Tree Water Use and Sources of Transpired Water in Riparian Vegetation Along the Daly River, Northern Territory
A O'Grady, CRC/CSIRO Forestry;
D Eamus, Institute for Water and Environmental Resource Management,
University of Technology, Sydney;
P Cook and
S Lamontagne, CSIRO Land and Water; G Kelly,Centre for Horticulture and Plant Sciences, University of Western Sydney; L Hutley, Northern Territory University
Department of the Environment and Heritage, 2003
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- Tree Water Use and Sources of Transpired Water in Riparian Vegetation Along the Daly River, Northern Territory - Summary (PDF - 132 KB)
- Tree Water Use and Sources of Transpired Water in Riparian Vegetation Along the Daly River, Northern Territory - Full Report (PDF - 4,901 KB)
About the report
Throughout northern Australia, agricultural and industrial development is increasing. Horticultural and pastoral industries, in particular, are developing rapidly and are becoming increasingly important export earners for the Northern Territory. Major large-scale land developments are planned for the Daly River region and the Darwin Region and it is expected that the Ord River irrigation scheme will be extended into the Northern Territory. In the Daly River region 194545 ha have already been cleared, 63% has occurred on pastoral leases, 29% on freehold and 8% on other land tenures (Hosking 2002). Water resource managers are faced with an urgent requirement to better understand the water regimes of tropical ecosystems in order to allocate water sustainably, thereby maintaining important environmental resources, services and values.
Much of the proposed development will result in large-scale clearance of native vegetation for improved pasture or irrigated agriculture. These large-scale changes in land use are expected to have a significant impact on regional water balances and resources. Under the terms of the 1994 Council of Australian Governments agreement between states and territories, managers must ensure that sufficient water is allocated to maintain environmental integrity.
Note: This report is related to the 'Recommended Environmental Water Requirements for the Daly River, Northern Territory, Based on Ecological, Hydrological and Biological Principles' report available from the Supervising Scientist Division web site.
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