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Title: A meta-analysis approach to the effects of fish farming on soft bottom polychaeta assemblages in temperate regions
Authors: Martinez-Garcia, Elena
Sanchez-Jerez, Pablo
Aguado-Giménez, Felipe
Ávila, Pablo
Guerrero, Alejandro
Sánchez-Lizaso, Jose Luis
Fernandez-Gonzalez, Victoria
González, Nieves
Gairin, Joan Ignasi
Carballeira, Carlos
García-García, Benjamín
Carreras, Jordi
Macías, Jose Carlos
Carballeira, Alejo
Collado, Cayetano 
UNESCO Clasification: 330811 Control de la contaminación del agua
251092 Acuicultura marina
Keywords: Polychaete assemblages
Fish farm
Organic enrichment
Issue Date: 2013
Publisher: 0025-326X
Journal: Marine Pollution Bulletin 
Abstract: Marine fish farms could cause environmental disturbances on the sediment due to uneaten food and fish faeces that impact the marine benthos. Polychaete assemblages are considered good indicators of environmental perturbations. The present study aimed to establish groups of polychaetes as potential indicators of fish farm pollution. This study was carried out in ten fish farms along the Spanish coast. Changes in polychaete assemblage were analyzed with meta-analysis and multivariate techniques. Abundance, richness and diversity showed significant decreases under fish farm conditions. Distribution patterns of polychaetes responded to combinations of physicochemical variables. The main ones are sulfide concentration, silt and clays percentage, and stable nitrogen isotope ratio. The results showed that some families are tolerant, Capitellidae, Dorvilleidae, Glyceridae, Nereididae, Oweniidae and Spionidae; while others are sensitive to fish farm pollution, Magelonidae, Maldanidae, Nephtyidae, Onuphidae, Paralacydoniidae, Paraonide, Sabellidae and also Cirratulidae in spite of being reported as a tolerant family.
ISSN: 0025-326X
DOI: 10.1016/j.marpolbul.2013.01.032
Source: Marine Pollution Bulletin [ISSN 0025-326X], v. 69, p. 165-171
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