浙江安吉龙山林场及其周围地区的鸟类

THE AVIFAUNA IN THE AREA AROUND THE LONGSHAN FOREST FARM, ANJI COUNTY, ZHEJIANG PROVINCE

浙江安吉龙山林场及其周围地区共记录到鸟类１１目２７科９５种，其中留鸟３６种，占鸟类总数的３８％，迁徒鸟５９种，占６２％。夏候鸟于春季（４月７日）到达，秋季（１０月２４日）离去，持续停留时间约２０１天。大部分冬候鸟和旅鸟于秋季（９月１２日）出现，春季（５月１６日）离去，持续停留时间约２４７天。柳莺，主要是黄眉柳莺的情况比较特殊，除６月份外，几乎全年都可看到。人工林内有鸟类８４种，条带统计记录到５９种。其中留鸟２５种，各季节平均密度为４０．１４只／１０ｈｍ２（公顷）。夏候鸟１４种，春、夏季平均密度约为４．８３只／１０ｈｍ２。冬候鸟和旅鸟２０种，除夏季外，其余季节平均密度为１３．７３只／１０ｈｍ２。最重要的留鸟有棕头鸦雀（Ｐａｒａｄｏｘｏｒｎｉｓｗｅｂｂｉａｎｕｓ）、大山雀（Ｐａｒｕｓｍａｊｏｒ）、三道眉草（Ｅｍｂｅｒｉｚａｃｉｏｉｄｅｓ）、银喉（长尾）山雀（Ａｎｇｉｔｈａｌｏｓｃａｎｄａｔｕｓ）、画眉（Ｇａｒｒｕｌａｘｃａｎｏｒｕｓ）和白头鹎（Ｐｙｃｎｏｎｏｔｕｓｓｉｎｅｎｓｉｓ），最重要的冬候鸟和旅鸟是各种柳莺（Ｐｈｙｌｌｏｓｃｏｐｕｓｓｐｐ．）和树鹨（Ａｎｔｈｕｓｇｕｓｔａｖｉ），最重要的夏候鸟是寿带［鸟］?

bird species under 27 families 11 orders (4 suborders) were found in the area around Longshan Forest Farm (30°55' N, 19° 54 ' E), Anji County, Zhejiang Pvovince from 1984 to 1988. Most of them, 59 species, 63% of all species, belong to emigratory birds: summer visitors, winter visitors and travellers. The former stay here for 201 days from April 7 to Oct.24, the latter, not including some willow warblers, for 247 days from September 12 to May 16. The Yellow-browed Willow Warbler (Phylloscopus inornatus) was observed almost all the year round except June.There were 83 bird species in plantation, 59 species of them were recorded in 18 strip transects from 1986 to 1988. The average density of 25 resident bird species in all 4 seasons was 40.14 individuals per 10 ha. Combining with the data of autumn, winter and spring the average density of 20 winter visitors and travellers was 13.73 individuals per 10 ha. The average density of 14 summer visitors combining with the data of spring and summer was 4.83 individuals per 10 ha. According to the Important Value, the most important resident birds were Rufous-headed Crowtit (Paradoxornis webbianus), Great Tit (Parus major), Meadow Bunting (Emberiza cioides), Long-tailed Tit (Aegithalos caudatus), Hwamei (Garrulax canorus) and Chinese Bulbul (Pycnonotus sinensis), the most important winter visitors and travellers were Oriental Tree Pipit (Anthus hodgsoni) and willow warblers, such as Dusky Willow Warbler (Phylloscops fuscatus), Yellow-browed Willow Warbler, Yellow-rumped Willow Warbler (P. Proregulus) and Arctic Willow Warbler (P. borealis). The most important summer visitors were Paradise Flycatcher (Terpsiphone poradisi), Black Bulbul (Hypsipetesmadagascariensis) and Dark Green White-eye (Zosterops japonica).