-prey interactions, including between large mammalian wildlife species, can be represented as a “space race”, where prey try to minimize and predators maximize spatial overlap. ![]()
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