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Rodgers, T. W.,Janecka, J. E. |
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Title |
Applications and techniques for non-invasive faecal genetics research in felid conservation |
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Journal Article |
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2013 |
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Conservation . Elusive species . Faecal DNA . Felidae . Non-invasive genetics |
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Non-invasive genetic techniques utilising DNA extracted from faeces hold great promise for felid conservation research. These methods can be used to establish species
distributions, model habitat requirements, analyse diet, estimate abundance and population density, and form the basis for population, landscape and conservation genetic analyses. Due to the elusive nature of most felid species, non-invasive genetic methods have the potential to provide
valuable data that cannot be obtained with traditional observational or capture techniques. Thus, these methods are particularly valuable for research and conservation of endangered
felid species. Here, we review recent studies that use non-invasive faecal genetic techniques to survey or study wild felids; provide an overview of field, laboratory and analysis techniques; and offer suggestions on how future non-invasive genetic studies can be expanded or improved to more effectively support conservation. |
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SLN @ rakhee @ |
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1430 |
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Johansson, O., Kachel, S., Weckworth, B. |
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Title |
Guidelines for Telemetry Studies on Snow Leopards |
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Journal Article |
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2022 |
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Animals |
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12 |
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1663 |
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1-12 |
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animal welfare; capture; collar; felid; GPS; immobilization; Panthera uncia; trapping |
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Animal-borne tracking devices have generated a wealth of new knowledge, allowing us to better understand, manage and conserve species. Fitting such tracking devices requires that animals are captured and often chemically immobilized. Such procedures cause stress and involve the risk of injuries and loss of life even in healthy individuals. For telemetry studies to be justifiable, it is vital that capture operations are planned and executed in an efficient and ethical way. Project objectives must be clearly articulated to address well-defined knowledge gaps, and studies designed to maximize the probability of achieving those goals. We provide guidelines for how to plan, design, and implement telemetry studies with a special emphasis on snow leopards that are typically captured using foot snares. We also describe the necessary steps to ensure that captures are conducted safely, and with minimal stress to animals. |
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SLN @ rakhee @ |
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1712 |
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Kazensky, C.A.; Munson, L.; Seal, U.S. |
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Title |
The effects of melengestrol acetate on the ovaries of captive wild felids |
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1998 |
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Journal-of-Zoo-and-Wildlife-Medicine |
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29 |
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1 |
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1-5 |
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Mga; zoo; felids; contraception; Melengestrol-acetate; ovaries; snow-leopard; Panthera-uncia; snow leopard; browse; uncia; panthera; melengestrol; acetate; 1260; effects; study; ovarian; Ovary; captive; wild; wild felid; Wild-Felid; species; Follicle; Cats; cat; recent; Ovulation; doses; Dose; action; Progestin; Disease; veterinary |
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Melengestrol acetate (MGA) is the most widely used contraceptive in zoo felids, but the mechanism of contraception and the pathologic effects have not been investigated. For this study, the effects of MGA on folliculogenesis were assessed, and the association of MGA with ovarian lesions was evaluated. Comparisons were made among the histopathologic findings in the ovaries from 88 captive wild felids (representing 15 species) divided into three groups: 37 currently contracepted with MGA, eight previously exposed to MGA, and 43 never contracepted. Ninety-one percent of the felids evaluated had tertiary follicles, and no differences were noted between contracepted and uncontracepted cats. Some MGA-contracepted cats also had corpora lutea indicating recent ovulation. These results indicate that folliculogenesis is not suppressed by current doses of MGA and ovulation occurred in some cats. Therefore, the contraceptive actions of MGA do not occur by suppressing folliculogenesis, and MGA-contracepted felids likely have endogenous estrogens that may confound progestin effects on the uterus. Cystic rete ovarii was the most common pathologic finding, but they were not more prevalent in MGA-contracepted cats. These findings indicate that MGA is not associated with ovarian disease, including ovarian cancer, in contrast to the uterine lesions noted in MGA-treated cats. |
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Document Type: English. Affiliation: Taylor Veterinary Hospital, Turlock , California 95382, USA |
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SLN @ rana @ 348 |
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527 |
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Oberosler, V., Tenan, S., Groff, C., Krofel, M., Augugliaro, C., Munkhtsog, B., Rovero, F. |
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Title |
First spatially‐explicit density estimate for a snow leopard population in the Altai Mountains |
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Journal Article |
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2021 |
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Biodiversity and Conservation |
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15 |
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Camera trapping · Conservation · Abundance · Felids · Activity range · Mongolia · Panthera uncia · Spatial capture-recapture |
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The snow leopard Panthera uncia is an elusive and globally-threatened apex predator occurring in the mountain ranges of central Asia. As with other large carnivores, gaps in data on its distribution and abundance still persist. Moreover, available density estimates are often based on inadequate sampling designs or analytical approaches. Here, we used camera trapping across a vast mountainous area (area of the sampling frame 850 km2; analysed habitat extent 2600 km2) and spatially-explicit capture-recapture (SECR) models to provide, to our knowledge, the first robust snow leopard population density estimate for the Altai Mountains. This region is considered one of the most important conservation areas for snow leopards, representing a vast portion of suitable habitat and a key ecological corridor. We also provide estimates of the scale parameter (σ) that reflects ranging behaviour (activity range) and baseline encounter probability, and investigated potential drivers of density and related parameters by assessing their associations with anthropogenic and environmental factors. Sampling yielded 9729 images of snow leopards corresponding to 224 independent detections that belonged to a minimum of 23 identified adult individuals. SECR analysis resulted in an overall density of 1.31 individuals/100 km2 (1.15%–1.50 95% CI), which was positively correlated with terrain slope. This estimate falls within the mid-values of the range of density estimates for the species globally. We estimated significantly different activity range size for females and males (79 and 329 km2, respectively). Base- line encounter probability was negatively associated with anthropogenic activity. Our study contributes to on-going efforts to produce robust global estimates of population abundance for this top carnivore. |
