Urban Residents'''' Needs-Oriented Functional Protection of Cultivated Land in Beijing
北京城市居民需要导向下的耕地功能保护

Cultivated land protection measure is regarded as a basic national policy in China.In order to solve the problems resulted from the shortage of cultivated land resources and achieve the goal of food security of China,a set of land management policies have been implemented.However,the dynamic equilibrium of cultivated land resources is still out of control,especially for such a metropolis like Beijing.It seems useless to call for the citizens protecting the quantity,quality and ecology of cultivated land,so it is necessary to renovate the consciousness of urban residents about the functions of cultivated land and update the traditional cultivated land protection methods.It is a comparatively feasible way to solve the cultivated land loss in Beijing.Cultivated land has multiplicate functions.In different evolutive stages of human needs,the primary and secondary functions of cultivated land are different.Human needs can be classified into three levels,the need of survival,the need of development and the need of enjoyment.Furthermore,Beijing urban residents' needs are specific,which can be divided into three stages according to the urban residents' life stages.In addition,to validate their coexistent needs',current cognitions on cultivated land functions and urban residents' agro-tourism tendency were investigated.Then the key function needed to be protected of cultivated land in Beijing was analyzed.The study shows that: At the first stage,the key function of cultivated land needed to protect is its productive ability;at the second stage,the key function is mainly the production and the sightseeing-and-recreation;and at the third stage,it is its multiform functions,such as ecological service,view,sightseeing and recreation,social service.