Category: Journal Article

Please find details below of a new article added to our Bibliography:

Title: Understanding multiple pathways of the impacts of socio-­ economic shocks on large carnivores

Author: Murali, R., Adabaeva, A., AnMuralgulo, S., Arispe, R., Baumann, M., Ghoddousi, A., Hamidi, A. K., Jansen, M., Khalatbari, L., Khorozyan, I., Maillard, O., Muller, D., Munoz, A. R., Rosen, T., Rumiz, D., Soshin, A., Yusefi, G. H., Kummerle, T.

Abstract: 1. Large carnivores are ecologically, economically and socially important, but they are also among the most threatened species worldwide. These species face numerous threats, most importantly habitat transformation, prey depletion and hunting. All of these threats could be exacerbated by socio-­ economic shocks—such as financial crises, wars, pandemics or political regime shifts—that can cause sudden and
structural changes in social-­ ecological systems. However, the different pathways through which such shocks impact large carnivores are unclear.
2. Here, we used a social-­ ecological systems approach to build a conceptual framework that investigates these pathways. We used expert workshops and case-­ specific, narrative literature reviews to illustrate this framework for three cases: (1) impacts of economic sanctions on the Asiatic cheetah (Acinonyx jubatus venaticus) in Iran, (2) impacts of global commodity price shocks on the jaguar (Panthera onca) in Bolivia and (3) impacts of the collapse of the Soviet Union on the snow leopard (P. uncia) in Kyrgyzstan.
3. We found that conservation and agricultural institutions were crucial for carnivore conservation, despite the different nature of the shocks and the different socio-­ economic settings across cases. We identified linkages between carnivore conservation and the global economy at the levels of nations and communities,
which increased the vulnerability of carnivores to shocks.
4. Our cases highlighted the need to proactively create resilient institutions focused on local capacity building, enhancement of social stability and built on internal motivations for conservation, to secure the future of large carnivores in turbulent times.

URL: https://snowleopardnetwork.org/b/show.php?record=1787

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Title: Community-Based Snow Leopard Monitoring through Mobile Technology

Author: Pratihast, A. K., Sharma, N., Cappello, C., Schlueter, J., van Eupen, M., Subedi, A., Tymofeiev, I., Kaupisch, K., Subedi, N.

Abstract: The snow leopard (Panthera uncia), a flagship species of high-altitude ecosystems, faces critical threats, including human-wildlife conflict driven by livestock depredation. We developed a community-based snow leopard monitoring system in Nepal’s Nar and Phu Valley, integrating mobile-based tools for data collection and conflict mitigation. Using the mobile app, local communities documented 483 snow leopard observations (e.g., footprints) between 2023 and 2024. Additionally, we found that the majority of the existing 91 livestock corrals lacked protection from predators. In response, we constructed eight predator-proof corrals to improve
livestock protection. A total of 21 herders filed applications to claim livestock loss compensation, demonstrating the utility of our app to facilitate conflict management efforts. The app usage rate has increased over the years, but challenges like limited mobile connectivity in remote areas and the need for continuous training and local engagement remain to improve its long term uptake. The findings contribute to strategies aimed at reducing human-snow leopard conflicts while fostering coexistence.

URL: https://snowleopardnetwork.org/b/show.php?record=1786

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Title: Evaluating snow leopard population connectivity: is Kazakhstan a bridge for gene flow between the northern and southwestern range?

Author: Miroslav, P. K., Grachev, A. A., Poyarkov, A. D., Saparbayev, S. K., Hernandez-Blanco, J. A., Bespalov, S. V., Bespalov, M. V., Baidavletov, Y. R., Alexandrov, D. Y., Karnaukhov, A. S., Malykh, S. V., Munkhtsog, B., Bayaraa, M., Rozhnov, V. V.

