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Seasonal Prey Abundance and Food Plasticity of the Vulnerable Snow Leopard () in the Lapchi Valley, Nepal Himalayas. | LitMetric

AI Article Synopsis

  • Conservation strategies for snow leopards hinge on knowing their diet and prey availability, which the study explores in Nepal's Lapchi Valley from November 2021 to March 2023.
  • Data gathered from 26 camera traps and snow leopard scat analysis identified 16 potential prey species, with blue sheep being the primary wild prey, while Himalayan musk deer were abundant but less frequently consumed.
  • Seasonal food preferences were noted, indicating that snow leopards adapt their diets based on prey availability, with recommendations for genetic analysis and population assessments to enhance conservation efforts.

Article Abstract

Conservation strategies for apex predators, like the snow leopard (), depend on a robust understanding of their dietary preferences, prey abundance, and adaptability to changing ecological conditions. To address these critical conservation concerns, this study presents a comprehensive evidence on prey availability and preferences for snow leopards in the Lapchi Valley in the Nepal Himalayas from November 2021 to March 2023. Field data were collected through the installation of twenty-six camera traps at 16 strategically chosen locations, resulting in the recording of 1228 events of 19 mammalian species, including domesticated livestock. Simultaneously, the collection of twenty snow leopard scat samples over 3800 m above sea level allowed for a detailed dietary analysis. Photo capture rate index and biomass composition analysis were carried out and seasonal prey availability and consumption were statistically analyzed. A total of 16 potential prey species for the snow leopard were documented during the study period. Himalayan musk deer () was the most abundant prey species, but infrequent in the diet suggesting that are not the best bet prey for the snow leopards. Snow leopards were found to exhibit a diverse diet, consuming eleven prey species, with blue sheep () being their most consumed wild prey and horses as their preferred livestock. The Pianka's index of dietary niche overlap between the summer and winter seasons were 0.576, suggesting a pronounced seasonal variation in food preference corroborating with the prey availability. The scarcity of larger preys in winter is compensated by small and meso-mammals in the diet, highlighting the snow leopard's capacity for dietary plasticity in response to the variation in resource availability. This research suggests for the utilization of genetic tools to further explore snow leopard diet composition. Additionally, understanding transboundary movements and conducting population assessments will be imperative for the formulation of effective conservation strategies.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10603713PMC
http://dx.doi.org/10.3390/ani13203182DOI Listing

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