By field systematic investigation and,indoor trials,the characters of Chinese chestnut Canopy Arthropod Community structure was investigated using the knowledge and theory of community ecology.

Influences of transgenic Bt cotton upon arthropod community and analysis of potential risk about it;

Effect and the acting mechanisms of the habitats and vegetational diversity on arthropod community in agroecosystem;

The impact of different management methods on arthropod community in litchi orchards;

Diversity and stability of the arthropod communities in different forest types of the bamboo Phyllostachys heterocycla cv. pubescens;

The results showed that there were no significant difference between herbicide tolerant soybean and non-transgenic soybean in Shannon-winner diversity index, simpson, evenness, number of species and dominant concentration of arthropod communities.

The effect of forest fire disturbance on arthropod communities in the forests of Pinus yunnanensis and forests of Pinus yunnanensis var.

Change in structure and diversity of soil arthropod communities after slash-and-burn of secondary forest in Xishuangbanna, Yunnan Province;

Composition of groups, distribution of individuals and diversity of soil arthropod communities in the tropical montane rainforest and tropical monsoon rainforest of Xishuangbanna were studied in September and December 1999.