Document Detail

Propagule pressure determines recruitment from a commercial shipping pier.
MedLine Citation:
PMID:  22248243     Owner:  NLM     Status:  In-Data-Review    
Artificial structures associated with shipping and boating activities provide habitats for a diverse suite of non-indigenous marine species. Little is known about the proportion of invader success in nearby waters that is attributable to these structures. Areas close to piles, wharves and piers are likely to be exposed to increasing levels of propagule pressure, enhancing the recruitment of non-indigenous species. Recruitment of non-indigenous and native marine biofouling taxa were evaluated at different distances from a large commercial shipping pier. Since artificial structures also represent a desirable habitat for fish, how predation on marine invertebrates influences the establishment of non-indigenous and native species was also evaluated. The colonisation of several non-indigenous marine species declined rapidly with distance from the structure. Little evidence was found to suggest that predators have much influence on the colonisation success of marine sessile invertebrate species, non-indigenous or otherwise. It is suggested that propagule pressure, not predation, more strongly predicts establishment success in these biofouling assemblages.
Luke H Hedge; Emma L Johnston
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biofouling     Volume:  28     ISSN:  1029-2454     ISO Abbreviation:  Biofouling     Publication Date:  2012  
Date Detail:
Created Date:  2012-01-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9200331     Medline TA:  Biofouling     Country:  England    
Other Details:
Languages:  eng     Pagination:  73-85     Citation Subset:  IM    
a Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, The University of New South Wales , Sydney , NSW , Australia.
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