Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/38098
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Type: Journal article
Title: Changes in vegetation patterns on the margins of a constructed wetland after 10 years
Author: Garde, L.
Nicol, J.
Conran, J.
Citation: Ecological Management & Restoration Online, 2004; 5(2):111-117
Publisher: Blackwell Publishing Asia
Issue Date: 2004
ISSN: 1442-8903
1442-7001
Statement of
Responsibility: 
Leigh M. Garde, Jason M. Nicol, John G. Conran
Abstract: A constructed urban wetland in Adelaide was surveyed 18 months and 10 years after construction to see how shoreline vegetation, soil electrical conductivity (EC), texture and pH changed over time and to provide data for future site management. Multivariate analysis detected four plant associations at 18 months: salt-tolerant taxa on conductive clays; a weed-dominated community on lower EC soil; and two smaller waterlogged, low EC clusters dominated by Common Reed (Phragmites australis) and Sea Club-Rush (Bolboschoenus caldwellii), respectively. At 10 years, site cover and heterogeneity was higher, with the margins dominated by Phragmites and salt-tolerant species. EC was much lower and more uniform, and the soils were heavier and more alkaline. Managed storm water flushing apparently lowered soil EC, but possibly also disturbed the shoreline. However, weeds were still common, and the potential for domination by Phragmites at the expense of other native shoreline species means that ongoing monitoring and hydrological and vegetation management are essential to maintain site habitat diversity.
Description: The definitive version is available at www.blackwell-synergy.com
RMID: 0020071474
DOI: 10.1111/j.1442-8903.2004.00185.x
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute publications

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