Abstract: The number of studies on snow leopard (Panthera uncia) ecology has surged dramatically over the past few decades. However, despite this increase, many essential aspects of the species biology, which are critical for shaping effective conservation and management strategies, remain poorly understood. A particularly crucial area of research is the population connectivity and genetic structure of snow leopards across their naturally fragmented range. In our study, we focused on the Dzungarian region, specifically Kazakhstan, which has been repeatedly identified as a potentially significant area of connectivity between the southwestern and northern portions of the snow leopard range. We analyzed 54 sequences of mtDNA control region and 73 individual microsatellite multilocus genotypes of snow leopards from Russia, Mongolia, Kyrgyzstan, Tajikistan, and Kazakhstan to recognize both historical and recent signatures of gene flow between the major fragmented regions of the species’ distribution. Our results confirm the Dzungarian region’s role as a crucial area of connectivity between the core and northern populations, thereby providing empirical support for prior habitat- and connectivity-model predictions. However, we did not find clear evidence to unambiguously identify whether Kazakhstan or Chinese Xinjiang serves as the primary corridor linking these two fragmented parts of the snow leopard range. Further research efforts are needed to gain a comprehensive understanding of population connectivity in this focal region. Considering the Dzungarian region’s potential to support gene flow between the two major portions of the snow leopard range, conservation strategies should prioritize the preservation of habitats that can function as “stepping stones” to facilitate migration between the Tian Shan and the northern populations in Mongolia and Russia.

URL: https://snowleopardnetwork.org/b/show.php?record=1785

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Title: Snow Leopards: What’s Next?

Author: Lovari, S., Ferretti, F.

Abstract: In 2003–2023, the number of papers on snow leopards has grown by a 20‐fold increase. An important missing topic has been the variation of ecological parameters because of the ongoing meteorological change and the relevant effects on leopard food resources, i.e. distribution and numbers of wild herbivores. Also, information on prey populations from camera‐traps set for leopards requires caution: in fact, meso-large carnivores and herbivores use the habitat differently. Questionnaire methodology deserves attention, too.

URL:  https://snowleopardnetwork.org/b/show.php?record=1784

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Title: Searching for a needle in a haystack: Population estimation of snow leopards in the western Mongolian Altai by means of camera-trapping

Author: Augugliaro, C., Atzeni, L., Rovero, F., Rosembaum, B., Munkhtsog, B., Monti, I. E., Ciaramella, D., Christe, P., Zimmermann, F.

Abstract: Apex carnivores such as the snow leopard are notoriously difficult to monitor, and gathering abundance data presents technical and analytical challenges. Such information is scarce for the snow leopard (Panthera uncia), which is threatened by habitat degradation, decline of wild prey, and retaliatory killing. With this study, we fill a knowledge gap by conducting camera-trapping surveys in two national parks (NPs) and one Strictly Protected Area (SPA) in previously under-surveyed habitats in the western Mongolian Altai. We report low detection rates in the two NPs, respectively 14 detections in the Silkhem-B (513 km2) and two detections in Tavan Bogd (720 km2), preventing us from adopting spatial capture-recapture frameworks (SCR). In the Khork Serkhe SPA, we surveyed an area of 811 km2 and tested the effect of elevation on the density parameter (D) and explored relationships between the encounter probability (λ0) and the ranging parameter (σ) with behavioral, topographical, and biotic covariates. We also evaluated the effect of topography in determining movements across activity centers. We obtained 32 detection events of 10 adult snow leopards. Snow leopard density (95 % CI) estimates from the first two top models were 0.93 (0.45–1.8) and 0.92 (0.48–1.9) individuals/100 km2. Density from the best models was weakly dependent on elevation. Baseline encounter probability varied with the behavioral response covariate (bk), indicating changes in detection probability after initial capture, and activity centers were influenced by ruggedness. This study represents an additional effort toward establishing robust density data for the elusive and threatened snow leopard, confirming previous observations of low densities in the Westernmost Altai Mountains. By providing site-specific population estimates in this area, it contributes to the PAWS initiative, enhancing our understanding of snow leopard population densities and distribution in this critical part of their range.

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Title: Population genetic structure of snow leopards (Panthera uncia) in Bhutan and connectivity with regional populations

Author: Dhendup, T., Robinson, J. J., Sorger, G., Wangdi, S., Hacker, C., Yuguang, Z., Janecka, J. E.

