期刊
ANTARCTIC SCIENCE
卷 17, 期 2, 页码 183-191出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0954102005002580
关键词
Antarctica; bio-invasion; hull fouling; introduced; plastic debris; sub-Antarctic islands; transport pathway
The introduction of invasive species may be the most profound modem threat to biological communities in high-latitude regions. In the Southern Ocean, the natural transport mechanism for shallow-water marine organisms provided by kelp rafts is being increasingly augmented by plastic debris and shipping activity. Plastic debris provide additional opportunities for dispersal of invasive organisms, but dispersal routes are passive, dependent on ocean currents, and already established. In contrast, ships create novel pathways, moving across cut-rents and often visiting many locations over short periods of time. Transportation of hull-fouling communities by vessel traffic thus poses the most likely mechanism by which exotic species may be introduced to the Southern Ocean.
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