Every shoreline, estuary, pontoon, sea wall or rock pool plays a role in the marine INNS story. Over recent years, the popularity of watersports has risen rapidly, however, with greater participation comes increased levels of marine INNS being introduced and spread.
INNS are more opportunistic than native species and can colonise onto hard substrates quickly including the hulls of boats and ships. This means that they can be carried from port to harbour to marina, around the world, rapidly and mainly undetected.
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