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| Author | Valdez, R., Michel, S., Subbotin, A., Klich, D. | ||||
| Title | Status and population structure of a hunted population of Marco Polo Argali Ovis ammon polii (Cetartiodactyla, Bovidae) in Southeastern Tajikistan | Type  |
Journal Article | ||
| Year | Publication | Mammalia | Abbreviated Journal | ||
| Volume | 80 | Issue | 1 | Pages | 49-57 |
| Keywords | Pamirs; status; sustainable use; Tajikistan; trophy hunting. | ||||
| Abstract | Marco Polo sheep (Ovis ammon polii), listed as Near Threatened in the IUCN Red List, were surveyed using vehicles during three summers and three consecutive winters to determine the status and population structure of the subspecies in a hunted population in southeastern Pamirs, Tajikistan. A total of 8649, 8392, and 7663 sheep were observed in each winter survey with densities of 5.42, 4.91, and 4.49 argalis/km2, respectively. The differences in numbers observed in different years were probably due principally to differing dates of surveys among years. The high ratios of lamb for every 100 ewe (53, 38, and 49 during the winter surveys, and 60, 45, and 58 during the summer surveys) and high percentages (45%–50%) of mature females during winter indicate that offspring recruitment is sufficient to maintain a stable population. The significant increase in the abundance of Marco Polo sheep in the Tajikistan Pamirs compared with that of previous population surveys may probably be attributed to low numbers of domestic livestock during the winter, low human population density, unfenced and widespread wild sheep habitats, and rigorous patrolling to limit poaching. The small number (45) of hunting permits has a minimal impact on the male sheep sector. Tajikistan now supports more argali than any other country |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1438 | ||
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| Author | Wu, D., Maming, R., Xu, G., Zhu X., Buzzard, P. | ||||
| Title | Relationship between ibex and snow leopard about food chain and population density in Tian Shan | Type |
Journal Article | ||
| Year | 2015 | Publication | Selevinia | Abbreviated Journal | |
| Volume | Issue | Pages | 186-190 | ||
| Keywords | diet, ibex, snow leopard | ||||
| Abstract | Many studies have demonstrated that ibex (Capra sibirica) are the most frequently eaten prey of snow leopards (Panthera uncia) in Xinjiang, the west of China. Thus, an understanding of interactions between these species may have significant management and conservation of implications for both. In this study, we provide information on ibex grouping and density over a 24 month period in the Tian Shan of Xinjiang, China. We then use ibex density to estimate the density of snow leopards. We observed ibex primarily in ewe-lamb groups (N=880), but ibex sexual segregation and grouping changed seasonally with more mixed-sex groups during the winter rut. We observed the most ibex in April 2014 and 2015 with an average of (2422 ± 119 ibex). Over the 1643 km2 study area we then estimated an ibex density of 154 ± 23 ibex /100 km2 from which we estimated a density of 1.31~2.58 snow leopards/100 km2. |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1439 | ||
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| Author | Alexander, J., S., Gopalaswamy, A., M., Shi, K., Hughes, J., Riordan, P. | ||||
| Title | Patterns of Snow Leopard Site Use in an Increasingly Human-Dominated Landscape | Type |
Journal Article | ||
| Year | 2016 | Publication | PLoS ONE | Abbreviated Journal | |
| Volume | Issue | Pages | 1-15 | ||
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| Abstract | Human population growth and concomitant increases in demand for natural resources pose threats to many wildlife populations. The landscapes used by the endangered snow leopard (Panthera uncia) and their prey is increasingly subject to major changes in land use. We aimed to assess the influence of 1) key human activities, as indicated by the presence of mining and livestock herding, and 2) the presence of a key prey species, the blue sheep (Pseudois nayaur), on probability of snow leopard site use across the landscape. In Gansu Province, China, we conducted sign surveys in 49 grid cells, each of 16 km2 in size, within a larger area of 3392 km2. We analysed the data using likelihood-based habitat occupancy models that explicitly account for imperfect detection and spatial auto-correlation between survey transect segments. The model-averaged estimate of snow leopard occupancy was high [0.75 (SE 0.10)], but only marginally higher than the naïve estimate (0.67). Snow leop- ard segment-level probability of detection, given occupancy on a 500 m spatial replicate, was also high [0.68 (SE 0.08)]. Prey presence was the main determinant of snow leopard site use, while human disturbances, in the form of mining and herding, had low predictive power. These findings suggest that snow leopards continue to use areas very close to such disturbances, as long as there is sufficient prey. Improved knowledge about the effect of human activity on large carnivores, which require large areas and intact prey populations, is urgently needed for conservation planning at the local and global levels. We highlight a number of methodological considerations that should guide the design of such research. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1440 | ||
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| Author | Alexander, J. S., Zhang, C., Shi, K., Riordan, P. | ||||
| Title | A spotlight on snow leopard conservation in China | Type |
Journal Article | ||
| Year | 2016 | Publication | Integrative Zoology | Abbreviated Journal | |
| Volume | Issue | 11 | Pages | ||
| Keywords | China, conservation, Panthera uncia, research prioritization | ||||
