Freeman, H. (1983). Behavior in adult pairs of captive snow leopards (Panthera uncia). Zoo Biology, 2(1), 1–22.
Abstract: Eight adult pairs of snow leopards (Panthera uncia) were observed for one to three years in the months December through March to determine the species' social and reproductive characteristics in captivity. To statistically examine the occurrence of behaviors as a function of estrus, the observation weeks were divided into three time blocks: before estrus, estrus, and after estrus. Using percentage of scan samples as an estimate of time spent in various behaviors, 16 behaviors and combined behavior categories were examined for (1) behaviors that differentiated successfully from unsuccessfully breeding pairs, (2) sex differences in behavior, (3) significant correlations between pair members, and (4) behaviors that showed time block effects. The rationale for identifying a behavioral profile of successful breeders in snow leopards was to aid zoos in their captive management programs by increasing their knowledge of the social behavior of this species. By finding correlates to breeding success, informed decisions on whether to change partners after a certain period of time, how to group the cats, and the optimum strategy for a survival plan can be made. (PsycINFO Database Record (c) 2000 APA, all rights reserved
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Freeman, H. (1988). Resolutions Conservation of Snow Leopard, Fifth International Snow Leopard Symposium. (pp. 267–269). Usa.
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Freeman, H. (1988). Introduction to the Fifth International Snow Leopard Symposium. In H.Freeman (Ed.), (ix). International Snow Leopard Trust and Wildlife Institute of India.
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Freeman, H. (1988). Proceedings of the Fifth International Snow Leopard Symposium. India: International Snow Leopard Trust and Wildlife Institute of India.
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Freeman, H. (1990). The view from here: permit hunting of snow leopards. Snow Line, (Winter), 2–3.
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Freeman, H., Jackson, R., Hillard, R., & Hunter, D. O. (1994). Project Snow Leopard: a multinational program spearheaded by the International Snow Leopard Trust. In J.L.Fox, & D. Jizeng (Eds.), (pp. 241–245). Usa: Islt.
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Freeman, H. (1996). What's Happening in Mongolia (Vol. xiv). Seattle: Islt.
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Frolov M.V. (1981). About establishment of the Dashti-Djum nature reserve in Tajikistan.
Abstract: The Dashti-Djum nature reserve is suggested to be established in an area of the Darvaza and Khazratishah ridges a habitat of markhor, ibex, long-tailed marmot, etc. Snow leopard and brawn bear are also found at some parts of the planned nature reserve.
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Frueh, R. (1968). A note on breeding snow leopards at the Saint Louis Zoo. Int.Zoo Yearbook, 8, 74–76.
Abstract: Breif comments on physical characteristics of the young, care and reproductive behavior of snow leopards
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Fuller, S., & Ahmed, J. (1997). Opportunities for Transfrontier Protected Areas in Northern Pakistan. In R.Jackson, & A.Ashiq (Eds.), (pp. 204–215). Lahore, Pakistan: Islt.
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