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机构地区:[1]西南林学院,昆明650224
出 处:《四川动物》2008年第3期356-362,共7页Sichuan Journal of Zoology
摘 要:2006年2~3月,在云南省丽江拉市海自然保护区对越冬灰鹤Grusgrus生境的利用情况进行了调查。初步了解了越冬灰鹤的生境选择,同时应用模糊综合评价法对鸟类生境进行评价。结果发现灰鹤对该区域各类型生境均有利用,但对不同特征的生境具有不同的选择性。通过对越冬灰鹤的生境进行因子分析,结果表明:影响越冬灰鹤生境选择的因子依次是食物(贡献率为39.211%),隐蔽性(20.426%),干扰(18.358%),水源(16.967%)。因此与之相应的小麦地和豌豆地非常适合灰鹤的越冬需求,评价结果也显示这两类生境状况为"优",而相对差的为杂草地和草滩两类生境。The habitat utilization of common crane Grus grus was investigated from February to March 2006 in Lashi Lake Nature Reserve of Lijiag City, Yunnan Province. The habitat selected by common crane showed that all kinds of habitats could be used during wintering time. Faintness synthetic method was used for the evaluation of the bird habitats. The results showed that habitats were used by different purpose. The habitat factors were analyzed, and the influencing factors of habitat selection were food (39.211% of contributing ratio), hiding (20.426%), disturbance (18.358%), water source (16.967%), respectively. Wheat land and pea land were especially fit for common crane to subsist in winter. The results of evaluation also showed that these two kinds of habitats were priority, and the weed land and grass wetland were inferior.
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