Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan
Agriculture in Central Asia largely relies on irrigation. The water is withdrawn from the rivers of the region, which predominantly originate from snowfields and glaciers. Due to global warming, these water resources are expected to decline substantially, resulting in an aggravation of already exist...
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| Format: | Article |
| Language: | English |
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Kazakh German University
2018-11-01
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| Series: | Central Asian Journal of Water Research |
| Subjects: | |
| Online Access: | https://drive.google.com/file/d/1Tyz-cHjoKoBTIwbbh7Cmnl18txh9dqD_/view |
| _version_ | 1819083108386865152 |
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| author | Eva Strenge Niels Thevs Kumar Aliev Maksat Eraaliev Petra Lang Azim Baibagysov |
| author_facet | Eva Strenge Niels Thevs Kumar Aliev Maksat Eraaliev Petra Lang Azim Baibagysov |
| author_sort | Eva Strenge |
| collection | DOAJ |
| description | Agriculture in Central Asia largely relies on irrigation. The water is withdrawn from the rivers of the region, which predominantly originate from snowfields and glaciers. Due to global warming, these water resources are expected to decline substantially, resulting in an aggravation of already existing water scarcity. Tree shelterbelt systems, as the most prominent practice of agroforestry in Central Asia, are reported to help to reduce water consumption in irrigated agriculture. Populus. alba is one of the most important shelterbelt trees in Central Asia. Though, studies about water consumption of shelterbelts are lacking. Therefore, the objectives of this study are to (1) investigate water consumption of Populus alba trees in a shelterbelt system in Central Asia and (2) analyze the influence of local climatic conditions on the sap flow of such a shelterbelt. Tree water consumption was assessed through sap flow measurements on three trees in a crop shelterbelt system in the Chui Valley in South Eastern Kazakhstan during June and July 2016. The average daily water consumption was 187.6 l/d, 44.8 l/d, and 160 l/d for the trees, respectively. These results were extrapolated for a representative shelterbelt section. Water consumption of that section was 7.8 mm/d, while average ETo was 5.3 mm/d. Considerable influences of water vapor saturation deficit, air temperature and relative humidity on the sap flow could be observed. Solar radiation played a role, too, whereas little or no influence of wind speed on tree water consumption was found. |
| first_indexed | 2024-12-21T20:27:19Z |
| format | Article |
| id | doaj.art-30291dd379e444dd85518148263e91d9 |
| institution | Directory Open Access Journal |
| issn | 2522-9060 |
| language | English |
| last_indexed | 2024-12-21T20:27:19Z |
| publishDate | 2018-11-01 |
| publisher | Kazakh German University |
| record_format | Article |
| series | Central Asian Journal of Water Research |
| spelling | doaj.art-30291dd379e444dd85518148263e91d92022-12-21T18:51:21ZengKazakh German UniversityCentral Asian Journal of Water Research2522-90602018-11-01414268https://doi.org/10.29258/CAJWR/2018-RI.v4-1/48-62.engWater consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern KazakhstanEva Strenge0Niels Thevs1Kumar Aliev2Maksat Eraaliev3Petra Lang4Azim Baibagysov5echnical University of Vienna, Vienna, AustriaWorld Agroforestry Center, Central Asia Office, Bishkek, KyrgyzstanWorld Agroforestry Center, Central Asia Office, Bishkek, KyrgyzstanUniversity of Trier, Trier, GermanyUniversity of Trier, Trier, GermanyKazakh National University, Almaty, KazakhstanAgriculture in Central Asia largely relies on irrigation. The water is withdrawn from the rivers of the region, which predominantly originate from snowfields and glaciers. Due to global warming, these water resources are expected to decline substantially, resulting in an aggravation of already existing water scarcity. Tree shelterbelt systems, as the most prominent practice of agroforestry in Central Asia, are reported to help to reduce water consumption in irrigated agriculture. Populus. alba is one of the most important shelterbelt trees in Central Asia. Though, studies about water consumption of shelterbelts are lacking. Therefore, the objectives of this study are to (1) investigate water consumption of Populus alba trees in a shelterbelt system in Central Asia and (2) analyze the influence of local climatic conditions on the sap flow of such a shelterbelt. Tree water consumption was assessed through sap flow measurements on three trees in a crop shelterbelt system in the Chui Valley in South Eastern Kazakhstan during June and July 2016. The average daily water consumption was 187.6 l/d, 44.8 l/d, and 160 l/d for the trees, respectively. These results were extrapolated for a representative shelterbelt section. Water consumption of that section was 7.8 mm/d, while average ETo was 5.3 mm/d. Considerable influences of water vapor saturation deficit, air temperature and relative humidity on the sap flow could be observed. Solar radiation played a role, too, whereas little or no influence of wind speed on tree water consumption was found.https://drive.google.com/file/d/1Tyz-cHjoKoBTIwbbh7Cmnl18txh9dqD_/viewagroforestrycentral asiacrop water consumptionpopulus albasap flowtree shelterbelt |
| spellingShingle | Eva Strenge Niels Thevs Kumar Aliev Maksat Eraaliev Petra Lang Azim Baibagysov Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan Central Asian Journal of Water Research agroforestry central asia crop water consumption populus alba sap flow tree shelterbelt |
| title | Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan |
| title_full | Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan |
| title_fullStr | Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan |
| title_full_unstemmed | Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan |
| title_short | Water consumption of Populus alba trees in tree shelterbelt systems in Central Asia – a case study in the Chui Valley, South Eastern Kazakhstan |
| title_sort | water consumption of populus alba trees in tree shelterbelt systems in central asia a case study in the chui valley south eastern kazakhstan |
| topic | agroforestry central asia crop water consumption populus alba sap flow tree shelterbelt |
| url | https://drive.google.com/file/d/1Tyz-cHjoKoBTIwbbh7Cmnl18txh9dqD_/view |
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