The relationship between native vegetation and in-stream salinity: an Australian case study

Versace, Vince Lawrence, Ierodiaconou, Daniel, Stagnitti, Frank, Hamilton, Andrew John, Walter, M. Todd, and Leblanc, Marc (2007) The relationship between native vegetation and in-stream salinity: an Australian case study. In: Schumann, Andreas, and Pahlow, Markus, (eds.) Reducing the Vulnerability of Societies to Water Related Risks at the Basin Scale. IAHS Press, pp. 1-5.

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The Glenelg-Hopkins area is a large regional watershed (2.6 million ha) in southwest Victoria that has been extensively cleared for agriculture. In-stream electrical conductivity (EC) in relation to remnant native vegetation is examined from the headwaters to the upper extent of the estuary of the Glenelg River. Five water quality gauging stations were selected. Their contributing subcatchments represent a continuum of disturbance. Proportions of native vegetation ranged from ~100% at the headwaters of the river to ~30% at the furthest downstream gauge station. The relationship between remnant vegetation and in-stream EC was examined using aggregated and non-aggregated land use statistics over a period of 22 years from three land use maps. Increased proportions of native vegetation were significantly negatively correlated with in-stream EC and were consistent across all scenarios investigated.

Item ID: 4916
Item Type: Book Chapter (Research - B1)
ISBN: 978-1-901502-29-9
Keywords: dryland salinity, GIS, land cover, land degradation, land use, vegetation
Date Deposited: 04 Sep 2009 04:28
FoR Codes: 04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040608 Surfacewater Hydrology @ 100%
SEO Codes: 96 ENVIRONMENT > 9609 Land and Water Management > 960905 Farmland, Arable Cropland and Permanent Cropland Water Management @ 100%
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