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Title: The spatiotemporal variation analysis of virtual water for agriculture and livestock husbandry: A study for Jilin Province in China
Author: X. L. Ma and Y. J. Ma
Corresponding Author: 马延吉
Source: Science of the Total Environment
Issued Date: 2017
DOI: 10.1016/j.scitotenv.2017.02.106
Volume: 586, Pages:1150-1161
Abstract: With the rapid development of economic, water crisis is becoming more and more serious and would be an important obstacle to the sustainable development of society. Virtual water theory and its applications in agriculture can provide important strategies for realizing the reasonable utilization and sustainable development of water resources. Using the Penman-Monteith model and Theil index combining the CROPWAT software, this work takes Jilin Province as study area quantifying the virtual water content of agriculture and livestock husbandry and giving a comprehensive evaluation of their spatiotemporal structure evolution. This study aims to help make clear the water consumption of agriculture and livestock husbandry, and offer advice on rational water utilization and agricultural structure adjustment. The results show that the total virtual water (TVW) proportion of agriculture presents a gradual growth trend While that of livestock husbandry reduces during the study period. In space, central Jilin shows the highest virtual water content of agriculture as Well as livestock husbandry, the TVW in central Jilin is about 35.8 billion m(3). The TVW of maize is highest among six studied crops, and the cattle shows the highest TVW in the four kinds of animals. The distribution of TVW calculated by us and the distribution of actual water resources have remarkable difference, which leads to the increase of water consumption and cost of agricultural production. Finally, we discuss the driving force of the spatiotemporal variation of the TVW for agriculture and livestock husbandry, and also give some advises for the planting structural adjustment. This work is helpful for the sustainable development of agricultural and livestock husbandry and realizing efficient utilization of water resources. (C) 2017 Elsevier B.V. All rights reserved.
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Content Type: 期刊论文
URI: http://ir.iga.ac.cn/handle/131322/7557
Appears in Collections:湿地与全球变化学科组_期刊论文

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