Research Progress on Driving Factors of Species Diversity of Grassland Insects

Abstract

Insect species diversity is an important part of biodiversity in grassland ecosystems and a key link in the food chain. It plays an important role in maintaining the function and stability of grassland ecosystems. Studies have shown that grassland insect species diversity is closely related to grazing (strength, combination), climate (light, temperature, precipitation, atmosphere), plant diversity (type, height, coverage, biomass), but The specific mechanisms of grazing, climate, and plant diversity affecting grassland insect species diversity are not clear, especially how different grazing intensity and different grazing combinations drive insect diversity, and how specific grazing mechanisms affect insect species diversity have not been resolved. Moreover, there are few reports on the specific mechanisms of the effects of climate and plant diversity on insect species diversity. This paper collected and compiled 906 research papers on grassland insect species diversity and its driving factors at home and abroad, which is the future grassland insect species diversity. The research pointed out the direction and further explored the changes of grassland insect species diversity under the influence of grazing, climate, vegetation community and other driving factors in grassland ecosystem, and revealed for the first time the “grazing-plant-soil-grass insects” in grassland ecosystems. The interaction between the two.