摘要
2009年12月～2010年3月间在西藏日喀则南木林县南木林镇岗噶村周围对藏雪鸡的冬季活动规律与觅食地选择进行了初步研究。结果显示,藏雪鸡在该地区冬季主要活动在平均海拔4484.16±242.99m(n=73),上线海拔达到5233m,下线海拔4213m。日活动强度显示有3个峰点,分别是9:00、12:00、19:00。主要以6～10只为集群的形式觅食。通过对73个样方14个参数进行主成分分析后发现,海拔高度是冬季藏雪鸡活动规律及觅食地选择的最主要因子,植被是次主要因子,坡向是次要因子。
The behavior patterns and feeding site selection of Tibetan snowcock（Tetraogallus tibetanus） during the winter were studied from Nov 2009 to May 2010 in Gangga village of Nanmuling county,Xigaze.Tibetan snowcock were active at 4484.16±242.99（n=73）m elevation in the study area and there were three obvious active peak durations（9：00in the morning,12：00 at noon and 7：00 in the afternoon） in a day.Tibetan snowcock were feeding as flock during the winter with 6～10 individuals in a flock commonly.14 variables and 73 samples were analyzed statistically by the principal components analysis to find out the main factor which influences the feeding site selection of Tibetan snowcock.The result showed that elevation is the main factor,vegetation is secondary main factor and slope is third factor for the feeding site selection of Tibetan snowcock during the winter in the study area.
关键词
藏雪鸡
活动规律
觅食地
冬季
Tetraogallus tibetanus
Behavior
Feeding-site selection
Winter
