Identification of sap flow driving factors of jujube plantation in semi-arid areas in Northwest China
Jujube is widely cultivated in the semi-arid region of the Loess Plateau in Northwest China due to its high water deficit tolerance. In such an ecologically vulnerable area, it is critical to explore the water consumption processes of key tree species and their responses to driving factors. Sap flow...
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| Veröffentlicht in: | International journal of agricultural and biological engineering 2017-03, Vol.10 (2), p.172-183 |
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| container_title | International journal of agricultural and biological engineering |
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| creator | Xinguang, Wei Bo, Li Chengjiu, Guo Youke, Wang Jianqiang, He Liu, Shouyang Tieliang, Wang Mingze, Yao |
| description | Jujube is widely cultivated in the semi-arid region of the Loess Plateau in Northwest China due to its high water deficit tolerance. In such an ecologically vulnerable area, it is critical to explore the water consumption processes of key tree species and their responses to driving factors. Sap flow data gathered during a two-year field study in a jujube plantation were analyzed as a surrogate for transpiration measurements. The measured sap flows were related to changes in the soil water content, meteorological factors (the vapor pressure deficit and the level of photosynthetically active radiation), and plant physiological factors (the sap wood area, leaf area and leaf area index). The factors that govern sap flow were found to vary depending on the growing season, and on hourly and daily timescales. The plants' drought tolerance could be predicted based on their peak sap flows and the variation in their sap flow rates at different soil water levels. The sap flow was most strongly affected by the water content of the topmost (0-20 cm) soil layer. Of the studied meteorological factors, the photosynthetically active radiation had a greater effect on sap flow than the vapor pressure deficit. The correlation we found could be applied to predict jujube tree water consumption and assist the design of irrigation scheme. |
| doi_str_mv | 10.3965/j.ijabe.20171002.2140 |
| format | Article |
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In such an ecologically vulnerable area, it is critical to explore the water consumption processes of key tree species and their responses to driving factors. Sap flow data gathered during a two-year field study in a jujube plantation were analyzed as a surrogate for transpiration measurements. The measured sap flows were related to changes in the soil water content, meteorological factors (the vapor pressure deficit and the level of photosynthetically active radiation), and plant physiological factors (the sap wood area, leaf area and leaf area index). The factors that govern sap flow were found to vary depending on the growing season, and on hourly and daily timescales. The plants' drought tolerance could be predicted based on their peak sap flows and the variation in their sap flow rates at different soil water levels. The sap flow was most strongly affected by the water content of the topmost (0-20 cm) soil layer. Of the studied meteorological factors, the photosynthetically active radiation had a greater effect on sap flow than the vapor pressure deficit. The correlation we found could be applied to predict jujube tree water consumption and assist the design of irrigation scheme.</description><identifier>ISSN: 1934-6344</identifier><identifier>EISSN: 1934-6352</identifier><identifier>DOI: 10.3965/j.ijabe.20171002.2140</identifier><language>eng</language><publisher>Beijing: International Journal of Agricultural and Biological Engineering (IJABE)</publisher><subject>Arid regions ; Arid zones ; Drought ; Drought resistance ; Environmental Sciences ; Flow rates ; Global Changes ; Irrigation ; Irrigation design ; Leaf area ; Leaf area index ; Leaves ; Loess ; Measurement techniques ; Moisture content ; Photosynthetically active radiation ; Physiological effects ; Physiological factors ; Physiology ; Plantations ; Pressure ; Radiation ; Rain ; Semiarid environments ; Soil layers ; Soil water ; Soils ; Transpiration ; Trees ; Vapor pressure ; Vapors ; Water consumption ; Water content ; Water deficit ; Water levels ; Wood</subject><ispartof>International journal of agricultural and biological engineering, 2017-03, Vol.10 (2), p.172-183</ispartof><rights>Copyright International Journal of Agricultural and Biological Engineering (IJABE) Mar 2017</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,778,782,862,883,27907,27908</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01608848$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Xinguang, Wei</creatorcontrib><creatorcontrib>Bo, Li</creatorcontrib><creatorcontrib>Chengjiu, Guo</creatorcontrib><creatorcontrib>Youke, Wang</creatorcontrib><creatorcontrib>Jianqiang, He</creatorcontrib><creatorcontrib>Liu, Shouyang</creatorcontrib><creatorcontrib>Tieliang, Wang</creatorcontrib><creatorcontrib>Mingze, Yao</creatorcontrib><title>Identification of sap flow driving factors of jujube plantation in semi-arid areas in Northwest China</title><title>International journal of agricultural and biological engineering</title><description>Jujube is widely cultivated in the semi-arid region of the Loess Plateau in Northwest China due to its high water deficit tolerance. In such an ecologically vulnerable area, it is critical to explore the water consumption processes of key tree species and their responses to driving factors. Sap flow data gathered during a two-year field study in a jujube plantation were analyzed as a surrogate for transpiration measurements. The measured sap flows were related to changes in the soil water content, meteorological factors (the vapor pressure deficit and the level of photosynthetically active radiation), and plant physiological factors (the sap wood area, leaf area and leaf area index). The factors that govern sap flow were found to vary depending on the growing season, and on hourly and daily timescales. The plants' drought tolerance could be predicted based on their peak sap flows and the variation in their sap flow rates at different soil water levels. The sap flow was most strongly affected by the water content of the topmost (0-20 cm) soil layer. Of the studied meteorological factors, the photosynthetically active radiation had a greater effect on sap flow than the vapor pressure deficit. The correlation we found could be applied to predict jujube tree water consumption and assist the design of irrigation scheme.