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Shared spaces: The influence of cattle on Andean bear occurrence

Authors: Carmen Julia Quiroga-Pacheco; Ximena Velez-Liendo; Andreas Zedrosser;

Shared spaces: The influence of cattle on Andean bear occurrence

Abstract

Livestock expansion frequently intensifies interactions between domestic animals and large carnivores, often resulting in conflict. The Andean bear (Tremarctos ornatus) is frequently associated with cattle conflict despite its predominantly herbivorous diet. We used camera-trap surveys and multiple-season occupancy modeling to evaluate spatio-temporal overlap between Andean bears and cattle (Bos taurus) in a Bolivian tropical dry forest. Single-species multi-season models quantified seasonal cattle dynamics, and two-species occupancy models assessed co-occurrence and interaction parameters. Cattle exhibited broader spatial distribution and higher naïve occupancy (0.50) than bears (0.30). Extinction and colonization probabilities varied significantly across seasons for cattle, indicating reduced wet-season landscape use. Bear occupancy and colonization probabilities were negatively associated with cattle detections, while local extinction probability increased. Two-species models revealed low conditional co-occurrence probabilities, suggesting limited sustained spatial overlap. Our results indicate that livestock presence structures Andean bear occupancy dynamics through spatial avoidance rather than predator–prey attraction. Modeling livestock as a dynamic process provides a mechanistic framework for evaluating interaction potential and may improve understanding of perceived versus ecological conflict in multi-use landscapes.

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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
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