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Author |
Lovari, S., Minder, I., Ferretti, F., Mucci, N., Randi, E., Pellizzi, B. |
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Title |
Common and snow leopards share prey, but not habitats: competition avoidance by large predators |
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Journal Article |
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2013 |
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Journal of Zoology |
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291 |
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127-135 |
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Keywords |
coexistence; resource partitioning; food habits; Panthera uncia; Panthera pardus. |
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Abstract |
Resource exploitation and behavioural interference underlie competition among
carnivores. Competition is reduced by specializing on different prey and/or spatiotemporal
separation, usually leading to different food habits. We predicted that
two closely related species of large cats, the endangered snow leopard and the
near-threatened common leopard, living in sympatry, would coexist through
habitat separation and exploitation of different prey species. In central Himalaya,
we assessed (2006–2010) habitat and diet overlap between these carnivores. The
snow leopard used grassland and shrubland, whereas the common leopard
selected forest. Contrary to our prediction, snow leopard and common leopard
preyed upon similar wild (Himalayan tahr, musk deer) and domestic species (Bos
spp., dogs). Dietary overlap between snow leopard and common leopard was 69%
(yearly), 76% (colder months) and 60% (warmer months). Thus, habitat separation
should be the result of other factors, most likely avoidance of interspecific
aggression. Habitat separation may not always lead to the use of different prey.
Avoidance of interspecific aggression, rather than exploitation of different
resources, could allow the coexistence of potentially competing large predators. |
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SLN @ rakhee @ |
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1402 |
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Author |
Jumabay, K., Wegge, P., Mishra, C., Sharma, K |
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Title |
Large carnivores and low diversity of optimal prey: a comparison of the diets of snow leopards Panthera uncia and wolves Canis lupus in Sarychat-Ertash Reserve in Kyrgyzstan |
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Journal Article |
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Year |
2013 |
Publication |
Oryx |
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1-7 |
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Keywords |
Canis lupus, Central Asia, food habits, intraguild competition, Panthera uncia, scat analysis |
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Abstract |
In the cold and arid mountains of Central Asia, where the diversity and abundance of wild ungulates
are generally low, resource partitioning among coexisting carnivores is probably less distinct than in prey-rich areas. Thus, similar-sized carnivores are likely to compete for food. We compared the summer diets of snow leopards Panthera uncia and wolves Canis lupus in Sarychat-Ertash Reserve in the Tien-Shan mountains of Kyrgyzstan, based on analysis of genetically confirmed scats. Abundances of
the principal prey species, argali Ovis ammon and Siberian ibex Capra sibirica, were estimated from field surveys. The diets consisted of few species, with high interspecific overlap (Pianka’s index50.91). Argali was the predominant prey, with .50% frequency of occurrence in both snow leopard and wolf scats. This was followed by Siberian ibex and marmots Marmota baibacina. Being largely unavailable, remains of livestock were not detected in any of the scats. In the snow leopard diet, proportions of argali and ibex were in
line with the relative availabilities of these animals in the Reserve. This was in contrast to the diet of wolf, where argali occurred according to availability and ibex was significantly underrepresented. The high diet overlap indicates that the two predators might compete for food when the diversity of profitable, large prey is low. Competition may be more intense in winter, when marmots are not available. Hunting of argali and ibex outside the Reserve may be unsustainable and therefore reduce their abundances over time. This will
affect both predators negatively and intensify competition for food. Reduction in ibex populations will directly affect the snow leopard, and the wolf is likely to be indirectly affected as a result of increased snow leopard predation of argali. |
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SLN @ rakhee @ |
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1397 |
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Author |
Lovari, S., Boesi, R., Minder, I., Mucci, N., Randi, E., Dematteis, A., and Ale, S. B. |
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Title |
Restoring a keystone predator may endanger a prey species in a human-altered ecosystem: the return of the snow leopard to Sagarmatha National Park |
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Journal Article |
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Year |
2009 |
Publication |
Animal Conservation |
Abbreviated Journal |
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12 |
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Pages |
559-570 |
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Keywords |
conservation, food habits, genetics, Hemitragus jemlahicus, Himalayan tahr, management, microsatellite, predation, presence, scat, scat analysis, snow leopard, Uncia uncia |
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Abstract |
