Tree Shelterbelts as an Element to Improve Water Resource Management in Central Asia
Thevs, Niels1; Strenge, Eva2; Aliev, Kumar1; Eraaliev, Maksat3; Lang, Petra2; Baibagysov, Azim4; Xu, Jianchu5
2017-11-01
发表期刊WATER
ISSN2073-4441
卷号9期号:11页码:842
摘要In Central Asia, agriculture, notably irrigated agriculture, is the largest water consumer. Currently, flood and furrow irrigation are the dominant irrigation methods in Central Asia, in particular in the post-Soviet countries. Against the background of current and increasing competition for watere.g., through reduced river runoffs in the course of climate changewater consumption of agriculture needs to be reduced. On the field plot level, improved irrigation technologies, like drip irrigation or plastic mulch, can reduce water consumption substantially. Alternatively, tree lines as wind breaks (shelterbelts) also can reduce crop water consumption, as shown by research from many drylands around the world. As previous research has concentrated on crop water consumption and not on tree water consumption, this paper brings the two together, in order to approach a more holistic picture, in how far shelterbelt systems, including the trees, may have the potential to save water or not. Crop water consumption was assessed through the Penman-Monteith approach for corn, wheat, potato, barley, and pear under open field conditions and under an assumed influence of a tree shelterbelt. Tree water consumption was investigated through sap flow measurements. Crop water consumption was reduced by 10-12% under influence of a shelterbelt compared to open field conditions. When water consumption of shelterbelts was added, a slight reduction of water consumption of the whole crop-shelterbelt system was found for corn, potato, and pear under the assumption 25 ha (500 x 500 m) field sizes. Under an assumption of 4 ha (200 x 200 m) field size, water consumption of the whole crop-shelterbelt system was higher for all crops investigated except for pear. The results suggest that shelterbelts may play a role in improving water resource management in Central Asia in the context of water demanding crops, like corn or cotton. In further research, other effects of shelterbelts, like increased crop yields and additional income from trees, need to be investigated.
关键词Agroforestry Poplar Sap Flow Evapo-transpiration Irrigated Agriculture Kyrgyzstan Kazakhstan
DOI10.3390/w9110842
语种英语
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60413
专题资源植物与生物技术所级重点实验室
作者单位1.World Agroforestry Ctr, Cent Asia Off, Bishkek 720001, Kyrgyzstan
2.Univ Trier, Fac Reg & Environm Sci, D-54286 Trier, Germany
3.German Kazakh Univ, Fac Social & Pooit Sci, Alma Ata 050010, Kazakhstan
4.Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Biodivers & Bioresources, Alma Ata 050040, Kazakhstan
5.Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Yunnan, Peoples R China
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Thevs, Niels,Strenge, Eva,Aliev, Kumar,et al. Tree Shelterbelts as an Element to Improve Water Resource Management in Central Asia[J]. WATER,2017,9(11):842.
APA Thevs, Niels.,Strenge, Eva.,Aliev, Kumar.,Eraaliev, Maksat.,Lang, Petra.,...&Xu, Jianchu.(2017).Tree Shelterbelts as an Element to Improve Water Resource Management in Central Asia.WATER,9(11),842.
MLA Thevs, Niels,et al."Tree Shelterbelts as an Element to Improve Water Resource Management in Central Asia".WATER 9.11(2017):842.
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