Abstract: Bhutan supports a globally important snow leopard (Panthera uncia) population, with recent surveys indicating an increase in population size. To better understand this population, a nationwide survey conducted from 2022 to 2023 combined camera-trapping and non-invasive genetic sampling of scat to estimate abundance and population connectivity. Among 184 collected scat samples, genetic analysis using eight microsatellite markers and the sex-determining region Y identified 21 unique individuals, with a sex ratio skewed towards females (two females per male). Measures of genetic diversity and population connectivity were collected through the genotyping of 21 additional microsatellite loci in 16 individuals. While moderate genetic diversity was observed (HO =0.466 ±0.039, HE =0.496 ±0.034), no distinct population clusters were detected in the sampled population. On a regional scale, snow leopards from Bhutan share the most connectivity with populations in Nepal and Tibet
rather than Qinghai, China, with evidence of dispersal events from Bhutan into Nepal and Tibet, China. Bhutan’s role as a potential source population for Nepal and Tibet underscores the importance of maintaining connectivity across protected areas in the region.

URL: https://snowleopardnetwork.org/b/show.php?record=1782

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Title:  Snow leopard prey selection on the mountain-adapted ibex: seasonal switching between prime-aged males and newborn kids

Author:  Johansson, O., Mishra, C., Lkhagvajav, P., Samelius, G., Alexander, J. S., Low, M.

Abstract: Predator–prey interactions occur within the context of relative prey abundance, the nutritional value of prey individuals, and their specific vulnerability to predation. Predation patterns can therefore be expected to vary between seasons, age and sex categories, with this variation important for understanding predator–prey ecology. We examined seasonal prey selection by snow leopards (Panthera uncia) on different age and sex categories of Siberian ibex (Capra sibirica) using data collected from 150 kill sites. These were analysed in relation to known ibex population composition using Jacobs’ index, which estimates the strength and direction of prey preference or avoidance. Although solitary felids typically select prey of similar or smaller size than themselves, both male and female snow leopards selected for prime-aged ibex males (>5 years old), despite these being at least twice their body mass. Female ibex, yearlings and medium-sized males, which are similar in size to snow leopards, were preyed upon less than expected. In spring, snow leopards increased their prey selection of females and newborn kids, and reduced their selection of prime males. Our results suggest that the vulnerability of ibex to snow leopard predation is related to their agility in negotiating steep mountain terrain. We propose that the much larger body size of prime-aged ibex males reduces their ability to evade snow leopard ambushes on mountain slopes. In spring, the switch to predation on kids likely relates to the ease of hunting because of their lower agility, with a similar explanation for increased predation on females in late gestation. This seasonal switching between different prey categories, and the snow leopard’s specialisation to hunt in steep mountainous terrain, may impose limits on sexual size dimorphism commonly seen in other large felids. In contrast, the vulnerability of prime-aged ibex males to snow leopard predation may reflect a sexually selected handicap, imposed by high sexual size dimorphism.

URL:  https://snowleopardnetwork.org/b/show.php?record=1781

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Title: Decades of leopard coexistence in the Himalayas driven by ecological dynamics, not climate change

Author: Singh, P. B., Saud, P., Aryal, P. C., Rai, P., Muntifering, J. R., Hu, H., Karki, A., Hu, Y., Mainali, K. P.

Abstract: The interaction between two predators in overlapping habitats with distinct habitat requirements poses critical challenges for conservation and management strategies. This study explores the ecological dynamics and coexistence of common leopards (Panthera pardus) and snow leopards (Panthera uncia) in the Himalayan regions, explicitly focusing on their spatial and temporal distribution as well as factors influencing their habitat overlap. Utilizing historical accounts dating back to the 1950s and our winter sighting data from trail cameras from 2016 to 2023 in the trans-Himalayan part of Annapurna Conservation Area of Nepal (3100–4696 m), we provide substantial evidence of the common leopard’s established residency at high altitudes traditionally associated with snow leopards. This challenges the notion that the co-occurrence of these species is a recent phenomenon attributable to climate change. Instead, our findings suggest a long-term adaptation of common leopards to high-altitude environments, demonstrated by their ability to survive and breed in cold temperatures as low as − 18◦C. We show that the likelihood of co-occurrence of the two leopard species increases with proximity to open forest canopy, farmland and greater distances from snowline. In contrast, steep terrain negatively impacted the likelihood of co-occurrence, highlighting the snow leopard’s specialized adaptations to rugged landscapes. Our analysis reveals a considerable overlap between common and snow leopards in sub-alpine mixed forest and alpine scrub. This overlap extends to dietary habits along the altitudinal range, with both species preying on similar wild and domestic animals, highlighting the potential for interspecies competition, especially during the winter months when prey availability decreases.

