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Author |
Sangay, T.; Vernes, K. |
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Title |
Human-wildlife conflict in the Kingdom of Bhutan: Patterns of livestock predation by large mammalian carnivores |
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Miscellaneous |
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Year |
2008 |
Publication |
Biological Conservation |
Abbreviated Journal |
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141 |
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1272-1282 |
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Keywords |
bear; Bhutan; compensation; conflict; Himalayas; leopard; livestock; predation; snow leopard; tiger |
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Abstract |
We examined predation activity throughout Bhutan by tiger (Panthera tigris), common leopard (Panthera pardus), snow leopard (Uncia uncia) and Himalayan black bear (Ursus thibetanus) on a variety of livestock types using data gathered over the first two years (2003-2005) of a compensation scheme for livestock losses. One thousand three hundred and seventy five kills were documented, with leopards killing significantly more livestock (70% of all kills),
than tigers (19%), bears (8%) and snow leopards (2%). About 50% of livestock killing were of cattle, and about 33% were of horses, with tigers, leopards and snow leopards killing a significantly greater proportion of horses than predicted from availability. Examination of cattle kills showed that leopards killed a significantly greater proportion of smaller prey (e.g., calves), whereas tigers killed a significantly greater proportion of larger prey (e.g., bulls). Overall, livestock predation was greatest in summer and autumn which corresponded with a peak in cropping agriculture; livestock are turned out to pasture and forest during the cropping season, and subsequently, are less well guarded than at other times. Across Bhutan, high horse density and low cattle and yak density were associated with high rates of livestock attack, but no relationship was found with forest cover or human population density. Several northern districts were identified as 'predation hotspots', where proportions of livestock lost to predation were considerable, and the ratio of reported kills to relative abundance of livestock was high. Implications of our findings for mitigating livestock losses and for conserving large carnivores in Bhutan are discussed. |
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SLN @ rana @ 903 |
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842 |
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Author |
Ale, S.; Brown, J. |
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Title |
The contingencies of group size and vigilance |
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Miscellaneous |
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Year |
2007 |
Publication |
Evolutionary Ecology Research, |
Abbreviated Journal |
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9 |
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1263-1276 |
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Keywords |
attraction effect,contingency,dilution effect,fitness,group-size effect,many-eyes effect,predation risk,vigilance behaviour; predation; decline; potential; predators; predator; feeding; Animals; Animal; use; food; effects; Relationship; behaviour; methods; game; Interactions; interaction; factor; value; Energy |
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Background: Predation risk declines non-linearly with one's own vigilance and the vigilance of others in the group (the 'many-eyes' effect). Furthermore, as group size increases, the individual's risk of predation may decline through dilution with more potential victims, but may increase if larger groups attract more predators. These are known, respectively, as the dilution effect and the attraction effect.
Assumptions: Feeding animals use vigilance to trade-off food and safety. Net feeding rate declines linearly with vigilance.
Question: How do the many-eyes, dilution, and attraction effects interact to influence the relationship between group size and vigilance behaviour?
Mathematical methods: We use game theory and the fitness-generating function to determine the ESS level of vigilance of an individual within a group.
Predictions: Vigilance decreases with group size as a consequence of the many-eyes and dilution effects but increases with group size as a consequence of the attraction effect, when they act independent of each other. Their synergetic effects on vigilance depend upon the relative strengths of each and their interactions. Regardless, the influence of other factors on vigilance – such as encounter rate with predators, predator lethality, marginal value of energy, and value of vigilance – decline with group size. |
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SLN @ rana @ 886 |
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53 |
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Author |
Paul, H.A.; Bargar, W.L.; Leininger, R. |
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Title |
Total hip replacement in a snow leopard |
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1985 |
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J Am Vet Med Assoc |
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187 |
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11 |
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1262-1263 |
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Keywords |
Animal; Carnivora; surgery; Case; Report; Hip; Dislocation; veterinary; Prosthesis; Male; browse; 310 |
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0003-1488 |
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Document Type: eng |
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SLN @ rana @ 82 |
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760 |
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Author |
Mainka, S.A. |
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Title |
Bilateral separation of the olecranon and proximal epiphysis from the ulnar diaphysis in a snow leopard cub |
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1986 |
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J Am Vet Med Assoc |
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189 |
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9 |
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1204-1205 |
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Animal; Carnivora; injuries; Case-Report; Epiphyses; Forelimb; Male; Ulna; browse; 290 |
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0003-1488 |
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Document Type: eng |
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SLN @ rana @ 97 |
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636 |
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Author |
Karesh, W.B.; Kunz, L.L. |
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Title |
Bilateral testicular seminoma in a snow leopard |
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1986 |
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J Am Vet Med Assoc |
Abbreviated Journal |
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189 |
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9 |
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1201 |
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Keywords |
Animal; Carnivora; Case Report; Dysgerminoma; pathology; veterinary; Male; Testicular; neoplasms; Testis; browse; 300 |
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0003-1488 |
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Document Type: eng |
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SLN @ rana @ 98 |
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514 |
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Zhang, F.; Jiang, Z.; Zeng, Y.; McCarthy, T. |
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Title |
Development of primers to characterize the mitochondrial control region of the snow leopard (Uncia uncia) |
Type |
Miscellaneous |
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2007 |
Publication |
Molecular Ecology Notes |
Abbreviated Journal |
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7 |
