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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. 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. https://dx.doi.org/10.1007/978-1-4020-6156-1_12
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. European Marine Biology Symposia, 39. Developments in Hydrobiology, 193. ISBN 978-1-4020-6155-4; e-ISBN 978-1-4020-6156-1. VII, 271 pp. https://dx.doi.org/10.1007/978-1-4020-6156-1
In: European Marine Biology Symposia.
Is gerelateerd aan:
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. https://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
    PSE, Australia, New South Wales
    Salting
    Water bodies > Inland waters > Lakes
    Caulerpa taxifolia (M.Vahl) C.Agardh, 1817 [WoRMS]
    New South Wales [Marine Regions]
    Marien/Kust
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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