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The harvesting of macroalgae in New Zealand

  • Conference paper
Thirteenth International Seaweed Symposium

Part of the book series: Developments in Hydrobiology ((DIHY,volume 58))

Abstract

Several species of algae have been commercially harvested in New Zealand, mainly for extraction of agar and alginates. In the past, the harvest was comprised mostly of shore-cast plants. There has been more recent interest, however, in harvesting attached plants of Pterocladia spp., Porphyra spp., Gracilaria sordida, Durvillaea spp., Macrocystis pyrifera, and Ecklonia radiata. The ecological effects of harvesting attached algae depend largely on the sizes of plants, the season of removal, the patch size of clearances, and the proximity and identity of mature plants. These have not been well-studied for seaweeds in New Zealand, but population and life history studies indicate that harvesting methods affect the continuity of algal resources, at least on a local scale, and are crucial factors in their management.

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Author information

Author notes

  1. David R. Schiel

    Present address: Zoology Department, University of Counterbury, Christchurch 1, New Zealand

Authors and Affiliations

  1. Fisheries Research Centre, Ministry of Agriculture & Fisheries, P. O. Box 297, Wellington, New Zealand

    David R. Schiel

  2. Botany Department, National Museum, P.O. Box 467, Wellington, New Zealand

    Wendy A. Nelson

Authors
  1. David R. Schiel
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  2. Wendy A. Nelson
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Editor information

Editors and Affiliations

  1. Department of Botany, University of British Columbia, #3529-6270 University Blvd, Vancouver, BC, Canada, V6T 2B1

    Sandra C. Lindstrom  & Paul W. Gabrielson  & 

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© 1990 Kluwer Academic Publishers

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Schiel, D.R., Nelson, W.A. (1990). The harvesting of macroalgae in New Zealand. In: Lindstrom, S.C., Gabrielson, P.W. (eds) Thirteenth International Seaweed Symposium. Developments in Hydrobiology, vol 58. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2049-1_5

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  • DOI: https://doi.org/10.1007/978-94-009-2049-1_5

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7419-3

  • Online ISBN: 978-94-009-2049-1

  • eBook Packages: Springer Book Archive

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