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SLN @ rakhee @ |
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1662 |
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Author |
Allayarov A.M. |
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Title |
Materials on geographical distribution of wild cats in Uzbekistan |
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Miscellaneous |
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1963 |
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15-16 |
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Uzbekistan; Felidae; distribution; habitats; snow leopard.; 5980; Russian |
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It describes the distribution and habitats of eight Felidae species in Uzbekistan, such as snow leopard, leopard, lynx, caracal, chaus, manul, sand cat, and steppe cat. |
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Full text available in RussianJournal Title: Proceedings of third all-Union meeting on zoogeography of land. |
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SLN @ rana @ 577 |
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64 |
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Jackson, R.; Roe, J.; Wangchuk, R.; Hunter, D. |
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Title |
Camera-Trapping of Snow Leopards |
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2005 |
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Cat News |
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42 |
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Spring |
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19-21 |
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camera trapping; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; felids; tigers; tiger; techniques; surveys; survey; information; factor; marking; behavior; Ahlborn; Jackson; habitat; status; range; census; India; Hemis; High; national; national park; National-park; park; Ladakh; leh |
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Solitary felids like tigers and snow leopards are notoriously difficult to enumerate, and indirect techniques like pugmark surveys often produce ambiguous information that is difficult to interpret because many factors influence marking behavior and frequency (Ahlborn & Jackson 1988). Considering the snow leopard's rugged habitat, it is not surprising then that information on its current status and occupied range is very limited. We adapted the camera-trapping techniques pioneered by Ullas Karanth and his associates for counting Bengal tigers to the census taking of snow leopards in the Rumbak watershed of the India's Hemis High Altitude National Park (HNP), located in Ladakh near Leh (76ø 50' to 77ø 45' East; 33ø 15' to 34ø 20'North). |
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SLN @ rana @ 1017 |
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475 |
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Ishunin G.I. |
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The Felids family Felidae Gray, 1821 |
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Miscellaneous |
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1989 |
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46 |
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Ussr; Felidae; Miocene; Pliocene; Pleistocene; Holocene; origin; Uzbekistan; Genus Uncia; snow leopard; specie range; Western Tien Shan; Hissar ridge; Zeravshan ridge; Turkestan ridge.; 6980; Russian |
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Zoolites of the Felidae family are known from the Upper Eocene Lower Pliocene in Eurasia, Africa, and North America. Two sub-families are know to inhabit the territory of the USSR and adjacent territories: the extinct sabre-toothed Felidae species Machairodontia and now existing Felidae species. In the USSR the extinct Felidae species were found to exist in Upper Miocene, Upper and Middle Pliocene, and Pleistocene. In Eurasia panthers has been know since early Pliocene. Three species were found in Uzbekistan – the extinct cave lion Felidae sd†l…†… (Goldfuss, 1810), and now existing P…nth†a… tigris, P…nth†a… pardus. The ancient finds and modern habitats are briefly described. Genus Uncia is represented by one species snow leopard or irbis. Probably it appeared in later Pliocene or Pleistocene in the mountain of Central Asia. In Uzbekistan, remains of snow leopard were found in the Samarqand region in the layer of Upper Pleistocene or Holocene. Probably it moved into the area in Pleistocene or the period of glacier removal in the Western Tien Shan mountains, Turkestan, Zeravshan, and Hissar ridges. |
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Full text available in RussianJournal Title: Possible way of the mammal fauna formation on the territory of Uzbekistan. |
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SLN @ rana @ 676 |
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422 |
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Laptev M.K. |
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The cats – Felidae |
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Miscellaneous |
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1929 |
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Issue I. |
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55-60 |
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Central Asia; Felidae; snow leopard; taxonomy; distribution.; 7550; Russian |
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It describes identification features of the Felidae family species (ItŒ¤ŒlŒbus, A¤inŒn¢o, L¢no, Oigris, D…rdus, Uncia, r†m…†lurus, ¥…a…¤…l, ¥atolynx, Felis): colour, body size and skull length, length of limbs, presence or absence of ear-brushes, cheek-bones width, nasal bones, palatine bone, rapacious tooth, and acoustical capsules. |
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Full text available in RussianJournal Title: Central Asia mammals Guide (insectivorous, bats, predators, and ungulates). |
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SLN @ rana @ 733 |
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611 |
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Naumov S.P. |
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The cats – Felidae. Mountain regions of USSR |
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Miscellaneous |
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1948 |
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59-61 |
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Ussr; Felidae; taxonomy; distribution; snow leopard.; 7740 |
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Description of Felidae family species (Tigris tigris, Leopardus (Pardus) pardus and Unci uncia) is given. In USSR snow leopard inhabited in mountain ridges of Middle Asia and Altai. |
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1950Journal Title: Biology of game animals and birds of USSR. |
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SLN @ rana @ 752 |
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719 |
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Author |
Nardelli, F. |
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Keeping and breeding snow leopards at the Rare Felids Increasing Centre, Nettuno, Italy |
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1982 |
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International Pedigree Book of Snow Leopards, Vol. 3 |
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3 |
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63-66 |
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breeding; captive; felids; International; pedigree; snow leopard; zoo |
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Helsinki Zoo |
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Helsinki |
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Blomqvist, L. |
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SLN @ rana @ 1033 |
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715 |
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