Twenty-five years ago, the snow leopard Uncia uncia, an endangered large cat, was eliminated from what is now Sagarmatha National Park (SNP). Heavy hunting pressure depleted that area of most medium-large mammals, before it became a park. After three decades of protection, the cessation of hunting and the recovery of wild ungulate populations, snow leopards have recently returned (four individuals). We have documented the effects of the return of the snow leopard on the population of its main wild prey, the Himalayan tahr Hemitragus jemlahicus, a 'near-threatened' caprin. Signs of snow leopard presence were recorded and scats were collected along a fixed trail (130 km) to assess the presence and food habits of the snow leopard in the Park, from 2004 to 2006. Himalayan tahr, the staple of the diet, had a relative occurrence of 48% in summer and 37% in autumn, compared with the next most frequent prey, musk deer Moschus chrysogaster (summer: 20%; autumn: 15%) and cattle (summer: 15%; autumn: 27%). In early summer, the birth rate of tahr (young-to-female ratio: 0.8-0.9) was high. The decrease of this ratio to 0.1-0.2 in autumn implied that summer predation concentrated on young tahr, eventually altering the population by removing the kid cohort. Small populations of wild Caprinae, for example the Himalayan tahr population in SNP, are sensitive to stochastic predation events and may be led to almost local extinction. If predation on livestock keeps growing, together with the decrease of Himalayan tahr, retaliatory killing of snow leopards by local people may be expected, and the snow leopard could again be at risk of local extinction. Restoration of biodiversity through the return of a large predator has to be monitored carefully, especially in areas affected by humans, where the lack of important environmental components, for example key prey species, may make the return of a predator a challenging event. |
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English |
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SLN @ rana @ |
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1122 |
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Author |
Mongolian Biosphere & Ecology Association |
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Title |
Mongolian Biosphere & Ecology Association Report March 2010 |
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Manuscript |
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2010 |
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Keywords |
nature; tourism; surveys; survey; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; attack; domestic; Animals; Animal; illegal; illegal hunting; hunting; territory; province; 2010; hunt; 1990; movements; movement; pasture; desert; number; species; birds; river; mountain; hunters; hunter; recent; government; structure; management; national; central; people; Report; gobi; Gobi Desert; reproduction; Adult; meat; food; ibex; wild; wild sheep; sheep; marmot; nutrition; schools; population; use; local; big; big game; big-game; game; 310; mountains; wolves; wolf; Seasons; times; zones; global; Mongolia; 40; history; ecology |
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Abstract |
In accordance with order of the Ministry of Nature and Tourism,
zoologists of our association have made surveys in three ways such as
reasons why snow leopards attack domestic animals, “Snow leopard” trial
operation to count them and illegal hunting in territories of Khovd,
Gobi-Altai, Bayankhongor, Uvurkhangai and Umnugobi provinces from
September 2009 to January 2010. As result of these surveys it has made
the following conclusions in the followings: Reason to hunt them illegally: the principal reason is that
administrative units have been increased and territories of
administrative units have been diminished. There have been four
provinces in 1924 to 1926, 18 since 1965, 21 since 1990. Such situation
limits movements of herdsmen completely and pastures digressed much than
ever before. As result of such situation, 70% of pastures become desert.
Such digression caused not only heads of animals and also number of
species. Guarantee is that birds such as owls, cuckoo, willow grouse in
banks of Uyert river, Burkhanbuudai mountain, located in Biger soum,
Gobi-Altai province, which are not hunted by hunters, are disappearing
in the recent two decades. For that reason we consider it is urgently
necessary for the government to convert administrative unit structures
into four provinces. This would influence herdsmen moving across
hundreds km and pastures could depart from digression.
Second reason: cooperative movement won. The issues related to management and strengthening of national
cooperatives, considered by Central Committee of Mongolian People's
Revolutionary Party in the meeting in March 1953 was the start of
cooperatives' movement. Consideration by Yu. Tsedenbal, chairman of
Ministers Council, chairman of the MPRP, on report “Result of to unify
popular units and some important issues to maintain entity management of
agricultural cooperatives” in the fourth meeting by the Central
Committee of Mongolian People's Revolutionary Party /MPRP/ on December
16-17, 1959, proclaimed complete victory of cooperative. At the end of
1959, it could unify 767 small cooperative into 389 ones, unify 99.3 %
of herdsmen and socialize 73.3 % of animals. The remaining of animals
amount 6 million 163 thousands animals, and equals to 26.7% of total
animals. This concerned number of animals related to the article
mentioned that every family should have not more that 50 animals in
Khangai zone and not more 75 animals in Gobi desert. It shows that such
number could not satisfy needs of family if such number is divided into
five main animals in separating with reproduction animals and adult
animals. So herdsmen started hunt hoofed animals secretly and illegally
in order to satisfy their meat needs. Those animals included main food
of snow leopard such as ibex, wild sheep, and marmot. Third reason is that the state used to hunt ibex, which are main
nutrition of snow leopards, every year. The administrative unit of the
soum pursued policy to hunt ibex in order to provide meat needs of
secondary schools and hospitals. That's why this affected decrease of
ibex population. Preciously from 1986 to 1990 the permissions to hunt
one thousands of wild sheep and two thousands of ibexes were hunt for
domestic alimentary use every year. Not less than 10 local hunters of every soum used to take part in big
game of ibexes. Also they hunted many ibexes, chose 3-10 best ibexes and
hid them in the mountains for their consummation during hunting.
