Food fluctuation is the important research contents of the food security,but the study on the food fluctuation was the less.

Effects of coevolution between herbivores and herbages on range management;

Effects of herbivores on dispersal and germination capacity of Zoysia japonica seeds;

Progress in the coadaptation and coevolution between plants and herbivores;

The Response Mechanism of Plant Fitness to Herbivore;

The review and evaluation on the study methods for herbivore food habit;