Home range and native habitat use by free-ranging rural owned dogs in the Brazilian Cerrado

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ID: 338287
2026
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Abstract
Abstract The impacts of free-ranging rural dogs on wildlife conservation, including predation and disease transmission, vary by context, highlighting the need to assess their specific effects. This study examines home range size and native habitat use of free-ranging owned rural dogs (FRORD) within protected areas and fragments of the Cerrado biome, Brazil. We monitored each of the 105 FRORDs once over a 2-mo period using GPS collars, between August 2022 and January 2024. Home range sizes were estimated using 95% autocorrelated kernel density estimates, with predictor variables analyzed through generalized linear mixed models. Most FRORD exhibited restricted home ranges (mean = 30.74 ha), with larger home ranges correlated with dogs accompanying owners in daily activities. Native habitat use was also analyzed through generalized linear mixed models, and FRORD primarily occupied farming areas, with only 4% of locations in native habitats. Both home range size and native habitat use were associated with household-level factors, suggesting that local context plays a more important role than individual characteristics. Dog movement patterns are strongly influenced by socio-environmental contexts. These findings facilitate targeted management strategies for specific local contexts, reducing biodiversity impacts and promoting animal welfare.
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openalex_W4405123224 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Bárbara Mitsuko Zukeram Fujioka, Franciele Cândido, Maisa Panzani, Georg Heine, Martin C. Wikelski, Natalie Olifiers, Roland Kays, Rita de Cássia Bianchi
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Journal journal of mammalogy
Year 2026
DOI
10.1093/jmammal/gyag098
URL
https://doi.org/10.1093/jmammal/gyag098
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