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Abstract: We assessed the effects of 40 ocean outfalls on adjacent macrobenthic invertebrates. Data were obtained from a review of gray and peer-review literature. Different parameters describing the outfall characteristics were compiled (length, maximum depth, treatment level, flow and organic matter mass discharged). Exposure to wave action was represented by significant wave height. The magnitude of the effect was categorized in three impact levels and classified considering different ecological indicators. A theoretical predictive model was formulated in which the lower the organic matter and the higher the energy of the system, the lower the benthic impact. The main conclusion was that the general pattern of the succession of benthic communities brought about by ocean outfalls fits the model of Pearson–Rosenberg but with some deviations i) the probability of a significant impact is much lower, ii) not all the successional stages occur and, iii) the magnitude of the changes are usually lower.
Fuente: Marine Pollution Bulletin Vol. 101, Issue 1, 15 December 2015, Pages 174–181
Editorial: Elsevier Ltd
Fecha de publicación: 15/12/2015
Nº de páginas: 8
Tipo de publicación: Artículo de Revista
Url de la publicación: http://dx.doi.org/10.1016/j.marpolbul.2015.11.002
MARIA ARACELI PUENTE TRUEBA
DIAZ, ROBERT J.