Abstract：
:There are nearly two million ha of red jujube in the arid inland agricultural region south of the Tianshan mountains in China that produce approximately 37.2% of the global red jujube market. This paper provides an insight into the spatiotemporal variation of the water footprint and economic water productivity of red jujube cultivation in six main red jujube-producing areas. The effects of regional policies, industrial clusters, planting structures, irrigation methods and brand values studied extensively in this paper and shows how these driving factors affect the variation. Time series data covering the period of 2003-2015 was used for the study. The results showed that the annual variation of yield, cultivated areas, water footprint and economic water productivity of red jujube cultivation have experienced upward trends in the Tianshan regions, but that there were also few differences between different growing areas. The blue water makes the largest contribution (more than 70%) to the components of the red jujube water footprint in each red jujube producing area. The contribution of grey water footprint to the total consumptive WF was quite small (less than 10%) and the remaining 10%-15% was due to the green water. The water footprint and overall economic water productivity through the red jujube in various producing areas are affected by local government management and performance. The possible ways of improving economic water productivity in terms of red jujube cultivation are through policy, technological and management interventions.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Yu J,Long A,Deng X,He X,Zhang P,Wang J,Hai Ydoi
10.1016/j.jenvman.2020.110828subject
Has Abstractpub_date
2020-09-01 00:00:00pages
110828eissn
0301-4797issn
1095-8630pii
S0301-4797(20)30759-3journal_volume
269pub_type
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