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Tree water use under conditions of drought

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/141150

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Title: Tree water use under conditions of drought
Related: Agricultural science, Vol. 17, No. 3, (2005), p.8-11
Publisher: Australian Institute of Agricultural Science and Technology
Date: 2005
Author/Creator: Zeppel, M. J. B
Author/Creator: Eamus, D
Description: The impact of drought on tree water use was investigated in remnant forest in the Liverpool Plains NSW. Tree water use was measured using commercial sap flow testers from December 2002 to September 2004 which corresponded with a period of drought and a period of higher rainfall. Understorey evapotranspiration and soil moisture were also measured. Water use of the stand of trees was a larger proportion of annual total rainfall (87%) during the drought period than during the post-drought period (50% water use) when rainfall was higher. Understorey water use was about 20% of rainfall, suggesting that the understorey evapotranspiration component of the water balance can make a significant contribution to water use and the availability of water for groundwater recharge. The results indicate that the remnant forest was able to survive during the drought because of deep roots. The findings also demonstrate the valuable role forests play in maintaining the hydrological balance and in ameliorating the development of dryland salinity in agricultural areas (A).
Description: 4 page(s)
Subject Keyword: Soil water balance
Subject Keyword: Soil water regimes
Subject Keyword: Narrow leafed ironbark
Subject Keyword: Eucalyptus crebra
Subject Keyword: Evapotranspiration
Subject Keyword: Understorey
Subject Keyword: Groundwater recharge
Subject Keyword: Groundwater level
Subject Keyword: Hydrology
Subject Keyword: Dryland salinity
Subject Keyword: Salinity control
Subject Keyword: Revegetation
Subject Keyword: Soil water relations
Subject Keyword: Plantations
Subject Keyword: Forest plantations
Subject Keyword: Plant water relations
Subject Keyword: Water use
Subject Keyword: Trees
Subject Keyword: Remnant vegetation
Subject Keyword: Native forests
Subject Keyword: Callitris glaucophylla
Subject Keyword: White cypress pine
Resource Type: journal article
Organisation: Macquarie University. Dept. of Biological Sciences

Identifier: http://hdl.handle.net/1959.14/141150
Identifier: ISSN:1030-4614
Identifier: mq_res-ext-201109140950-1
Language: eng
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