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- W4307285429 abstract "Protected areas are important in species conservation, but high rates of human-caused mortality outside their borders and increasing popularity for recreation can negatively affect wildlife populations. We quantified wolverine (Gulo gulo) population trends from 2011 to 2020 in > 14,000 km2 protected and non-protected habitat in southwestern Canada. We conducted wolverine and multi-species surveys using non-invasive DNA and remote camera-based methods. We developed Bayesian integrated models combining spatial capture-recapture data of marked and unmarked individuals with occupancy data. Wolverine density and occupancy declined by 39%, with an annual population growth rate of 0.925. Density within protected areas was 3 times higher than outside and declined between 2011 (3.6 wolverines/1000 km2) and 2020 (2.1 wolverines/1000 km2). Wolverine density and detection probability increased with snow cover and decreased near development. Detection probability also decreased with human recreational activity. The annual harvest rate of ≥ 13% was above the maximum sustainable rate. We conclude that humans negatively affected the population through direct mortality, sub-lethal effects and habitat impacts. Our study exemplifies the need to monitor population trends for species at risk-within and between protected areas-as steep declines can occur unnoticed if key conservation concerns are not identified and addressed." @default.
- W4307285429 created "2022-10-31" @default.
- W4307285429 creator A5025717486 @default.
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- W4307285429 date "2022-10-24" @default.
- W4307285429 modified "2023-09-30" @default.
- W4307285429 title "Protection status, human disturbance, snow cover and trapping drive density of a declining wolverine population in the Canadian Rocky Mountains" @default.
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- W4307285429 doi "https://doi.org/10.1038/s41598-022-21499-4" @default.
- W4307285429 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36280695" @default.
- W4307285429 hasPublicationYear "2022" @default.
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