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Author |
Jackson, R. |
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Title |
Snow Leopards and Other Wildlife in the Qomolang,a Nature Preserve of Tibet |
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Miscellaneous |
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Year |
1991 |
Publication |
Snow Line |
Abbreviated Journal |
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Volume |
ix |
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Pages |
9-12 |
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Keywords |
animal-husbandry; annapurna; bounties; China; depradation; interviews; poaching; population; research; status; survey |
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International Snow Leopard Trust |
Place of Publication |
Seattle |
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Call Number |
SLN @ rana @ 463 |
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448 |
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Author |
International Snow Leopard Trust |
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Title |
Assessing Presence, relative abundance and habitat of snow leopards and their prey: a handbook of field techniques |
Type |
Miscellaneous |
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Year |
1992 |
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Keywords |
habitat; surveys; methods; field-techniques; assessment; prey; browse; field techniques; field; techniques; 2700 |
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Seattle, Washington. Out of date; no longer in circulation. |
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Call Number |
SLN @ rana @ 197 |
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405 |
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Author |
Durbach, I., Borchers, D., Sutherland, C., Sharma, K. |
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Title |
Fast, flexible alternatives to regular grid designs for spatial
capture–recapture. |
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Research Article |
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Year |
2020 |
Publication |
Methods in Ecology and Evolution |
Abbreviated Journal |
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Pages |
1-13 |
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Keywords |
camera trap, population ecology,sampling, spatial capture-recapture, surveys |
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Abstract |
Spatial capture–recapture (SCR) methods use the location of
detectors (camera traps, hair snares and live-capture traps) and the
locations at which animals were detected (their spatial capture
histories) to estimate animal density. Despite the often large expense
and effort involved in placing detectors in a landscape, there has been
relatively little work on how detectors should be located. A natural
criterion is to place traps so as to maximize the precision of density
estimators, but the lack of a closed-form expression for precision has
made optimizing this criterion computationally demanding. 2. Recent
results by Efford and Boulanger (2019) show that precision can be well
approximated by a function of the expected number of detected
individuals and expected number of recapture events, both of which can
be evaluated at low computational cost. We use these results to develop
a method for obtaining survey designs that optimize this approximate
precision for SCR studies using count or binary proximity detectors, or
multi-catch traps. 3. We show how the basic design protocol can be
extended to incorporate spatially varying distributions of activity
centres and animal detectability. We illustrate our approach by
simulating from a camera trap study of snow leopards in Mongolia and
comparing estimates from our designs to those generated by regular or
optimized grid designs. Optimizing detector placement increased the
number of detected individuals and recaptures, but this did not always
lead to more precise density estimators due to less precise estimation
of the effective sampling area. In most cases, the precision of density
estimators was comparable to that obtained with grid designs, with
improvement in some scenarios where approximate CV(¬D) < 20% and density
varied spatially. 4. Designs generated using our approach are
transparent and statistically grounded. They can be produced for survey
regions of any shape, adapt to known information about animal density
and detectability, and are potentially easier and less costly to
implement. We recommend their use as good, flexible candidate designs
for SCR surveys when reasonable knowledge of model parameters exists. We
provide software for researchers to construct their own designs, in the
form of updates to design functions in the r package oSCR. |
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Serial |
1618 |
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Author |
Korablev, M. P., Poyarkov, A. D., Karnaukhov, A. S., Zvychaynaya, E. Y., Kuksin, A. N., Malykh, S. V., Istomov, S. V., Spitsyn, S. V., Aleksandrov, D. Y., Hernandez-Blanco, J. A., Munkhtsog, B., Munkhtogtokh, O., Putintsev, N. I., Vereshchagin, A. S., Becmurody, A., Afzunov, S., Rozhnov, V. V. |
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Title |
Large-scale and fine-grain population structure and genetic diversity of snow leopards (Panthera uncia Schreber, 1776) from the northern and western parts of the range with an emphasis on the Russian population. |
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Journal Article |
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Year |
2021 |
Publication |
Conservation Genetics |
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Keywords |
Snow leopard, Panthera uncia, Microsatellites, Heterozygosity, Population structure, Noninvasive survey, Scat, Subspecies |
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Abstract |
The snow leopard (Panthera uncia Schreber, 1776) population in Russia and Mongolia is situated at the northern edge of the range, where instability of ecological conditions and of prey availability may serve as prerequisites for demographic instability and, consequently, for reducing the genetic diversity. Moreover, this northern area of the species distribution is connected with the western and central parts by only a few small fragments of potential habitats in the Tian-Shan spurs in China and Kazakhstan. Given this structure of the range, the restriction of gene flow between the northern and other regions of snow leopard distribution can be expected. Under these conditions, data on population genetics would be extremely important for assessment of genetic diversity, population structure and gene flow both at regional and large-scale level. To investigate large-scale and fine-grain population structure and levels of genetic diversity we analyzed 108 snow leopards identified from noninvasively collected scat samples from Russia and Mongolia (the northern part of the range) as well as from Kyrgyzstan and Tajikistan (the western part of the range) using panel of eight polymorphic microsatellites. We found low to moderate levels of genetic diversity in the studied populations. Among local habitats, the highest heterozygosity and allelic richness were recorded in Kyrgyzstan (He = 0.66 ± 0.03, Ho = 0.70 ± 0.04, Ar = 3.17) whereas the lowest diversity was found in a periphery subpopulation in Buryatia Republic of Russia (He = 0.41 ± 0.12, Ho = 0.29 ± 0.05, Ar = 2.33). In general, snow leopards from the western range exhibit greater genetic diversity (He = 0.68 ± 0.04, Ho = 0.66 ± 0.03, Ar = 4.95) compared to those from the northern range (He = 0.60 ± 0.06, Ho = 0.49 ± 0.02, Ar = 4.45). In addition, we have identified signs of fragmentation in the northern habitat, which have led to significant genetic divergence between subpopulations in Russia. Multiple analyses of genetic structure support considerable genetic differentiation between the northern and western range parts, which may testify to subspecies subdivision of snow leopards from these regions. The observed patterns of genetic structure are evidence for delineation of several management units within the studied populations, requiring individual approaches for conservation initiatives, particularly related to translocation events. The causes for the revealed patterns of genetic structure and levels of genetic diversity are discussed. |
