Marine boating habits and the potential for spread of invasive species in the Gulf of St. Lawrence

By E. Darbyson, A. Locke, J. Hanson, J. Willison, M. Carman. 2009

93 citations recorded by the source corpus.

The potential for boating to disperse the clubbed tunicate Styela clava Herdman, 1881 and green crab Carcinus maenas (Linnaeus, 1758) in the southern Gulf of St. Lawrence was investigated using interviews with recreational and commercial boaters in eastern Prince Edward Island (PEI). Boaters were asked how long their boat had been at the present location; the primary use of the boat; if anchors, sounding equipment or fishing gear were used; whether any organisms were attached to these items when retrieved; and the fate of those organisms. Bilge water and hull scrapings from the vessels contained 31 and 47 taxa, respectively. Recreational boats, nearly half of which were docked outside their home estuary, were a more likely vector of dispersal than commercial fishing boats that tended to return to the same port each night. Northeastern Nova Scotia and the southern coast of PEI were most at risk for the spread of clubbed tunicate, while green crab could be transported to PEI and eastern New Brunswick. The Magdalen Islands, Quebec, were also predicted as a site to which green crabs could spread, and the first green crabs were detected there two years after our study.

Subfields: Ecology, Global and Planetary Change, Oceanography

View Paper: https://www.semanticscholar.org/paper/29126b2728d0f98c6a6192adb8377199330d4994

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Citations in the corpus

Recreational boating: a large unregulated vector transporting marine invasive species (2011, background): “This pattern occurs despite large differences in sampling methods (Ashton et al., 2006; Mineur et al., 2008) and sometimes low sample sizes (Ashton et al., 2006; Mineur et al., 2008; Darbyson et al., 2009b) but see (Floerl & Inglis, 2003, 2005 for exceptions).”
Recreational boats as potential vectors of marine organisms at an invasion hotspot (2010, background): “…transfers in a few regions of the world including New Zealand, northeastern Australia, the east coast of North America, and European coasts (Floerl & Inglis 2005, Floerl et al. 2005a,b, Ashton et al. 2006, Minchin et al. 2006, Mineur et al. 2008, Darbyson et al. 2009, R. Osman pers. comm.).”
Ascidians as models for studying invasion success (2015, background): “For example in the southern Gulf of Saint Lawrence, recreational boating appears to be a more important vector for spread of ascidians than commercial fishing boats (Darbyson et al. 2009a).”
Morphological evidence that the molecularly determined Ciona intestinalis type A and type B are different species: Ciona robusta and Ciona intestinalis (2015, unknown): “…distribution of C. in-testinalis might be explained by its adaptability to environmental variation as well as by the effect of natural spread of the larvae and of human-related transportation of adults (e.g. on vessel keels) (Darbyson et al. 2009; Davidson et al. 2010; Kanary et al. 2011).”