</description><subject>Arid regions</subject><subject>Arid zones</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>Environmental Sciences</subject><subject>Flow rates</subject><subject>Global Changes</subject><subject>Irrigation</subject><subject>Irrigation design</subject><subject>Leaf area</subject><subject>Leaf area index</subject><subject>Leaves</subject><subject>Loess</subject><subject>Measurement techniques</subject><subject>Moisture content</subject><subject>Photosynthetically active radiation</subject><subject>Physiological effects</subject><subject>Physiological factors</subject><subject>Physiology</subject><subject>Plantations</subject><subject>Pressure</subject><subject>Radiation</subject><subject>Rain</subject><subject>Semiarid environments</subject><subject>Soil layers</subject><subject>Soil water</subject><subject>Soils</subject><subject>Transpiration</subject><subject>Trees</subject><subject>Vapor pressure</subject><subject>Vapors</subject><subject>Water consumption</subject><subject>Water content</subject><subject>Water deficit</subject><subject>Water levels</subject><subject>Wood</subject><issn>1934-6344</issn><issn>1934-6352</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNo9Ts1LwzAcDaLgnP4JQsCTh9Z8NUmPY6gbDL3oufyaJjala2bSbvjfuzHx9B7vi4fQPSU5L2Xx1OW-g9rmjFBFCWE5o4JcoBktucgkL9jlPxfiGt2k1BEihebFDNl1Y4fRO29g9GHAweEEO-z6cMBN9Hs_fGEHZgwxnbxu6qba4l0Pw3gu-AEnu_UZRN9giBbSSXoLcWwPNo142foBbtGVgz7Zuz-co8-X54_lKtu8v66Xi03WMqrGzHAGGmpXG2loY1zNpdKMc93oprDW8AaUUyWTjAjBWOEYGK40hUKAU4bxOXo877bQV7votxB_qgC-Wi021UkjVBKthd7TY_bhnN3F8D0dr1ZdmOJwvFfRkkqpuGAl_wVcUmkR</recordid><startdate>20170301</startdate><enddate>20170301</enddate><creator>Xinguang, Wei</creator><creator>Bo, Li</creator><creator>Chengjiu, Guo</creator><creator>Youke, Wang</creator><creator>Jianqiang, 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effects</topic><topic>Physiological factors</topic><topic>Physiology</topic><topic>Plantations</topic><topic>Pressure</topic><topic>Radiation</topic><topic>Rain</topic><topic>Semiarid environments</topic><topic>Soil layers</topic><topic>Soil water</topic><topic>Soils</topic><topic>Transpiration</topic><topic>Trees</topic><topic>Vapor pressure</topic><topic>Vapors</topic><topic>Water consumption</topic><topic>Water content</topic><topic>Water deficit</topic><topic>Water levels</topic><topic>Wood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xinguang, Wei</creatorcontrib><creatorcontrib>Bo, Li</creatorcontrib><creatorcontrib>Chengjiu, Guo</creatorcontrib><creatorcontrib>Youke, Wang</creatorcontrib><creatorcontrib>Jianqiang, He</creatorcontrib><creatorcontrib>Liu, Shouyang</creatorcontrib><creatorcontrib>Tieliang, Wang</creatorcontrib><creatorcontrib>Mingze, Yao</creatorcontrib><collection>ProQuest Central 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Shouyang</au><au>Tieliang, Wang</au><au>Mingze, Yao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of sap flow driving factors of jujube plantation in semi-arid areas in Northwest China</atitle><jtitle>International journal of agricultural and biological engineering</jtitle><date>2017-03-01</date><risdate>2017</risdate><volume>10</volume><issue>2</issue><spage>172</spage><epage>183</epage><pages>172-183</pages><issn>1934-6344</issn><eissn>1934-6352</eissn><abstract>Jujube is widely cultivated in the semi-arid region of the Loess Plateau in Northwest China due to its high water deficit tolerance. In such an ecologically vulnerable area, it is critical to explore the water consumption processes of key tree species and their responses to driving factors. Sap flow data gathered during a two-year field study in a jujube plantation were analyzed as a surrogate for transpiration measurements. The measured sap flows were related to changes in the soil water content, meteorological factors (the vapor pressure deficit and the level of photosynthetically active radiation), and plant physiological factors (the sap wood area, leaf area and leaf area index). The factors that govern sap flow were found to vary depending on the growing season, and on hourly and daily timescales. The plants' drought tolerance could be predicted based on their peak sap flows and the variation in their sap flow rates at different soil water levels. The sap flow was most strongly affected by the water content of the topmost (0-20 cm) soil layer. Of the studied meteorological factors, the photosynthetically active radiation had a greater effect on sap flow than the vapor pressure deficit. The correlation we found could be applied to predict jujube tree water consumption and assist the design of irrigation scheme.</abstract><cop>Beijing</cop><pub>International Journal of Agricultural and Biological Engineering (IJABE)</pub><doi>10.3965/j.ijabe.20171002.2140</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Arid regions Arid zones Drought Drought resistance Environmental Sciences Flow rates Global Changes Irrigation Irrigation design Leaf area Leaf area index Leaves Loess Measurement techniques Moisture content Photosynthetically active radiation Physiological effects Physiological factors Physiology Plantations Pressure Radiation Rain Semiarid environments Soil layers Soil water Soils Transpiration Trees Vapor pressure Vapors Water consumption Water content Water deficit Water levels Wood |
| title | Identification of sap flow driving factors of jujube plantation in semi-arid areas in Northwest China |
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