Starting the invasion pathway: the interaction between source populations and human transport vectors
Floerl, Oliver, and Inglis, Graeme J. (2005) Starting the invasion pathway: the interaction between source populations and human transport vectors. Biological Invasions, 7 (4). pp. 589-606.
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Human transport hubs, such as shipping ports, airports and mail centers are important foci for the spread of non-indigenous species. High relative abundance in a transport hub has been proposed as a correlate of invasion success, since abundant species are thought more likely to colonize vectors and to be transported more frequently. We here evaluate the relative importance of vector characteristics and local source assemblages in determining the pool of species that is transported by hull fouling on recreational boats. We compared the resident fouling communities of three recreational boat harbors in Australia with the assemblages on the hulls of boats that travel between them. We used data on the recent travel and maintenance history of the boats to evaluate correlates of transport probability and the potential for intra-coastal spread of fouling organisms. Invertebrate assemblages on heavily fouled vessels reflected the composition of biotic assemblages within the marina in which they were moored, but by itself, relative abundance in the source port was not a reliable predictor of transport probability. More important was the age of the antifouling paint on the vessels’ hulls, which acted selectively on some groups of organisms. Movements of vessels were characterized by “fidelity” (vessels remaining close to homeport) interspersed with “promiscuity” (vessels traveling to a diverse pool of destinations). In an infested harbor, measures taken to increase the resistance of vectors to colonization by the invader should be effective in slowing the rate of spread to other locations, by decreasing the overall frequency of transport.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||Biological invasions; Hull Surface Treatment; introduced species|
|FoR Codes:||05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050299 Environmental Science and Management not elsewhere classified @ 50%|
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050204 Environmental Impact Assessment @ 25%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050211 Wildlife and Habitat Management @ 25%
|SEO Codes:||96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960407 Control of Pests, Diseases and Exotic Species in Marine Environments @ 100%|
|Deposited On:||23 Nov 2010 14:10|
|Last Modified:||18 May 2013 01:17|
Last 12 Months: 0
|Citation Counts with External Providers:||Web of Science: 49|
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