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Hawai'i's natural biodiversity on land and sea are under constant peril from the introduced species from around the world. To date approximately two dozen invasive macroalgae (seaweeds) are currently known or are suspected to be colonizing the main islands of Hawai'i. Some of these species periodically become a major part of the drift covering beaches, clogging waterways, fouling nets, and changing nutrient regimes in areas around fisheries and aquaculture systems.

The assessment of invasive macroalgae is an important contribution toward clarifying the threat to native marine organisms. It provides an essential element for developing actions in management of marine species.

Project Team: Chris Puttock, Isabella Abbott, Jack Fisher, Napua Harbottle, and Richard Estrella.


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Hawaii Biological Survey Hawaii Sea Grant