Seaweed Invasions: A Synthesis of Ecological, Economic and by Johnson, Craig R., Craig R. Johnson

By Johnson, Craig R., Craig R. Johnson

In recognising an pressing have to stream past case stories and advance a conceptual synthesis, the scope of this quantity is wide, masking the valuable parts of either the invasion method and human responses to seaweed invasions. This comprises addressing felony frameworks for regulatory keep an eye on, useful skill to trace and reply to invasive seaweeds within the box, in addition to the ecology of invasions. the result's either a worthy multidisciplinary synthesis of labor to this point, and a pointer to destiny demanding situations and priorities.

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Additional info for Seaweed Invasions: A Synthesis of Ecological, Economic and Legal Imperatives

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Relatively few studies have examined the mechanisms that underpin successful seaweed invasion, which is a complex multi-stage process that can be arbitrarily, but usefully broken down into the separate phases of arrival, establishment, spread and persistence (Mollison 1986). Defining these key phases precisely is vital to adequately describe and understand the invasion process and to enable meaningful comparisons among different species. P. : Mechanisms of seaweed invasion of an introduced seaweed species as the development of a population of macroscopic thalli in an area that did not previously support the species.

Expert Centre for Taxonomic Identification (ETI), University of Amsterdam (CD-ROM series). L. (2004). Assessment of the current knowledge on the environmental impacts of seaweed farming in the tropics. Marine science into the new millenium: new perspectives and challenges. Proceedings of the Asia-Pacific Marine Science and Technology Conference, 12–16 May 2002, Kuala Lumpur, Malaysia: 465–476. L. E. Smith. 2006. Environmental impacts of seaweed farming in the tropics. T. Critchley, M. Ohno and D.

Risk assessment procedures have resulted in some proposals for introduction of commercially valuable species to be declined. For example, plans to introduce the giant kelp Macrocystis pyrifera into Europe in the 1950s and 1970s were dropped because of public protests and a recommendation from ICES (Boalch 1981). It is possible that this species could otherwise have colonized the European Atlantic coast from Spain to Norway, with unpredictable consequences. While it is possible to identify macroalgal species that pose higher or lower levels of risk in terms of undesirable environmental or socio-economic impacts, for example by utilizing criteria like those in Table 1 or like those reviewed by Schaffelke et al.

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