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1196-1198 |
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Keywords |
control region,Felidae,mitochondrial DNA,snow leopard,species-specific primers; genetics; development; mitochondrial; control; region; snow; snow leopard; snow-leopard; leopard; uncia |
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The snow leopard (Uncia uncia) is a rare carnivore living above the snow line in central Asia. Using universal primers for the mitochondrial genome control region hypervariable
region 1 (HVR1), we isolated a 411-bp fragment of HVR1 and then designed specific primers
near each end of this sequence in the conserved regions. These primers were shown to yield
good polymerase chain reaction products and to be species specific. Of the 12 snow leopards
studied, there were 11 segregating sites and six haplotypes. An identification case of snow
leopard carcass (confiscated by the police) proved the primers to be a useful tool for forensic
diagnosis in field and population genetics studies. |
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SLN @ rana @ 911 |
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1073 |
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Karnaukhov, A. S., Malykh, S. V., Korablev, M. P., Kalashnikova, Y. M., Poyarkov, A. D., Rozhnov, V. V. |
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Title |
Current Status of the Eastern Sayan Snow Leopard (Panthera uncia) Grouping and Its Nutritive Base |
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Journal Article |
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2018 |
Publication |
Biology Bulletin |
Abbreviated Journal |
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45 |
Issue |
9 |
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1106-1115 |
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Keywords |
Panthera uncia, Bol� shoi Sayan, Munku-Sardyk, Tunkinskie Gol� tsy, distribution area, molecular genetic analysis, modeling of potential habitats |
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A field survey of snow leopard (Panthera uncia) habitats was carried out in the southeastern part of
the Eastern Sayan Mountains (Okinskii and Tunkinskii districts of the Republic of Buryatia and the Kaa-
Khemskii district of Tuva Republic). Seven or eight adult snow leopards were observed as constant inhabitants
of the Tunkinskie Gol'tsy, Munku-Sardyk, and Bol'shoi Sayan mountain ridges. The presence of eight
snow leopards was confirmed using DNA-based analyses of scats collected in 2014 – 2016. The main prey species
of the snow leopard in Eastern Sayan is the Siberian ibex (Capra sibirica), but its abundance has steadily
decreased over the past 20 years. The red deer (Cervus elaphus) and the wild boar (Sus scrofa), which were
some of the most numerous ungulates in the survey area, are replacing the Siberian ibex in the snow leopard's
diet. In addition, the mountain hare (Lepus timidus) is also of importance to the snow leopard's diet. |
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SLN @ rakhee @ |
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1482 |
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Author |
Oli, M. |
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Title |
Snow leopards and blue sheep in Nepal: Densities and predator: Prey ratio |
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Miscellaneous |
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1994 |
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Journal of Mammalogy |
Abbreviated Journal |
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75 |
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998-1004 |
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Keywords |
snow leopard,Panthera uncia,blue sheep,Pseudois nayaur,density,predator:prey ratio,harvest rate,livestock predation,Nepal |
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I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predatorprey interactions. Five to seven adult leopards used the 105-km2 study area, a density of 4.8 to 6.7 leopards/100 km2. Density of blue sheep was 6.6-10.2 sheep/km2, and biomass density was 304 kg/km2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diet of snow leopards. Snow leopards in Manang were estimated to harvest 9-20% of total biomass and 11-24% of total number of blue sheep annually. Snow leopard :blue sheep ratio was 1 :1 14-1 :159 on a weight basis, which was considered sustainable given the importance of small mammals in the leopard's diet and the absence of other competing predators. |
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Call Number |
SLN @ rana @ 894 |
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741 |
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Author |
Oli, M.K. |
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Title |
Snow leopards and blue sheep in Nepal: Densities and predator: prey ratio |
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Journal Article |
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1994 |
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Journal of Mammalogy |
Abbreviated Journal |
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75 |
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4 |
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998-1004 |
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Keywords |
Nepal; blue-sheep; prey; livestock; predation; blue; sheep; browse; 740; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; blue sheep; densities; density; predator |
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Abstract |
I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predator-prey interactions. Five to seven adult leopards used the 10-5-km-2 study area, a density of 4.8 to 6.7 leopards/100 km-2. Density of blue sheep was 6.6 10.2 sheep/km-2, and biomass density was 304 kg/km-2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diel of snow leopards Snow leopards in Manang were estimated to harvest 9-20% of total biomass and 11-24% of total number of blue sheep annually. Snow leopard: blue sheep ratio was 1:114-1:159 on a weight basis, which was considered sustainable given the importance of small mammals in the leopard's diet and the absence of other competing predators. |
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Document Type: English
Call Number: 599.05 JO |
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SLN @ rana @ 236 |
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746 |
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Author |
Murata, K.; Yanai, T.; Agatsuma, T.; Uni, S. |
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Title |
Dirofilaria immitis infection of a snow leopard (Uncia uncia) in a Japanese zoo with mitochondrial DNA analysis |
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Miscellaneous |
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2003 |
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The Journal of Veterinary Medical Science / the Japanese Society of Veterinary Science |
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65 |
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945-947 |
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Dirofilaria immitis,Japan,snow leopard |
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Three dog heartworms (Dirofilaria immitis) were detected in the lumen of the right cardiac ventriculus and of the pulmonary artery of a captive female snow leopard (Uncia uncia) that died of pancreatic carcinoma at a zoo in Japan. Neither clinical respiratory nor circulatory symptoms caused by the heartworm infection were observed. The filarial worms were identified as D. immitis from the morphologic characteristics of the esophagus, the presence of faint longitudinal ridges on the cuticular surface, the situation of vulva posterior to the esophagus, and the measurements of the body. The heartworms from the snow leopard were identical to that of D. immitis from dogs in the sequence of the cytochrome oxidase I region in the mitochondrial DNA. This host record is the first of D. immitis in U. uncia. |
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SLN @ rana @ 892 |
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707 |
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