URL: https://snowleopardnetwork.org/b/show.php?record=1780

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Title: Exploring sustainability in trophy hunting practices at Dhorpatan Hunting Reserve, Nepal: A balancing act?

Author: Thapa, K., Shreesh, I. K., Magar, K. T.

Abstract: Since 1987, trophy hunting of blue sheep has been operated in the Dhorpatan Hunting Reserve in western Nepal to maintain mountain ecosystem balance. We assessed the impacts of these practices by analyzing ecological, socioeconomical, and cultural variables, including the demographic structure of the blue sheep population, income from trophy hunting, management costs, and a perception survey with 293 respondents through semi-structured interviews. The blue sheep population has significantly declined from 2,593 in 1979 to 1,290 in 2021. The young-to-female recruitment ratio also dropped sharply from 83 to 37, and the male-to-female ratio decreased from 129 to 91, indicating a dramatic population decline over 30 years. The average annual management cost for DHR showed a deficit of $322,508 compared to trophy hunting earnings over six fiscal years 2017/18 to 2022/23. Indigenous peoples and local communities practice agropastoral economies, relying on natural resources for about 75 % of their subsistence, with only 25 % coming from
overseas remittances and market enterprises. More than 90 % felt they had not benefited from trophy hunting sharing initiatives, and 75 % to 80 % expressed distrust in the blue sheep population counts, opposing current trophy hunting practices. Additionally, 69 % rejected the proposed buffer zone, while 90 % advocated for reviving customary practices over current conservation methods. In conclusion, the existing trophy hunting practices in DHR are unsustainable from ecological, socioeconomical, and cultural perspectives, threatening the entire ecosystem if left unchanged. Urgent research on predator–prey dynamics, pasture carrying capacity, and interactions among indigenous communities is needed. A major overhaul of current conservation strategies and the revitalization of customary practices are essential for ensuring the long-term sustainability of trophy hunting and restoring trust with Indigenous Peoples and Local Communities.

URL: https://snowleopardnetwork.org/b/show.php?record=1779

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Title: Hide and seek in time and space: Spatiotemporal segregation between snow leopard and its prey in Northern Pakistan

Author: Khan, T. U., Nabi, G., Ahmad, S., Hu, H., Hu, Y., Puswal, S. M., Ghaznavi, M., Luan, X.

Abstract: Temporal niche-partitioning is a key strategy for prey to avoid predators and for predators to successfully coexist sympatrically. However, little is known about the temporal and spatial dynamics of snow leopards with key prey species. We investigated the spring daily activity patterns and spatial density distributions of snow leopard (Panthera uncia), Himalayan ibex (Capra ibex sibirica), and domestic yak (Bos grunniens) to unravel the spatiotemporal behavior within their shared alpine habitat in Northern Pakistan using trail cameras data. The results indicated that snow leopards exhibited a bimodal activity pattern, with peaks around midnight and dawn. In contrast, the ibex displayed a predominantly diurnal pattern, starting at dawn and minimally overlapping with the snow leopard. Attended yaks showed a uniform diurnal activity pattern under human protection, while unattended yaks exhibited irregular activity across day and night, suggesting higher vulnerability to predation. Spatial density analysis revealed notable overlaps between species pairs, particularly unattended yaks and snow leopards, highlighting the influence of spatial dynamics on predator-prey interactions. The clear off-phased and contrasting pattern of activity between snow leopard and ibex in our study showed temporal partitioning in spring and indicates that unattended yak may be a more heavily predated species than previously thought. This study provides the first comparative analysis of temporal activity patterns between a key predator and wild and domestic prey in Northern Pakistan. This research broadens our understanding of animal behavior through the lens of spatiotemporal interactions and provides insights into the complex dynamics between predator and prey in the challenging alpine landscape. Our findings emphasize the importance of livestock guarding to mitigate depredation and highlight the complexities of predator-prey interactions in both time and space, along with the resulting behavioral adaptions.

URL: https://snowleopardnetwork.org/b/show.php?record=1778