牯牛降自然保护区白蚁区系分布及其在生态系统中作用

对牯牛降自然保护区准原始次生林进行4次调查采集，共鉴定白蚁36种，隶属2科9属，其中2种为安徽新记录种。该区的白蚁区系分布有以下3个特点：1.白蚁种类多，优势种十分明显；2.牯牛降是象白蚁亚科的种类在皖境内最丰富的区域；3.白蚁种类的垂直分布明显且很有特色。白蚁在自然保护区生态系统中的作用利大于害，无需进行防治。

Natural Reserves and the Role of Termites in Ecosystem

Termite investigations and collections were conducted for 4 times in a quasi-primary forest of the Guniujiang Natural Reserves.Thirty-six species of termites including 2 families and 9 species were identified,among them 2 species were the new records in Anhui.The distribution of the Guniujiang termite fauna had 3 features:1.The fauna was rich in species and has distinct dominant species.2.The area owned the richest Nasutitermitinae.3.Vertical distribution of the termites were of distinguishing feature.In the ecosystem of this area,termites played more useful roles than harmful roles,thus it was unnecessary to control them.