The Oasis Water Resources Management Based On Ecological Footprint Theory

The water shortage has become a global problem that affects all levels of waterusers. In this paper,we apply to the theory of ecological footprint and water footprintwith the help of the data from Gansu Water Resources Bulletin,Gansu developmentyeatbook and Gansu Yearbook. We have done some surveys of the characteristics ofarid inland river basin water resources utilization,besides,we have calculated theecological footprint of the Shule River Basin water,crop water footprint,waterfootprint of food production,water resources carrying capacity and ecological deficitin2003-2010. Based on all these surveys,we proposed several measures of themanagement strategy of integrated water resources.The key results are summarized as follows:1. Most of the fresh water resources of the basin are used by the Shule Riveragricultural. From2003to2010,Shule River agricultural water ecologicalfootprint,ecological footprint of industrial water,ecological footprint of dailylife,ecological footprint of urban public water,ecological and environmental waterecological footprint and the ecological footprint of the total water resources are2621929.3hm~2、131543.4hm~2、66087.8hm~2、11047.3hm~2、108866.0hm~2and4070441.9hm~2. In the Shule River basin water,agricultural water footprint,which accounts for64.4%of the total water resources ecological footprint,takes the most. It is followedby the ecological footprint of industrial water,3.2%of the total water resourcesecological footprint,and the ecological footprint of ecological environment water is inthe third place,occupying2.7%of the total number.2.From2003to2010,Shule River ecological footprint of agricultural water,dailylife water ecological footprint,ecological footprint of urban public watersupply,ecological and environmental water ecological footprint and the total waterresources ecological footprint tend to increase,especially the agricultural waterecological footprint,ecological footprint of daily life water,town public water ecological footprint,ecological and environmental water ecological footprint and thetotal water resources ecological footprint increased sharply. Since2005,the degree ofincrease is relatively weak,especially in2009,daily life ecological footprint shows asignificant decline. However,the ecological footprint of industrial water shows acontinuous decline in the fluctuations from2003to2007,and it turns to increase from2008to2010,3. From2003to2010, the ability of Shule River maintaining the ecologicalenvironment and sustainable economic and social development of the Shule RiverBasin water resources has improved. The average carrying capacity of it is only0.1552hm~2/cap during2003-2010. Shule River Basin water resources carrying forceshows an increasing trend in the fluctuations, increased from0.1539hm~2/cap in2003to0.1869hm~2/cap in2010,the carrying capacity of water resources in2004keeps aminimum of0.1341hm~2/cap,and in2010,Water Resources Carrying Capacity reachesits max.But Shule River ecological deficit is still increasing,raising from4.2467hm~2/cap in2003to6.2065hm~2/cap in2010.4. The blue water footprint was12.159Gm~3/yr,and blue water footprint perperson is2460.76m~3/person in2003-2010the Shule river basin. Total crop greenwater and blue water footprint and water footprint footprints are showing a parabolic,increased after decreased trend. The total water footprint of crops presents a graduallyincreasing tendency from2004to2006, and relatively stable from2006-2008,andgradual decline in2008-2010. The blue water footprint shows the characteristics ofsimilar to the total water footprint; Green water footprint continues to grow from2004to2008. The total water footprint of crops was26.74Gm~3, the blue water footprint ofcrops was25.16Gm~3and green water footprint crops was1.58Gm~3, accounted for94.1%and5.9%. That showed the agriculture consumes a lot of blue water resources,and he arid area oasis agriculture needs a large number of irrigation water.5. We have analyzed the sustainable and coordinated development of strategicchoice to achieve economic,social and ecological environment of the Shule River bysocial factors,economic factors,ecological environment and technical factors,then wehave made a conclusion,that is,the implementation of integrated water resources management in the Shule River is the best way to achieve economic and socialwell-being.