Follow-up trends of parasite community alteration in a marine fish after the Prestige oil-spill: Shifting baselines
2009
Pérez-del-Olmo, A. | Montero, F.E. | Raga, J.A. | Fernández, M. | Kostadinova, A.
This study evaluates the follow-up trends in the composition and structure of the parasite communities in the marine sparid Boops boops after the Prestige oil-spill. A total of 400 fish comprising 11 seasonal samples was analyzed from three impacted localities on the Atlantic coast of Spain. A large number of parasite species was recovered only after the spill thus suggesting a substantial alteration of the marine food webs. Post-spill communities exhibited higher richness and abundance due to the significant changes in the abundance of the common species, the latter indicating accelerated parasite transmission rates. Multivariate analyses at two nested scales detected a directional trend in parasite community succession towards the pre-spill situation, however, with no full support for community recovery. The state of parasite communities in 2005-2006 may provide the new baseline data which can serve as a framework for quantifying the impact of potential future spills in the region. Prestige oil-spill impact on parasite communities in the sparid fish B. boops.
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