Dynamic Change of Water Resource Sustainable Development in Guizhou Karst Rocky Mountainous Area

In order to explore the dynamic change status of water resource sustainable development in Guizhou karst mountainous area,water resources ecological footprint,ecological carrying capacity and ecological profit and loss from 2000 to 2012were calculated and analyzed by using ecological footprint model.Results:The gross of water resources ecological footprint increased,the per capita water resources ecological footprint also showed an increased trend,but lower than the national average level.The water resources ecological footprint consumption was mainly the ecological footprint of water consumption,the average years accounted for 99.99%,but the proportion of water population ecological footprint increased in recent years.The value of water resources ecological footprint increased,the GDP(ten thousands Yuan)of water resources ecological footprint decreased year by year,the water resources utilization efficiency was higher than the average of nation-wide.The gross of ecological water resources carrying capacity fluctuated in the 120 000 000hm2,but showed a decreasing trend,and the per capita capacity also showed a declining trend.The water resources ecological was in surplus state,but showed a decreasing trend.It proved water resources was in sustainable development,but the sustainable development ability decreased.And on this basis,relevant proposals were put forward.