Department of Agriculture and Water Resources, February 2011
Marine biological invasions have increased throughout the world’s oceans to the extent that no region is considered ‘pristine’. At least 1781 species have been identified as introduced in marine or estuarine systems somewhere in the world. Many of these species have been introduced to several regions, inferring an ease of transport by humanmediated mechanisms. A substantial number of these species have either demonstrable or inferred impacts.
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