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Aspinall, J. (1978). Some aspects of breeding tigers and other big cats. Friends of Howletts and Port Lympne, 1(Spring), 26–32.
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Blomqvist, L. (1978). Snow leopard photos. In International Pedigree Book of Snow Leopards (pp. 141–151).
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Anonymous. (1978). Look what's new at the zoo! Rare kittens make the nursery lively. WORLD, December(40), 20–24.
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Calgary Zoological Society. (1978). Snow leopard. Calgary Dinny's Digest, 4(7), 4–11.
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Jackson, R. (1978). A report on wildlife and hunting in the Namlang (Langu) Valley of West Nepal.
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Freeman, H. (1978). Social Behavior in the Snow Leopards and its implications for captive management. Int.Ped.Book of Snow Leopards, 1, 71–77.
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Brunstein, L. (1978). Handrearing Snow Leopards in the Cheyenne Mountain Zoo. Int.Ped.Book of Snow Leopards, 1, 44–49.
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Blomqvist, L., & Rieger, I. (1978). Snow leopard references. International Pedigree Book of Snow Leopards, , 153–160.
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Zhirnov L.V. (1978). Rare and endangered species of the USSR.
Abstract: A description of snow leopard number, distribution, reproductive biology, death reasons, and conservation measures in the USSR, where northern and north-western border of its habitat runs, is given. The population of snow leopard in the USSR is 500 1,000 animals. In the Inner Tien Shan, 400 snow leopards were caught 1936 through 1970. The maximum of 120 skins was purchased in Pamir in 1956 1958. Population of snow leopard directly correlates with population of ibex, a fact being verified by data collected on a long-term basis. Moreover, snow leopard was for a long time considered as a harmful animal, shooting of which was encouraged by premiums and resulted in reduction of snow leopard population.
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Kaletskiy A. (1978). They must live (Vol. N 11.).
Abstract: Among large predators included in the Red Data Book of the USSR and Red List of IUCN the author describes snow leopard. A population of snow leopard in the USSR is estimated to be 500 animals, and no more than 1,000 in the world. In the past, irbis was believed to be a harmful animal and hunting for this species was encouraged. Today, population of the predator is reducing because of poaching and decreasing number of species it preys on such as ibex, wild sheep, wild boar, and marmots. The situation is exacerbated by biological features of this species first of all its slow rate of reproduction. It is concluded that snow leopard needs urgent protection measures since the species is on the verge of disappearance.
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