Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands
Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of We...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bazié, H. R. [verfasserIn] Sanou, J. [verfasserIn] Bayala, J. [verfasserIn] Bargués-Tobella, A. [verfasserIn] Zombré, G. [verfasserIn] Ilstedt, U. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Agroforestry systems - Dordrecht : Springer Science + Business Media B.V., 1982, 92(2017), 6 vom: 19. Aug., Seite 1673-1686 |
|---|---|
| Übergeordnetes Werk: |
volume:92 ; year:2017 ; number:6 ; day:19 ; month:08 ; pages:1673-1686 |
| Links: |
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| DOI / URN: |
10.1007/s10457-017-0115-4 |
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| Katalog-ID: |
SPR010179755 |
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| 520 | |a Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. | ||
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| 700 | 1 | |a Bayala, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Bargués-Tobella, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Zombré, G. |e verfasserin |4 aut | |
| 700 | 1 | |a Ilstedt, U. |e verfasserin |4 aut | |
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10.1007/s10457-017-0115-4 doi (DE-627)SPR010179755 (SPR)s10457-017-0115-4-e DE-627 ger DE-627 rakwb eng 630 640 ASE 48.50 bkl Bazié, H. R. verfasserin aut Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 Sanou, J. verfasserin aut Bayala, J. verfasserin aut Bargués-Tobella, A. verfasserin aut Zombré, G. verfasserin aut Ilstedt, U. verfasserin aut Enthalten in Agroforestry systems Dordrecht : Springer Science + Business Media B.V., 1982 92(2017), 6 vom: 19. Aug., Seite 1673-1686 (DE-627)320523136 (DE-600)2014831-8 1572-9680 nnns volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 https://dx.doi.org/10.1007/s10457-017-0115-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-FOR SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 48.50 ASE AR 92 2017 6 19 08 1673-1686 |
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10.1007/s10457-017-0115-4 doi (DE-627)SPR010179755 (SPR)s10457-017-0115-4-e DE-627 ger DE-627 rakwb eng 630 640 ASE 48.50 bkl Bazié, H. R. verfasserin aut Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 Sanou, J. verfasserin aut Bayala, J. verfasserin aut Bargués-Tobella, A. verfasserin aut Zombré, G. verfasserin aut Ilstedt, U. verfasserin aut Enthalten in Agroforestry systems Dordrecht : Springer Science + Business Media B.V., 1982 92(2017), 6 vom: 19. Aug., Seite 1673-1686 (DE-627)320523136 (DE-600)2014831-8 1572-9680 nnns volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 https://dx.doi.org/10.1007/s10457-017-0115-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-FOR SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 48.50 ASE AR 92 2017 6 19 08 1673-1686 |
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10.1007/s10457-017-0115-4 doi (DE-627)SPR010179755 (SPR)s10457-017-0115-4-e DE-627 ger DE-627 rakwb eng 630 640 ASE 48.50 bkl Bazié, H. R. verfasserin aut Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 Sanou, J. verfasserin aut Bayala, J. verfasserin aut Bargués-Tobella, A. verfasserin aut Zombré, G. verfasserin aut Ilstedt, U. verfasserin aut Enthalten in Agroforestry systems Dordrecht : Springer Science + Business Media B.V., 1982 92(2017), 6 vom: 19. Aug., Seite 1673-1686 (DE-627)320523136 (DE-600)2014831-8 1572-9680 nnns volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 https://dx.doi.org/10.1007/s10457-017-0115-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-FOR SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 48.50 ASE AR 92 2017 6 19 08 1673-1686 |
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10.1007/s10457-017-0115-4 doi (DE-627)SPR010179755 (SPR)s10457-017-0115-4-e DE-627 ger DE-627 rakwb eng 630 640 ASE 48.50 bkl Bazié, H. R. verfasserin aut Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 Sanou, J. verfasserin aut Bayala, J. verfasserin aut Bargués-Tobella, A. verfasserin aut Zombré, G. verfasserin aut Ilstedt, U. verfasserin aut Enthalten in Agroforestry systems Dordrecht : Springer Science + Business Media B.V., 1982 92(2017), 6 vom: 19. Aug., Seite 1673-1686 (DE-627)320523136 (DE-600)2014831-8 1572-9680 nnns volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 https://dx.doi.org/10.1007/s10457-017-0115-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-FOR SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 48.50 ASE AR 92 2017 6 19 08 1673-1686 |
