琅琊山风景区大型土壤动物群落结构

The Community Structure of Soil Macrofauna in Mount Langyashan Scenic Area in Chuzhou,Anhui Province

为了解琅琊山风景区大型土壤动物数量和群落组成,2012年3-4月对该地区大型土壤动物进行研究,共获得土壤动物775只,隶属3门8纲12目.调查表明:节肢动物最多,有585只,占75.51%;环节动物170只,占21.94%;软体动物20只,占2.58%.寡毛纲,倍足纲、昆虫纲为优势类群.风景区大型土壤动物受游憩活动的影响明显,游憩活动量越强的区域大型土壤动物分布越少,由近游道向远离游道的水平方向上大型土壤动物的类群和数量递增.在垂直分布上土壤深处向表层聚集明显.

The soil macrofauna community structure was investigated in Mount Langyashan Chuzhou, Anhui Province from Mar to Apr in 2012. The result shows that the total 775 specimens were collected,which belong to 3phylums,8 classes and 12 orders. Among them Anthropoda have 585 individuals 75. 51%,Annelida have 170 individuals 21. 94%,Mollusa have 20 individuals 2. 58%. Oligachaeta,Diplopoda and Insecta were dominants.The soil animals in scenic area were affected obviously by recreation activity,the more is the recreation activity,the less is the number of soil animals. The categories and amount of soil animals rise gradually with the increase of distance away from the trails,and the soil animals gathered obviously in surface layer of soil invertical section.