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Doctoral thesis . 2022
License: CC BY
https://dx.doi.org/10.26190/un...
Doctoral thesis . 2022
License: CC BY
Data sources: Datacite
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Human-carnivore conflict: livestock resource selection, predation, and signal-based mitigation

Authors: Radford, Cameron;

Human-carnivore conflict: livestock resource selection, predation, and signal-based mitigation

Abstract

Human-carnivore conflicts occur globally and are a leading cause of carnivore population declines. Such conflicts usually occur when carnivores predate livestock and can include preemptive and retaliatory killing of carnivores by livestock farmers. In northern Botswana, livestock farming is a widespread and culturally important practice. Subsistence farming enterprises commonly abut protected areas, and human-carnivore conflicts are common. Understanding interactions between livestock and carnivores, and how livestock use resources and habitats generally, are important components to managing these conflicts. Throughout this thesis, I explore human-carnivore conflict in northern Botswana. I found that livestock resource selection and predation vary seasonally and spatially in relation to ecological and anthropogenic features in the landscape. Predation sites are subsequently avoided by cattle in the short-term, but not by goats. Contemporary mitigation to minimise livestock predation events commonlyincludes lethal control and broadscale exclusion by artificial barriers and aversive interventions, yet naturally occurring deterrent signals fine-tuned through evolution are rarely considered. Lions roar to deter conspecifics from territorial boundaries, which prey and subordinate carnivores eavesdrop on and modify their movement and behaviour in response. I used lion vocalisations to understand livestock (prey) responses to this apexcarnivore and to test how effective roars are in deterring lions and other carnivores. Using a high-tech experimental approach, I found that (1) cattle avoid lion vocalizations, while goats do not, and (2) lions are not deterred by lion roars played-back from Remotely Operated Acoustic Repellent stations (ROARs), nor are other human-carnivore conflict species occurring in the area. Finally, I used a commonly occurring anti-predator signal in nature,demonstrating that artificial eyespots painted on cattle rumps deter lions from attacking cattle. Collectively, the results from my thesis can be used to better manage livestock in a landscape of risk, and to promote human-carnivore coexistence by deterring predation. Applications derived from my thesis to promote human-carnivore coexistence can be used across Africa and the globe.

Country
Australia
Related Organizations
Keywords

570, predator-prey interactions, anti-predator signals, animal signals, human-carnivore conflict, 310301 Behavioural ecology, resource selection, 630, signal-based mitigation, 410401 Conservation and biodiversity, large carnivores, anzsrc-for: 410401 Conservation and biodiversity, carnivore-livestock conflict, anzsrc-for: 310308 Terrestrial ecology, territoriality signals, 310308 Terrestrial ecology, anzsrc-for: 310301 Behavioural ecology

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green