机构地区: 肇庆学院生命科学学院
出 处: 《鞍山师范学院学报》 2012年第2期41-45,共5页
摘 要: 在不同疏密程度草本地共捕获大型土壤动物61只,分别隶属3门7纲14类.经研究得出结论:优势类群为蜘蛛目和膜翅目;草本(密)H'指数最高、草本(疏)e指数最高,草本(无)c指数最高;空间分布上大型土壤动物类群数和个体数量均为草本(密)>草本(疏)>草本(无),表聚现象明显;在群落相似性系数上草本(疏)和草本(密)表现出中等相似,草本(无)和草本(密)表现出明显中等不相似. According to the research of 61 soil macrofauna,which belong to 3 phylums,7 Classes,14 kinds,under different density degree of the herb,we arrive at a conclusion:superiority group are Araneida and Hymenoptera;H’ index in herb(dense) is the highest;e index in herb(sparse) is the highest;c index in herb(none)is the highest;group and individual number of soil macrofauna in spatial distribution are herb(dense)〉herb(sparse)〉herb(none),and another surface aggregation phenomenon;herb(sparse) and herb(dense) display medium in the community similarity coefficients,and herb(none) and herb(dense) display obviously medium not similar.
领 域: [农业科学]