Town-and-city concentration area is confronted with ecological degeneration due to the expansion of urbanization,and enriching urban bio-diversity is conducive to the improvement of ecological function of urban green ...Town-and-city concentration area is confronted with ecological degeneration due to the expansion of urbanization,and enriching urban bio-diversity is conducive to the improvement of ecological function of urban green system.The paper has studied how to increase urban bio-diversity by making use of urban green lands for protection and construction of wild animals' habitats,and proposed the significance and theoretical idea for protection and construction of wild animals' habitats.By taking ecological green lands design in Qinglongchang of Chengdu City for example,it has analyzed the current situation of animals' diversity;proposed to plan corridor,construct biological channel and provide multiporous habitats;listed plants' selection and collocation mode;and finally illustrated how to set artificial facilities for attraction of animals.It hopes to provide a reference for the design of ecological green lands in cities advocating the harmonious development of living environment and natural environment.展开更多
Cultivated land is the most important strategic resource to ensure food security.The newly constructed quality classification system of cultivated land resources considers the cultivated land health index for the firs...Cultivated land is the most important strategic resource to ensure food security.The newly constructed quality classification system of cultivated land resources considers the cultivated land health index for the first time.How the new classification and grading index system and the quality classification results of cultivated land resources to effectively guide the preparation of municipal land space planning has become a key research direction.This paper expounds the overall design idea for quality classification of cultivated land resources and classification index system.Taking Chongzuo City as an example,through the analysis of the quality classification results of cultivated land resources in the study area,using GIS spatial analysis and factor pairwise comparison method,this paper explores the application ideas and methods of quality classification research results of cultivated land resources in the formulation of cultivated land retention target,the delineation of dominant areas of cultivated land protection,the delineation of three control lines,the comprehensive improvement of land,and ecological restoration zoning in the municipal land space planning.展开更多
本文以上海市临港新城为例,在垃圾分类情景下对不同类型的生活垃圾处理手段进行碳排放评估。结果表明,临港新城生活垃圾处理过程的碳排放随着垃圾产生量迅速增长而增加,但是随着垃圾分类的实施,湿垃圾处理方式从简单的好氧堆肥逐渐演变...本文以上海市临港新城为例,在垃圾分类情景下对不同类型的生活垃圾处理手段进行碳排放评估。结果表明,临港新城生活垃圾处理过程的碳排放随着垃圾产生量迅速增长而增加,但是随着垃圾分类的实施,湿垃圾处理方式从简单的好氧堆肥逐渐演变为更加绿色低碳的厌氧发电制肥,与现状单位碳排放量相比,远期单位碳排放量下降约38.51%。现状单位碳排放量约为410 kg CO_(2)-eq,规划近期单位碳排放量约为390 kg CO_(2)-eq,规划远期单位碳排放量约为363 kg CO_(2)-eq,单位生活垃圾处理碳排放量不断下降。展开更多
基金Supported by National Science and Technology Support Program in "11 th Five-Year Plan"(2008BAJ10B06)~~
文摘Town-and-city concentration area is confronted with ecological degeneration due to the expansion of urbanization,and enriching urban bio-diversity is conducive to the improvement of ecological function of urban green system.The paper has studied how to increase urban bio-diversity by making use of urban green lands for protection and construction of wild animals' habitats,and proposed the significance and theoretical idea for protection and construction of wild animals' habitats.By taking ecological green lands design in Qinglongchang of Chengdu City for example,it has analyzed the current situation of animals' diversity;proposed to plan corridor,construct biological channel and provide multiporous habitats;listed plants' selection and collocation mode;and finally illustrated how to set artificial facilities for attraction of animals.It hopes to provide a reference for the design of ecological green lands in cities advocating the harmonious development of living environment and natural environment.
文摘Cultivated land is the most important strategic resource to ensure food security.The newly constructed quality classification system of cultivated land resources considers the cultivated land health index for the first time.How the new classification and grading index system and the quality classification results of cultivated land resources to effectively guide the preparation of municipal land space planning has become a key research direction.This paper expounds the overall design idea for quality classification of cultivated land resources and classification index system.Taking Chongzuo City as an example,through the analysis of the quality classification results of cultivated land resources in the study area,using GIS spatial analysis and factor pairwise comparison method,this paper explores the application ideas and methods of quality classification research results of cultivated land resources in the formulation of cultivated land retention target,the delineation of dominant areas of cultivated land protection,the delineation of three control lines,the comprehensive improvement of land,and ecological restoration zoning in the municipal land space planning.
文摘本文以上海市临港新城为例,在垃圾分类情景下对不同类型的生活垃圾处理手段进行碳排放评估。结果表明,临港新城生活垃圾处理过程的碳排放随着垃圾产生量迅速增长而增加,但是随着垃圾分类的实施,湿垃圾处理方式从简单的好氧堆肥逐渐演变为更加绿色低碳的厌氧发电制肥,与现状单位碳排放量相比,远期单位碳排放量下降约38.51%。现状单位碳排放量约为410 kg CO_(2)-eq,规划近期单位碳排放量约为390 kg CO_(2)-eq,规划远期单位碳排放量约为363 kg CO_(2)-eq,单位生活垃圾处理碳排放量不断下降。
