Mapping groundwater dependent vegetation, an integrative study: A case study in the Darling River floodplain, western N.S.W., Australia  


Authors / CoAuthors

Gow, L.J. | Lymburner, L. | Halas, L. | McIntyre, A. | Lawrie, K. | Magee, J.

Abstract

Identification of groundwater-dependent (terrestrial) vegetation, and assessment of the relative importance of different water sources to vegetation dynamics commonly involves detailed ecophysiological studies over a number of seasons or years. However, even when groundwater dependence can be quantified, results are often difficult to upscale beyond the plot scale. Consequently, quicker, more regional mapping approaches have been developed. These new approaches utilise advances in computation geoscience, and remote sensing and airborne geophysical technologies. The Darling River Floodplain, western New South Wales, Australia, was selected as the case study area. This semi-arid landscape is subject to long periods of drought followed by extensive flooding. Despite the episodic availability of surface water resources, two native Eucalyptus species, E. camaldulensis (River Red Gum) and E. largiflorens (Black Box) continue to survive in these conditions. Both species have recognised adaptations, include the ability to utilise groundwater resources at depth. A remote sensing methodology was developed to identify those communities potentially dependent on groundwater resources during the recent millennium drought in Australia.

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nonGeographicDataset

eCat Id

74657

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  Custodian

EGD  

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Commonwealth of Australia (Geoscience Australia)  
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia

Keywords

  • External PublicationConference Paper
( Theme )
  • vegetation
( Theme )
  • Airborne Electromagnetics
( Theme )
  • groundwater
Australian and New Zealand Standard Research Classification (ANZSRC)
  • Earth Sciences
  • Published_Internal

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2012-01-01T00:00:00

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Creative Commons Attribution 4.0 International Licence    

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geoscientificInformation

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