基于LMDI法东莞市水资源生态足迹影响因素分析

Analysis of influence factor of water resources ecological footprint in Dongguan based on LMDI method

水资源生态足迹是衡量水资源可持续发展的重要指标。研究东莞市水资源生态足迹现状,并应用LMDI法剖析水资源生态足迹影响因素。结果表明:2000-2011年间,东莞市水资源生态足迹整体上呈现先急速上升后缓慢下降的趋势,经济效应是水资源生态足迹增长的主要推动因素,水足迹技术效应是抑制水资源生态足迹增长的关键因素,水足迹结构效应和人口效应一定程度上助长水资源生态足迹的增长。

The water resources ecological footprint is an important index to measure the sustainable devel -opment of water resources .The paper studied the situation of water ecological footprint and used LMDI method to analyze the factors that impact the water ecological footprint in Dongguan .The result showed that during the period of 2000 to 2011 ,the water ecological footprint of Dongguan presented a trend of first rapid rise and then slow decline .The economic effect is the main factor to promote the development of wa-ter ecological footprints .The water footprint technical effect is a key factor to restrain the growth of water ecological footprint .The effects of water footprint structure and population encouraged the growth of water ecological footprint to a certain extent .