Original Research

Distribution and status of marine invasive species in and bordering the West Coast National Park

T.B. Robinson, C.L. Griffiths, N. Kruger
Koedoe | Vol 47, No 1 | a73 | DOI: https://doi.org/10.4102/koedoe.v47i1.73 | © 2004 T.B. Robinson, C.L. Griffiths, N. Kruger | This work is licensed under CC Attribution 4.0
Submitted: 18 December 2004 | Published: 18 December 2004

About the author(s)

T.B. Robinson, University of Cape Town, South Africa
C.L. Griffiths, University of Cape Town, South Africa
N. Kruger, University of Cape Town, South Africa

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Abstract

On a global scale, species are constantly being moved from their areas of origin to new locales. Such range extensions can occur naturally, but are frequently aided (intentionally or non-intentionally) by humans (Mack et al. 2000). As a result, the marked world-wide increase in animal, plant, and microbial immigrations, has been found to roughly track the increase in human commerce (Mack et al. 2000). The principal vectors of human-mediated marine invasions are ballast water (Williams et al. 1988), mariculture (Minchin 1996), sediment held in ballast tanks (Carlton 1985), and ship hull fouling (Minchin 1996).

Keywords

West Coast National Park; Marine alien species; Mytilus galloprovincialis; Carcinus maenas; Littorina saxatilis; Sagartia ornata

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