甘肃白水江自然保护区绿尾虹雉分布与生态的初步观察

DISTRIBUTION AND ECOLOGY OF CHINESE MONALS IN BAISHUIJIANG NATURE RESERVE GANSU

依据野外观察，对甘肃白水江自然保护区绿尾虹雉（Ｌｏｐｈｏｐｈｏｒｕｓｌｈｕｙｓｉｉ）的分布、数量与现状、栖息环境、生活习性等生态特征进行了初步研究。结果表明，在北纬３２°３８＇─３２°５７＇、东经１０４°１５＇─１０５°０４＇之间形成了沿摩天岭山脊北侧宽窄不一的水平分布带、东西长达１９公里；垂直分布在海拔２３００─４０７２米之间。根据地势、气候和植被分布等特点，将栖息地划为三个生态分布带，其数量在高山稀疏灌丛、草甸、裸岩带为３．２５只／平方公里、亚高山针叶林带为１．６只／平方公里，针阔混交林带为０．５只／平方公里；以植物性食物为主，夜栖树上、主要天敌为猛禽。

Chinese monals (Lophophorut lhuysii) are vegetative birds, they live in forests with little underwoods, meadows or bare rocky crests. According to the season, they may migrate vertically. Ln winter they descended to the conifer broad-leafed mixed forest about 2000m above the sea level. Ln no-reproductive season, the monals formed small groups of 8-9 pheasants. Active in the early moming and late evening,the monals slept in the canopies of conifer trees in the evenings. Camivores and birds of prey predated on the monals. Ln this study, the Chinese monals were only found in a narrow strip along the north montane of Mt. Motianling. However, their density varied among habitats. In alpine shrubs and meadows, there were 3.25 pheasants per square kilometer, 1.6 in submontane spiny forests, but only 0.5 in conifer-broad leafed mixed forests.