Effect of boat moorings on seagrass beds near Perth, Western Australia

Effect of boat moorings on seagrass beds near Perth, Western Australia

Boat moorings have been found to produce circular scours in seagrass meadows, ranging from 3 to 300 m 2. “Cyclone” moorings (which have three anchors and a swivel) are much less damaging to seagrass meadows than “swing” moorings (with a single anchor and chain). The total area of seagrass meadow los...

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Veröffentlicht in:Aquatic botany 1989, Vol.36 (1), p.69-77
Hauptverfasser: Walker, D.I., Lukatelich, R.J., Bastyan, G., McComb, A.J.
Format: Artikel
Sprache:eng
Schlagworte:
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
Demecology
Fundamental and applied biological sciences. Psychology
Marine
Plants and fungi
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Zusammenfassung:Boat moorings have been found to produce circular scours in seagrass meadows, ranging from 3 to 300 m 2. “Cyclone” moorings (which have three anchors and a swivel) are much less damaging to seagrass meadows than “swing” moorings (with a single anchor and chain). The total area of seagrass meadow lost due to moorings totals some 5.4 ha in the Rottnest Island, Warnbro Sound and Cockburn Sound regions of Western Australia, with most loss (3.14 ha) in the Rottnest region. While the relative area of seagrass meadow lost is small (
ISSN:0304-3770
1879-1522
DOI:10.1016/0304-3770(89)90092-2