The Rise and Fall of Water Net (Hydrodictyon reticulatum) in New Zealand

Wells, Rohan D.S. and Hall, J.A. and Clayton, J.S. and Champion, P.D. and Payne, G.W. and Hofstra, D.E. (1999) The Rise and Fall of Water Net (Hydrodictyon reticulatum) in New Zealand. Journal of Aquatic Plant Management, 37, pp. 49-55.

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Official URL: http://www.apms.org/japm/vol37/v37p49.pdf

Abstract

During the late 1980s to early 1990s a range of aquatic habitats in the central North Island of New Zealand were invaded by the filamentous green alga, water net Hydrodictyon reticulatum (Linn. Lagerheim). The alga caused significant economic and recreational impacts at major sites of infestation, but it was also associated with enhanced invertebrate numbers and was the likely cause of an improvement in the trout fishery. The causes of prolific growth of water net and the range of control options pursued are reviewed. The possible causes of its sudden decline in 1995 are considered, including physical factors, increase in grazer pressure, disease, and loss of genetic vigour.

Item Type: Article
Title: The Rise and Fall of Water Net (Hydrodictyon reticulatum) in New Zealand
Personal Creator/Author:
CreatorsEmail
Wells, Rohan D.S.
Hall, J.A.
Clayton, J.S.
Champion, P.D.
Payne, G.W.
Hofstra, D.E.
Refereed: Yes
Journal or Publication Title: Journal of Aquatic Plant Management
Volume: 37
Page Range: pp. 49-55
Date: 1999
Issuing Agency: Aquatic Plant Management Society, Inc.
Additional Information: ISSN 0146-6623
Uncontrolled Keywords: algal control; algal invasions; ecological impacts; water net; Hydrodictyon reticulatum; New Zealand
Subjects: Ecology
Conservation
Biology
Item ID: 1761
Depositing User: Natalie Wiest
Date Deposited: 24 Nov 2008 21:32
Last Modified: 29 Sep 2011 20:04
URI: http://aquaticcommons.org/id/eprint/1761

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