【摘要】 以北京市为例,展开了垃圾拾荒者的拾捡行为对自然环境、土地资源的影响以及所拾捡资源的种类和数量的研究,在此基础上进行垃圾拾荒者做出的经济贡献的研究,并估算2007年垃圾拾荒者所做出的经济贡献大小。更多还原

【Abstract】 With Beijing for example,the effects of the waste picking behavior on the natural environment and land resources as well as the varieties and quantity of the picked resources were studied,based on which the economic contribution of the waste pickers was evaluated,and their economic contribution in 2007 was estimated.更多还原