Journal article
Impacts of introduced seaweeds
Botanica Marina, Vol.50(5-6), pp.397-417
2007
Abstract
We analyzed 69 publications on the impacts of introduced seaweeds. The predominant impacts were changed competitive relationships in the recipient habitat, indicated by high abundances of invaders, resultant space monopolization, and reduced abundances/biomass of native macrophytes. Changes in biodiversity, effects on fish and invertebrate fauna, toxic effects on other biota, and habitat change were also identified. The mechanisms underlying the manifestation of impacts are uncertain and inferences about common patterns were hampered because impact studies were available for only a few introduced seaweeds, covered only a fraction of their introduced distribution and generally were conducted over short time scales. There was no information about evolutionary effects or changes of ecosystem processes. Knowledge of socio-economic impacts of invasive seaweeds is poor. We collated costs associated with control/eradication activities and for national spending on marine biosecurity in Australia, New Zealand and the United States. Prevention of impacts is the driving force for costly surveillance, eradication and control programs. Until we are able to understand, predict and measure impacts of introduced seaweeds, the management of species incursions needs to remain focused on early detection, rapid response and control to reduce the likelihood of negative impact effects.
Details
- Title
- Impacts of introduced seaweeds
- Authors/Creators
- B. Schaffelke (Author/Creator)C.L. Hewitt (Author/Creator)
- Publication Details
- Botanica Marina, Vol.50(5-6), pp.397-417
- Publisher
- de Gruyter
- Identifiers
- 991005543479707891
- Copyright
- © 2007 Walter de Gruyter GmbH
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.509 Marine Algae
- Web Of Science research areas
- Marine & Freshwater Biology
- Plant Sciences
- ESI research areas
- Plant & Animal Science