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Lack of epifaunal response to the application of salt for managing the noxious green alga Caulerpa taxifolia in a coastal lake
O'Neill, K.M.; Schreider, M.J.; Glasby, T.M.; Redden, A.R. (2007). Lack of epifaunal response to the application of salt for managing the noxious green alga Caulerpa taxifolia in a coastal lake, in: Relini, G. et al. (Ed.) Biodiversity in Enclosed Seas and Artificial Marine Habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. Developments in Hydrobiology, 193: pp. 135-142
In: Relini, G.; Ryland, J. (Ed.) (2007). Biodiversity in Enclosed Seas and Artificial Marine Habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. Developments in Hydrobiology, 193. European Marine Biology Symposia, 39. ISBN 978-1-4020-6155-4. 271 pp. https://hdl.handle.net/10.1007/978-1-4020-6156-1, meer
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer

Ook gepubliceerd als
  • O'Neill, K.M.; Schreider, M.J.; Glasby, T.M.; Redden, A.R. (2007). Lack of epifaunal response to the application of salt for managing the noxious green alga Caulerpa taxifolia in a coastal lake. Hydrobiologia 580(1): 135-142. http://dx.doi.org/10.1007/s10750-006-0458-8, meer

Beschikbaar in  Auteurs 
Documenttype: Congresbijdrage

Trefwoorden
    Aquatic weed control
    Control > Pest control
    Environmental impact
    Epibenthos
    Salting
    Water bodies > Inland waters > Lakes
    Caulerpa taxifolia (M.Vahl) C.Agardh, 1817 [WoRMS]
    PSE, Australia, New South Wales [Marine Regions]
    Marien
Author keywords
    epifauna; Caulerpa taxifolia; environmental impact; salting; Zosteracapricorni

Auteurs  Top 
  • O'Neill, K.M.
  • Schreider, M.J.
  • Glasby, T.M.
  • Redden, A.R.

Abstract
    Since the discovery of the green alga Caulerpa taxifolia in Lake Macquarie (New South Wales, Australia) in 2001, the New South Wales Department of Primary Industries (Fisheries) has attempted various control methods, including covering the alga with granulated sea salt to induce osmotic shock and cell lysis. In Lake Macquarie, C. taxifolia often occurs in patches within beds of the native seagrass Zostera capricorni. Although the effects of the salt treatment on blades of Z. capricorni and infauna have been shown to be minimal, there have been no tests of any effects on other native biota, including seagrass epifauna. In this study, we tested the general hypothesis that the abundance and diversity of epifauna would be reduced by salting. We used a 'Beyond BACI' experimental design whereby epifaunal invertebrates were sampled 3 months, 6 weeks and 6 days before and then again after salting. Epifaunal abundances at the putatively impacted (salted) location were compared to those at 4 control locations (where no salt was applied). Abundances of most organisms varied significantly among times and locations with no evidence of the consistent effect of salting on diversity or abundance of epifauna. The study represents an example of the use of large-scale managerial action as a scientific experiment.

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