By analyzing the field population of Brandt’s vole,it reveals that the daily non-feeding grass consumption is about 2.81g (in dry) or 7.22g (in fresh) per vole.There is about 11 percent of the gnawed grass will be re-utilized by the vole within 24 hours.The non-feeding grass consumption of this species is much more lower than its daily food consumption.
The foraging effect and the foraging-preference behavior of the vegetarian can influent the composition as well as the succession of the plant community. And the plant community can also influence many affects of the vegetarian, such as the physiology, behavior, population characteristic, distribution, the inter-species interaction and the composition of the animal community. The relationship between the animal and the plant act as a important role in the structure and composition of the animal and plant communities.