soil stabilization
2.The results indicated that the preferences for forest public goods and services from high to low were ranked as water resources reservoir, soil stabilization and land erosion control, biodiversity conservation, carbon sequestration, and ecotourism offerings.
3.Duringh the temporary survey and the environmental warship,bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation.