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no |
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Serial |
1633 |
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Author |
Fox, J.L. |
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Title |
A review of the status and ecology of the snow leopard (Panthera uncia) |
Type |
Miscellaneous |
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Year |
1989 |
Publication |
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Abbreviated Journal |
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Keywords |
status; ecology; distribution; browse; behavior; Russia; China; Mongolia; Soviet-Union; Pakistan; India; Nepal; Afganastan; Bhutan; mating; sexual-behavior; research; surveys; scrapes; sprays; habitat; 2050 |
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Notes |
Full Text at URL |
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Call Number |
SLN @ rana @ 137 |
Serial |
294 |
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Author |
Yang, Q. |
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Title |
Further study on the geographical distribution and conservation of snow leopard in Qinghai, P.R. China |
Type |
Miscellaneous |
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Year |
1992 |
Publication |
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Abbreviated Journal |
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1-7 |
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Keywords |
China; conservation; distribution; Qinghai; snow leopard; survey |
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Northwest Plateau Institute of Biology, Academia sinica, Xining, Qinghai, P.R. China 810001 |
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SLN @ rana @ 920 |
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1049 |
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Thapa, K., Pradhan, N, M, B., Barker, J., Dhakal, M., Bhandari, A, R., Gurung, G, S., Rai, D, P., Thapa, G, J., Shrestha, S., Singh, G, R. |
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Title |
High elevation record of a leopard cat in the Kangchenjunga Conservation Area, Nepal |
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Journal Article |
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2013 |
Publication |
Cat News |
Abbreviated Journal |
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No 58 |
Pages |
26-27 |
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Keywords |
leopard cat, camera trapping survey, Nepal |
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Abstract |
During a camera trapping survey in Khambachen valley of Kangchenjunga Conservation
Area KCA from 24 April to 26 May 2012 we camera trapped one leopard cat
Prionailurus bengalensis at an altitude of 4,474 meter. This is probably the highest
altitudinal record for the species in its range. Additionally, one melanistic leopard
Panthera pardus was captured at an altitude of 4,300 m, which is probably as well the
highest documented record in the country. Yet at this stage, no obvious reason can
explain these unusual high records for both species, thus more surveys are recommended
for this region. |
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SLN @ rakhee @ |
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1394 |
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Moheb, Z., Rajabi, A. M., Jahed, N., Ostrowski, S., Zahler, P. I., Fuller, T. K. |
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Using double-observer surveys to monitor urial and ibex populations in the Hindu Kush of Wakhan National Park, Afghanistan |
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Journal Article |
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2022 |
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Oryx |
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1-7 |
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Capra sibirica, density, double-observer survey, herd composition, herd size, Ovis vignei, ungulates, viewshed |
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We surveyed the urial Ovis vignei and Siberian ibex Capra sibirica in the Hindu Kush mountain range of Wakhan National Park in north-eastern Afghanistan to determine their population status and identify potential drivers of population change. We conducted two double- observer ground surveys, in April–May 2015 and 2018, in 10 areas (total = 288 km2). Urial herds were mostly com- posed of both sexes (78% of observed herds), the mean adult sex ratio (females:males) was 100:70, and the mean female:juvenile ratio was 100:53. In 2018 we calculated a urial density of 35/100 km2, compared to 72/100 km2 in 2015. Ibex herds were mostly (79%) composed of both sexes, the mean adult sex ratio (females:males) was 100:103, and the mean female:juvenile ratio was 100:58. Ibex density estimates were similar in 2015 and 2018 (c. 250/100 km2). We discuss the usefulness of the double-observer methods for ungulate surveys, highlight the value of viewshed calculations and discuss the possible causes of urial population decline. To ensure the conservation of these ungulate populations, we recommend continued regular monitoring, measures to address poaching and research to clarify the taxonomical status of urials in Wakhan. |
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SLN @ rakhee @ |
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1707 |
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Author |
Ale, S., Shrestha, B., and Jackson, R. |
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On the status of Snow Leopard Panthera Uncia (Schreber 1775) in Annapurna, Nepal |
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2014 |
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Journal of Threatened Taxa |
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6(3) |
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5534-5543 |
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Annapurna, Blue Sheep, Buddhism, camera-trapping, Himalayas, Mustang, sign-survey, Snow Leopard. |
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1407 |
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Author |
Schaller, G.B.; Tserendeleg, J.; Amarsana, G. |
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Title |
Observations on snow leopards in Mongolia |
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Conference Article |
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1994 |
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33-42 |
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Keywords |
Mongolia; gobi; Altay; Altai; survey; surveys; habitat; scrapes; markings; feces; spray; distribution; status; park; parks; reserve; reserves; refuge; activity; conservation; home-range; protected-areas; movements; predator; prey; diet; livestock; herders; ibex; argali; hunting; poaching; trapping; killing; browse; home range; protected areas; protected; 2710 |
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Islt |
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Usa |
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J.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Proceedings of the Seventh International Snow Leopard Symposium. International Snow Leopard TrustPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 258 |
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870 |
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