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Publication Type J
Authors Walsh, KB; Gale, MJ; Hoy, NT
Author Full Name Walsh, KB; Gale, MJ; Hoy, NT
Title Revegetation of a scalded saline discharge zone in Central Queensland .2. Water use by vegetation and watertable drawdown
Source AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE
Language English
Document Type Article
Author Keywords Casuarina glauca; Central Queensland; dryland salinity; land rehabilitation; phreatic watertable; tree water use; sap flow
Keywords Plus VENTILATED-CHAMBER; AGROFORESTRY; EVAPORATION; GROUNDWATER
Abstract The hydrological effect of Casuarina glauca trees established on a salt pan in East Barmoya, Central Queensland, is described. The sap flow of a single (4-year-old, 5 m tall) tree was logged with the steady-state heat balance technique at about 11 L/day. The watertable adjacent to the tree was depressed by about 130 mm relative to that 10 m from the tree, and demonstrated a diurnal oscillation of about 10 mm, consistent with an evapotranspiration rate of 1 mm/day. Infiltration was rapid in the vicinity of the tree, such that the watertable rose quickly (about 10 mm/h) in the vicinity of the tree after rainfall events. An apparent response of the watertable to changes in barometric pressure was also noted. The density of tree planting required to halt dryland salinity on this site was estimated, and a density trial was commenced with the aim of lowering the watertable to enable the re-establishment of pasture communities between the rows in a form of agroforestry.
Reprint Address Walsh, KB (reprint author), UNIV CENT QUEENSLAND,DEPT BIOL,ROCKHAMPTON,QLD 4702,AUSTRALIA.
Cited References BAKER JM, 1987, PLANT CELL ENVIRON, V10, P777; CRAIG RF, 1987, SOIL MECHANICS, P36; DUNIN FX, 1986, HYDROL PROCESS, V1, P47, DOI 10.1002/hyp.3360010106; DURHAM IH, 1989, 1989 HYDR WAT RES S, P477; EASTHAM J, 1993, LAND DEGRAD REHABIL, V4, P113, DOI 10.1002/ldr.3400040302; GREENWOOD EAN, 1988, AAAS SELECT, V109, P205; GREENWOOD EAN, 1986, RECLAM REVEG RES, V5, P423; GREENWOOD EAN, 1981, J HYDROL, V50, P155, DOI 10.1016/0022-1694(81)90066-4; HAINSWORTH JM, 1989, PLANT SOIL, V113, P121, DOI 10.1007/BF02181929; HOY NT, 1994, AUST J EXP AGR, V34, P765, DOI 10.1071/EA9940765; JOHNSTONE CD, 1991, 1 CSIRO GROUNDW TECH; Poulton D., 1990, Management of soil salinity in South East Australia. Proceedings of a symposium held at Albury, New South Wales, 18-20 September 1989., P71; SCHOFIELD NJ, 1991, AUST J SOIL RES, V29, P635, DOI 10.1071/SR9910635; THORBURN PJ, 1992, CATCHMENTS GREEN, P63; TODD DK, 1980, GROUNDWATER HYDROLOG, P218
Cited Reference Count 15
Times Cited 1
Total Times Cited Count (WoS, BCI, and CSCD) 1
Publisher C S I R O PUBLICATIONS
Publisher City COLLINGWOOD
Publisher Address 150 OXFORD ST, PO BOX 1139, COLLINGWOOD VICTORIA 3066, AUSTRALIA
ISSN 0816-1089
29-Character Source Abbreviation AUST J EXP AGR
ISO Source Abbreviation Aust. J. Exp. Agric.
Year Published 1995
Volume 35
Issue 8
Beginning Page 1131
Ending Page 1139
Digital Object Identifier (DOI) 10.1071/EA9951131
Page Count 9
Web of Science Category Agriculture, Multidisciplinary
Subject Category Agriculture
Document Delivery Number TY083
Unique Article Identifier WOS:A1995TY08300010
Plants associated with this reference

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