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10.1007/s10457-017-0115-4 doi (DE-627)SPR010179755 (SPR)s10457-017-0115-4-e DE-627 ger DE-627 rakwb eng 630 640 ASE 48.50 bkl Bazié, H. R. verfasserin aut Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 Sanou, J. verfasserin aut Bayala, J. verfasserin aut Bargués-Tobella, A. verfasserin aut Zombré, G. verfasserin aut Ilstedt, U. verfasserin aut Enthalten in Agroforestry systems Dordrecht : Springer Science + Business Media B.V., 1982 92(2017), 6 vom: 19. Aug., Seite 1673-1686 (DE-627)320523136 (DE-600)2014831-8 1572-9680 nnns volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 https://dx.doi.org/10.1007/s10457-017-0115-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-FOR SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 48.50 ASE AR 92 2017 6 19 08 1673-1686 |
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Enthalten in Agroforestry systems 92(2017), 6 vom: 19. Aug., Seite 1673-1686 volume:92 year:2017 number:6 day:19 month:08 pages:1673-1686 |
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Nighttime sap flux Physiological response Sap flux Shea tree Vapor pressure deficit |
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Bazié, H. R. @@aut@@ Sanou, J. @@aut@@ Bayala, J. @@aut@@ Bargués-Tobella, A. @@aut@@ Zombré, G. @@aut@@ Ilstedt, U. @@aut@@ |
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R.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2017</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. 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These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. 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Bazié, H. R. |
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Bazié, H. R. ddc 630 bkl 48.50 misc Nighttime sap flux misc Physiological response misc Sap flux misc Shea tree misc Vapor pressure deficit Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands |
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630 640 ASE 48.50 bkl Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands Nighttime sap flux (dpeaa)DE-He213 Physiological response (dpeaa)DE-He213 Sap flux (dpeaa)DE-He213 Shea tree (dpeaa)DE-He213 Vapor pressure deficit (dpeaa)DE-He213 |
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Bazié, H. R. |
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temporal variations in transpiration of vitellaria paradoxa in west african agroforestry parklands |
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Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands |
| abstract |
Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. |
| abstractGer |
Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. |
| abstract_unstemmed |
Abstract Lack of data on water use of key species of drylands constitutes an obstacle to understanding their role in hydrological processes in this environment. To elucidate seasonal variation in water consumption by Vitellaria paradoxa, the dominant species of parklands of the semi-arid areas of West Africa, we’ve measured its transpiration using heat ratio method (HRM) and seven potential explanatory variables. Sap flux was found to be significantly different among years with 0.64, 0.59 and 0.67 L $ h^{−1} $ $ dm^{−2} $ in 2008, 2009 and 2010, respectively. Sap flux was significantly higher in the dry (0.73 L $ h^{−1} $ $ dm^{−2} $) than in the wet season (0.53 L $ h^{−1} $ $ dm^{−2} $). Nighttime sap flux during dry season (0.48 L $ h^{−1} $ $ dm^{−2} $) was significantly higher than that of the wet season (0.20 L $ h^{−1} $ $ dm^{−2} $) and it contributes on average to 26% of daily sap flow with a maximum reaching 49%. The mean transpiration rate per tree was 151 L $ day^{−1} $ and all measured variables except rainfall and soil water content were significantly correlated with sap flux. These correlations were stronger (higher R value) during the rainy than in the dry season. Vapor Pressure Deficit (VPD) explained the highest proportion of sap flux variation and their curve was of parabolic type ($ R^{2} $ = 0.54) indicating that V. paradoxa can probably down-regulate its canopy conductance beyond a certain threshold of VPD, which is about 3 kPa in the present study. Future studies should investigate such hypothesis as well as the impacts of the variation of V. paradoxa transpiration due to climatic variables on hydrological cycles. |
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Temporal variations in transpiration of Vitellaria paradoxa in West African agroforestry parklands |
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Sanou, J. Bayala, J. Bargués-Tobella, A. Zombré, G. Ilstedt, U. |
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| score |
7.402261 |