| Abstract | China holds the greatest proportion of the snow leopard’s (Panthera uncia) global range and is central to their conservation. The country is also undergoing unprecedented economic growth, which increases both the threats to the snow leopard and the opportunities for its conservation. In this paper we aim to review published literature (from 1950 to 2014) in English and Mandarin on snow leopard ecology and conservation in China in order to identify thematic and geographic research gaps and propose research priorities. We first retrieved all publish items that considered snow leopards in China (n = 106). We extracted from these papers 274 reports of snow leopard presence in China. We then reviewed a subset of papers (n = 33) of this literature, which specifically focused on snow leopard ecology and conservation within China. We introduced a thematic framework that allows a structured and comprehensive assessment of findings. This framework recognizes 4 critical and interrelated topics underpinning snow leopard ecology and conservation: habitat (distribution and protected area coverage); prey (distribution and abundance, predator–prey relationships); human interactions (hunting and trade, livestock interactions and conflicts); and the underlying policy context. Significant gains in knowledge as well as research gaps and priorities are discussed with reference to our framework. The modest quantity and limited scope of published research on the snow leopard in China calls for a continued and intensified effort to inform and support national conservation policies. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1442 | ||
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| Author | Guoliang, P., Alexander, J. S., Riordan, P., Shi, K., Kederhan, Yang, H | ||||
| Title | Detection of a snow leopard population in northern Bortala, Xinjiang, China | Type |
Journal Article | ||
| Year | 2016 | Publication | Cat News | Abbreviated Journal | |
| Volume | Issue | 63 | Pages | ||
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| Abstract | We substantiate the presence of snow leopards Panthera uncia using camera traps within the Dzungarian Alatau range in Bortala Mongolia Autonomous Prefecture, Xinjiang Province, China. A total of 13 camera trap stations were set up in 2012 and a total of 14 camera trap stations in 2013 within an area of 192 km2. A total of 11-15 individual adult snow leopards and two sub adults were identified from photo captures of sufficient quality. A range of human activities were noted within and surrounding the survey area, including livestock herding and mining. We recommend more large scale and intensive camera trap surveys to further assess the population status of the snow leopard within this area |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1443 | ||
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| Author | Weiskopf, S. R., Kachel, S. M., McCarthy, K. P. | ||||
| Title | What Are Snow Leopards Really Eating? Identifying Bias in Food-Habit Studies | Type |
Journal Article | ||
| Year | 2016 | Publication | Wildlife Society Bulletin | Abbreviated Journal | |
| Volume | Issue | Pages | 1-8 | ||
| Keywords | diet, DNA genotyping, feces, Panthera uncia, scat, snow leopard. Lack of | ||||
| Abstract | Declining prey populations are widely recognized as a primary threat to snow leopard (Panthera uncia) populations throughout their range. Effective snow leopard conservation will depend upon reliable knowledge of food habits. Unfortunately, past food-habit studies may be biased by inclusion of nontarget species in fecal analysis, potentially misinforming managers about snow leopard prey requirements. Differentiation between snow leopard and sympatric carnivore scat is now cost-effective and reliable using genetics. We used fecal mitochondrial DNA sequencing to identify scat depositors and assessment bias in snow leopard food-habit studies. We compared presumed, via field identification, and genetically confirmed snow leopard scats collected during 2005 and 2012 from 4 sites in Central Asia, using standard forensic microscopy to identify prey species. Field identification success varied across study sites, ranging from 21% to 64% genetically confirmed snow leopard scats. Our results confirm the importance of large ungulate prey for snow leopards. Studies that fail to account for potentially commonplace misidentification of snow leopard scat may mistakenly include a large percentage of scats originating from other carnivores and report inaccurate dietary assessments. Relying on field identification of scats led to overestimation of percent occurrence, biomass, and number of small mammals consumed, but underestimated values of these measures for large ungulates in snow leopard diet. This clarification suggests that the conservation value of secondary prey, such as marmots (Marmota spp.) and other small mammals, may be overstated in the literature; stable snow leopard populations are perhaps more reliant upon large ungulate prey than previously understood. |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1445 | ||
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| Author | Johansson, O., Rauset, G. R., Samelius, G., McCarthy, T., Andren, H., Tumursukh, L., Mishra, C. | ||||
| Title | Land sharing is essential for snow leopard conservation | Type |
Journal Article | ||
| Year | 2016 | Publication | Biological Conservation | Abbreviated Journal | |
| Volume | Issue | 203 | Pages | 1-7 | |
| Keywords | Home range, LoCoH, Mongolia, Panthera uncial, Protected areas, Land sparing | ||||
