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Loss or gain? Invasive aliens and biodiversity in the Mediterranean Sea
Galil, B.S. (2007). Loss or gain? Invasive aliens and biodiversity in the Mediterranean Sea. Mar. Pollut. Bull. 55(7-9): 314-322. https://dx.doi.org/10.1016/j.marpolbul.2006.11.008
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, more
Also appears in:
Occhipinti-Ambrogi, A.; Sheppard, C. (Ed.) (2007). Marine bioinvasions: a collection of reviews. Marine Pollution Bulletin, 55(Spec. Issue 7-9). Elsevier: Amsterdam. 299-401 pp., more
Peer reviewed article  
Keyword
    Marine/Coastal
Author  Top 
Abstract
    More than 500 alien species were listed from the Mediterranean Sea. Though no extinction of a native species is known, sudden decline in abundance, and even local extirpations, concurrent with proliferation of aliens, had been recorded. Examination of the profound ecological impacts of some of the most conspicuous invasive alien species underscores their role, among multiple anthropogenic stressors, in altering the infralittoral communities. Local population losses and niche contraction of native species may not induce immediate extirpation, but they augur reduction of genetic diversity, loss of functions, processes, and habitat structure, increase the risk of decline and extinction, and lead to biotic homogenization. The relevant environmental policy and management framework is discussed.
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