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Prolonged summer flooding switched dominance from the invasive weed Lippia ( Phyla canescens ) to native species in one small, ephemeral wetland

Prolonged summer flooding switched dominance from the invasive weed Lippia ( Phyla canescens ) to... Wetland 3.27 Prolonged summer flooding switched dominance from the invasive weed Lippia ( Phyla canescens ) to native species in one small, ephemeral wetland Jodi Price 1 , C. L. Gross 2 and Wal Whalley 3 ( 1 Institute of Ecology and Earth Sciences, University of Tartu, Estonia 51005; 2 Ecosystem Management, University of New England, Armidale, NSW, 2351, Australia; 3 Botany, University of New England, Armidale, NSW, 2351, Australia; Tel: 61 2 67733287; Fax: +61 2 67732769; Email: Jodi.Price@ut.ee ). Key words: environmental flows , Gwydir Wetlands , Lippia , Tall Spike‐rush . Introduction Lippia (Phyla canescens , Verbenaceae) is an invasive perennial forb from South America that is now widespread throughout the Murray Darling Basin in Australia, threatening the biological values of internationally significant wetlands (Ramsar sites) and the productivity of the grazing industry ( Earl 2003 ). In the Gwydir Wetlands in north western NSW, the spread of Lippia has been associated with large and widespread flooding that occurred in the late 1990s ( McCosker 1998 ). Lippia dominance is believed to be favoured by the altered flood regimes associated with river regulation, namely a reduction in the frequency and duration of flooding. Studies have http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecological Management & Restoration Wiley

Prolonged summer flooding switched dominance from the invasive weed Lippia ( Phyla canescens ) to native species in one small, ephemeral wetland

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References (6)

Publisher
Wiley
Copyright
© 2010 Ecological Society of Australia
ISSN
1442-7001
eISSN
1442-8903
DOI
10.1111/j.1442-8903.2010.00514.x
Publisher site
See Article on Publisher Site

Abstract

Wetland 3.27 Prolonged summer flooding switched dominance from the invasive weed Lippia ( Phyla canescens ) to native species in one small, ephemeral wetland Jodi Price 1 , C. L. Gross 2 and Wal Whalley 3 ( 1 Institute of Ecology and Earth Sciences, University of Tartu, Estonia 51005; 2 Ecosystem Management, University of New England, Armidale, NSW, 2351, Australia; 3 Botany, University of New England, Armidale, NSW, 2351, Australia; Tel: 61 2 67733287; Fax: +61 2 67732769; Email: Jodi.Price@ut.ee ). Key words: environmental flows , Gwydir Wetlands , Lippia , Tall Spike‐rush . Introduction Lippia (Phyla canescens , Verbenaceae) is an invasive perennial forb from South America that is now widespread throughout the Murray Darling Basin in Australia, threatening the biological values of internationally significant wetlands (Ramsar sites) and the productivity of the grazing industry ( Earl 2003 ). In the Gwydir Wetlands in north western NSW, the spread of Lippia has been associated with large and widespread flooding that occurred in the late 1990s ( McCosker 1998 ). Lippia dominance is believed to be favoured by the altered flood regimes associated with river regulation, namely a reduction in the frequency and duration of flooding. Studies have

Journal

Ecological Management & Restoration – Wiley

Published: Apr 1, 2010

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