| Abstract | Conserving large carnivores in an increasingly crowded planet raises difficult challenges. A recurring debate is whether large carnivores can be conserved in human used landscapes (land sharing) or whether they require specially designated areas (land sparing). Here we show that 40% of the 170 protected areas in the global range of the snow leopard (Panthera uncia) are smaller than the home range of a single adult male and only 4– 13% are large enough for a 90% probability of containing 15 or more adult females. We used data from 16 snow leopards equipped with GPS collars in the Tost Mountains of South Gobi, Mongolia, to calculate home range size and overlap using three different estimators: minimum convex polygons (MCP), kernel utility distributions (Kernel), and local convex hulls (LoCoH). Local convex hull home ranges were smaller and included lower proportions of unused habitats compared to home ranges based on minimum convex polygons and Kernels. Intra-sexual home range overlapwas low, especially for adult males, suggesting that snowleopards are territorial. Mean home range size based on the LoCoH estimates was 207 km2 ± 63 SD for adult males and 124 km2 ± 41 SD for adult females. Our estimates were 6–44 times larger than earlier estimates based on VHF technology when comparing similar estimators, i.e. MCP. Our study illustrates that protected areas alone will not be able to conserve predatorswith large home ranges and conservationists and managers should not restrict their efforts to land sparing. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1446 | ||
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| Author | Li, J., Xiao, L.,Lu, Z | ||||
| Title | Challenges of snow leopard conservation in China | Type |
Journal Article | ||
| Year | 2016 | Publication | Science China Life Sciences | Abbreviated Journal | |
| Volume | 59 | Issue | 6 | Pages | 637-639 |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1448 | ||
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| Author | Li, J., McCarthy, T. M., Wang, H., Weckworth, B. V., Shaller, G. B., Mishra, C., Lu, Z., Beissinger, S. R | ||||
| Title | Climate refugia of snow leopards in High Asia | Type |
Journal Article | ||
| Year | 2016 | Publication | Biological Conservation | Abbreviated Journal | |
| Volume | Issue | 203 | Pages | 188-196 | |
| Keywords | Snow leopard, Habitat, Climate change, Refugia, High Asia, Conservation | ||||
| Abstract | Rapidwarming in High Asia is threatening its unique ecosystemand endemic species, especially the endangered snow leopard (Panthera uncia). Snow leopards inhabit the alpine zone between snow line and tree line, which contracts and expands greatly during glacier-interglacial cycles. Here we assess impacts of climate change on global snow leopard habitat from the last glacial maximum (LGM; 21 kyr ago) to the late 21st century. Based on occurrence records of snow leopards collected across all snow leopard range countries from 1983 to 2015, we built a snow leopard habitat model using the maximum entropy algorithm (MaxEnt 3.3.3k). Then we projected this model into LGM, mid-Holocene and 2070. Analysis of snow leopard habitat map from LGM to 2070 indicates that three large patches of stable habitat have persisted from the LGM to present in the Altai, Qilian, and Tian Shan-Pamir-Hindu Kush-Karakoram mountain ranges, and are projected to persist through the late 21st century. These climatically suitable areas account for about 35% of the snow leopard's current extent, are large enough to support viable populations, and should function as refugia for snow leopards to survive through both cold and warm periods. Existence of these refugia is largely due to the unique mountain environment in High Asia, which maintains a relatively constant arid or semi-arid climate. However, habitat loss leading to fragmentation in the Himalaya and Hengduan Mountains, as well as increasing human activities, will present conservation challenges for snow leopards and other sympatric species. |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1449 | ||
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| Author | Chetri, M., Odden, M., Wegge, P. | ||||
| Title | Snow Leopard and Himalayan Wolf: Food Habits and Prey Selection in the Central Himalayas, Nepal | Type |
Journal Article | ||
| Year | 2017 | Publication | Plos | Abbreviated Journal | |
| Volume | Issue | 12(2) | Pages | 2-16 | |
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| Abstract | Top carnivores play an important role in maintaining energy flow and functioning of the ecosystem, and a clear understanding of their diets and foraging strategies is essential for developing effective conservation strategies. In this paper, we compared diets and prey selection of snow leopards and wolves based on analyses of genotyped scats (snow leopards n = 182, wolves n = 57), collected within 26 sampling grid cells (5×5 km) that were distributed across a vast landscape of ca 5000 km2 in the Central Himalayas, Nepal. Within the grid cells, we sampled prey abundances using the double observer method. We found that interspecific differences in diet composition and prey selection reflected their respective habitat preferences, i.e. snow leopards significantly preferred cliff-dwelling wild ungulates (mainly bharal, 57% of identified material in scat samples), whereas wolves preferred typically plain-dwellers (Tibetan gazelle, kiang and argali, 31%). Livestock was consumed less frequently than their proportional availability by both predators (snow leopard = 27%; wolf = 24%), but significant avoidance was only detected among snow leopards. Among livestock species, snow leopards significantly preferred horses and goats, avoided yaks, and used sheep as available. We identified factors influencing diet composition using Generalized Linear Mixed Models. Wolves showed seasonal differences in the occurrence of small mammals/ birds, probably due to the winter hibernation of an important prey, marmots. For snow leopard, occurrence of both wild ungulates and livestock in scats depended on sex and latitude. Wild ungulates occurrence increased while livestock decreased from south to north, probably due to a latitudinal gradient in prey availability. Livestock occurred more frequently in scats from male snow leopards (males: 47%, females: 21%), and wild ungulates more frequently in scats from females (males: 48%, females: 70%). The sexual difference agrees with previous telemetry studies on snow leopards and other large carnivores, and may reflect a high-risk high-gain strategy among males. |
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1450 | ||
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