Fourth reason: hunting of wolves. Until 1990 the state used to give
prizes to hunter, who killed a wolf in any seasons of the year. Firstly
it offered a sheep for the wolf hunter and later it gave 25 tugrugs /15
USD/. Every year, wolf hunting was organized several times especially
picking wolf-cubs influenced spread and population of wolves. So snow
leopard came to the places where wolves survived before and attack
domestic animals. Such situation continued until 1990. Now population of
ibexes has decreased than before 1990 since the state stopped hunting
wolves, population of wolves increased in mountainous zones. We didn't
consider it had been right since it was natural event. However
population of ibexes decreased. Fifth reason: Global warming. In recent five years it has had a drought
and natural disaster from excessive snow in the places where it has
never had such natural disasters before. But Mongolia has 40 million
heads of domestic animals it has never increased like such quantity in
its history before. We consider it is not incorrect that decrease of
domestic animals could give opportunities to raise population of wild
animals. Our next survey is to make attempt to fix heads of snow leopards
correctly with low costs. |
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Call Number |
SLN @ rana @ 1100 |
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705 |
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Author |
Zhirjakov, V.A. |
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Title |
On the ecology of the snow leopard in the Zailisky-Alatau (Northern Tien Shan) |
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Year |
1990 |
Publication |
Int Ped Book of Snow Leopards |
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6 |
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25-30 |
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Keywords |
Tien-Shan; ecology; China; browse; Kazakhstan; Russia; Soviet-Union; distribution; population; prey; behavior; food-habits; scat-analysis; 3240 |
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Full text available at URL |
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SLN @ rana @ 168 |
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1078 |
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Author |
Hongguang, H.; Yongfu, X. |
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Title |
Captive snow leopards in the Chongqing Zoo |
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1994 |
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191-193 |
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China; zoos; captivity; cage; food; feeding; diet; management; zoo; browse; 3390 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 228 |
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389 |
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Author |
Qiming, H.; Guoxin, L. |
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Title |
Notes on the keeping of the snow leopard at the Beijing Zoo |
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1994 |
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195-197 |
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China; zoos; zoo; Beijing; temperature; care; husbandry; diet; food; parasites; gastroentertitis; browse; 3320 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text available at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 242 |
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799 |
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Author |
Lilin, Z. |
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Title |
Captive rearing of a wild snow leopard cub in the Xining Zoo, China |
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1994 |
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177-182 |
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zoos; captivity; zoo; husbandry; rearing; distribution; diet; food; feeding; young; cubs; reproduction; breeding; mating; China; browse; 3700 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 245 |
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619 |
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Author |
Qiming, X. |
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Title |
Captive care and management of wild snow leopard cubs at the Chengdu Zoo, China |
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1994 |
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187-189 |
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China; zoos; captivity; cubs; husbandry; care; food; diet; housing; browse; 3830 |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 250 |
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800 |
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Rana, B.S. |
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Title |
Distinguishing kills of two large mammalian predators in Spiti Valley Himachal Pradesh |
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1997 |
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J.Bombay Nat.Hist.Soc |
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94 |
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3 |
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553 |
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behavior; endangered; threatened species; foods; feeding; mammals; predation; wildlife; livestock relationships; snow leopard; Tibetan wolf; prey; livestock; India; panthera uncia; canis lupis; browse; threatened; species; relationships; tibetan; wolf; panthera; uncia; canis; lupis; 610 |
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The author studied livestock killed by predators in the Spiti Valley, India, to determine what species had killed yaks, horses, donkeys, and other domestic animals. Eleven of the kills examined were made by snow leopards and six by the Tibetan wolf. Wolves were involved in surplus killings, while snow leopards kill as food is needed. lgh |
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Document Type: English |
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SLN @ rana @ 326 |
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804 |
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