黄帝陵保护区鸟类研究

A study of birds in Huangdi tomb conservation area

对黄帝陵保护区鸟类从区系、食性、数量等方面进行了调查和分析．结果表明：保护区内有鸟６７种（亚种），隶属１４目２９科，其中东洋种８种，古北种３１种，广布种２８种；食虫鸟类２８种，喜食松毛虫的鸟有７种；并对３３种鸟采用遇见频次指数法进行数量统计，其中优势种５种，常见种８种，稀有种２０种．

In Huangdi tomb conservation area which is located in Shaanxi province, a survey of the avian fauna, the feeding habits and number is carried out. The result shows that there are 67 species of birds (including subspecies), belonging to 14 orders, 29 families. Among them, 8 oriental species, 31 palearctic species, 28 widespread species, 28 insectivorous species (7 species like to feed on Dendrolimns punctatus) .And the statistics of 33 species of birds, by means of meeting frequency index, show that there are 5 dominant species, 8 common species and 20 rare species.