Ecological urbanization : a rational choice of urbanization in ecotone 生态脆弱区城镇化道路的必然选择
It is well known that karst areas are typically ecologically fragilie 喀斯特地区是典型的生态环境脆弱区。
Evaluation of land use suitability at the vulnerable ecological area based on rs gis 的生态脆弱区土地利用适宜性评价
Analysis of the soil quality deterioration of vulnerable karst ecological region in guizhou 贵州喀斯特生态脆弱区土壤质量退化分析
A tentative study on agricultural developing pattern of eco - environmental fragile area in western jilin province 吉林省西部生态环境脆弱区农业发展模式探讨
The situation has been serious that the land has degraded in the west of liaoning province during recent decades 辽西地区近几十年来土地退化严重,已成为生态脆弱区。
Main research conclusion is as follows : 1 the eco - fragile area is a district where natural ecosystem is out of balance over a long period of time 主要研究结论如下: 1生态脆弱区是指那些自然生态系统长期处于失衡状态的区域。
So regarding youyang autonomous county as an example , the land sustainable use of western eco - fragile region with serious soil and water erosion is studied in this dissertation 为此,本文以酉阳自治县为例,就西部水土流失型生态脆弱区的土地资源可持续利用作以研究。
Tianjin new coastal area locates on the estuarial area and seashore where ecological environment is vulnerable . it is a very difficult task to implement the sustainable land use here 但由于该区地处河、海、陆交汇的生态脆弱区,实现土地可持续利用是一项极其艰巨的任务。
Guizhou is not only one of province with the most sharp contradictory between population and land in china , but also is a typical acceptability and conspicuous undeveloped region 贵州省不仅是我国人地矛盾最尖锐的省份之一,而且是典型的生态脆弱区和全国突出的欠发达地区。