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Anonymous |
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Save the Snow Leopard. (Road and Gas Pipeline Project Threatens Ecology of Siberia) |
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2000 |
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The Ecologist |
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30 |
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4 |
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14 |
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pipeline; siberia; Russia; ecology; habitat; environmentalism; browse; 1030 |
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An interregional organisation called Siberian Accord plans to construct a road and gas pipeline to China, This association, which has vast political powers, exists to create favorable conditions for investing in Siberia. |
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Copyright 2000 MIT Press Journals Document Type: English |
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SLN @ rana @ 393 |
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90 |
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Sundberg, J.P.; Van Ranst, M.; Montali, R.; Homer, B.L.; Miller, W.H.; Rowland, P.H.; Scott, D.W.; England, J.J.; Dunstan, R.W.; Mikaelian, I.; Jenson, A.B. |
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Feline papillomas and papillomaviruses |
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Journal Article |
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2000 |
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Vet Pathol |
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37 |
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1 |
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1-10 |
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Animal; Antibodies; Monoclonal; Carnivora; pathology; virology; Cats; Dna; Viral; chemistry; Epitope; Mapping; veterinary; Female; Immunohistochemistry; Lions; Male; Microscopy; Electron; Papilloma; Papillomavirus; Papovaviridae; Infections; skin; neoplasms; Tongue; browse; 120 |
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Papillomaviruses (PVs) are highly species- and site-specific pathogens of stratified squamous epithelium. Although PV infections in the various Felidae are rarely reported, we identified productive infections in six cat species. PV-induced proliferative skin or mucous membrane lesions were confirmed by immunohistochemical screening for papillomavirus-specific capsid antigens. Seven monoclonal antibodies, each of which reacts with an immunodominant antigenic determinant of the bovine papillomavirus L1 gene product, revealed that feline PV capsid epitopes were conserved to various degrees. This battery of monoclonal antibodies established differential expression patterns among cutaneous and oral PVs of snow leopards and domestic cats, suggesting that they represent distinct viruses. Clinically, the lesions in all species and anatomic sites were locally extensive and frequently multiple. Histologically, the areas of epidermal hyperplasia were flat with a similarity to benign tumors induced by cutaneotropic, carcinogenic PVs in immunosuppressed human patients. Limited restriction endonuclease analyses of viral genomic DNA confirmed the variability among three viral genomes recovered from available frozen tissue. Because most previous PV isolates have been species specific, these studies suggest that at least eight different cat papillomaviruses infect the oral cavity (tentative designations: Asian lion, Panthera leo, P1PV; snow leopard, Panthera uncia, PuPV-1; bobcat, Felis rufus, FrPV; Florida panther, Felis concolor, FcPV; clouded leopard, Neofelis nebulosa, NnPV; and domestic cat, Felis domesticus, FdPV-2) or skin (domestic cat, F. domesticus, FdPV-1; and snow leopard, P. uncia, PuPV-2). |
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0300-9858 |
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Document Type: eng |
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SLN @ rana @ 385 |
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948 |
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Matyushkin, E.N. |
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Tracks and tracking techniques in studies of large carnivorous mammals |
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2000 |
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Zoologichesky Zhurnal |
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79 |
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(4) |
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412-429 |
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Lynx; Scent-Marking; Organization; population; behavior; Felidae; Forest; Russia; tracking; pug marks; scent; marking; browse; 60; Russian |
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In Russia, traditions of track observations and the use of tracking techniques in studying the ecology and behavior of mammals were founded by A.N. Formozov. An analytic review of his data on large carnivorous mammals (tiger, snow leopard, wolf, brown bear, wolverine, and others) is given. A special detailed observation of animals' tracks as a source of information on their life is shown only to start. The efficiency of track observations in various fields of studies, including counting animals, is estimated. The values of day and night distances for various animal species, given in literature, have never been properly substantiated methodically. The tracking method is the most effective in studying the use of the home range by animals, drawing the network of their movements and scent-marking behavior. The hunting behavior of large predators in dense forests is can only be deduced by observing their tracks. In some cases, the use of tracking has a distinct advantage over radio tracking. The main propositions are illustrated by the materials of the author obtained in various Russian regions (in forests of the northern Russian Plain and southern Far east) for 1958-1998. |
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Document Type: Russian |
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SLN @ rana @ 391 |
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652 |
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