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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク West African giraffe ： ウィキペディア英語版 West African giraffe The West African giraffe, Niger giraffe or Nigerian giraffe (''Giraffa camelopardalis peralta'') is a subspecies of giraffe distinguished by its light colored spots, which is found in the Sahel regions of West Africa. In the 19th century it ranged from Senegal to Lake Chad,〔 yet in 2011 this subspecies only survives in a few isolated pockets containing about 310 individuals in total.〔(Niger : la population des girafes augmente de 24% en 2011 (officiel) ), Xinhua, 2012-03-01.〕 Its last self-sustaining herd is in southwest Niger, supported by a series of refuges in Dosso Region, and the tourist center at Kouré, some 80 km southeast of Niamey.〔(Giraffe Preservation in Niger - Courtesy of the A.S.G.N. (n.d.) )〕 All captive supposed "West African giraffe" are now known to be African graficiKordofan giraffe (''G. c. antiquorum'').〔 ==Decline== Before World War I, at the time of European colonial administrations, West African giraffe lived in pockets across the Sahel and savanna regions of West Africa. Population growth, involving more intensive farming and hunting, a series of dramatic droughts since the late 19th century, and environment destruction (both natural and human made) have all contributed to their dramatic decline. As late as the 1960s, prior to the Sahel drought that lasted to the early 1980s, populations identified as ''G. c. peralta'' existed in Senegal, Niger, eastern Mali, northern Benin, northern Nigeria, southwest Chad and northern Cameroon. However, recent genetic research has shown that the populations from northern Cameroon and southern Chad actually are the Kordofan giraffe (''G. c. antiquorum'').〔 Therefore the giraffes that remain in Waza National Park (Cameroon) belong to the Kordofan giraffe, while the only remaining viable population of the West African giraffe is in Niger.〔 In Niger, herds have been reported from the Agadez Region, and across the west and south of the country. Herds regularly traveled into the Gao Region of Mali as well and throughout the Niger River valley of Niger. Drought struck again in the 1980s and 1990s, and in 1991 there were less than 100 in the nation, with the largest herd in the western Dosso Region numbering less than 50, and scattered individuals along the Niger River valley moving from Benin to Mali, and clinging to the W National Park and nearby reserves.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「West African giraffe」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.