西双版纳国家级自然保护区外来入侵植物监测

Monitoring of Alien Invasive Species in Xishuangbanna National Nature Reserve

采用样线法和样方法,在西双版纳国家级自然保护区内及周边区域,对外来入侵植物进行3次监测。结果表明:西双版纳国家级自然保护区内外来入侵植物有9科18属18种,保护区内及周边区域有23科49属57种,物种数量稳定,分布范围呈扩大趋势,飞机草、紫茎泽兰分布较广,薇甘菊分布范围扩大。

The alien invasive plants were monitored in Xishuangbanna National Nature Reserve with sampling methods of line-transect and quadrat for three times. The results showed that there were 9 families, 18 genera and 18 species of invasive plants in Xishuangbanna National Nature Reserve;there were 23 families 49 genera and 57 species in both the reserve and adjacent areas. Number of the invasive plant species remained stable;the scope of their distribution showed an enlarging trend. Ageratina adenophora and Eupatorium odoratum were found in a large proportion of the reserve, and occurrences of Mikaina micrantha remained increasing.