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Title: Variability of macrofaunal assemblages on the surroundings of a brine disposal
Authors: Riera, R. 
Tuya, Fernando 
Ramos, Eva
Rodríguez, Myriam
Monterroso, Óscar
UNESCO Clasification: 241705 Biología marina
Keywords: Macrofauna
Brine discharge
Desalination, et al
Issue Date: 2012
Publisher: 0011-9164
Journal: Desalination (Amsterdam) 
Abstract: Desalination plants generate large volumes of hypersaline brine, likely affecting recipient communities. We aimed to assess whether proximity to a brine discharge point altered the abundance, assemblage structure and diversity of macrobenthic fauna. Collection of samples took place twice (May 2008 and January 2009) at 0, 15 and 30 m away from a brine discharge point. Total macrofaunal abundance increased with increasing distance from the brine discharge point, though the magnitude of differences was inconsistent between successive years, probably as a result of a change in particle size distribution. Proximity to the brine discharge point also altered patterns in macrofaunal assemblage structure. The macrofaunal species density was higher at 15 and 30 m than at 0 m. In conclusion, proximity to a brine discharge point significantly altered the ecological pattern of macrobenthic fauna, though disentangling the effect of the increase in salinity from particle size distribution remains undetermined.
ISSN: 0011-9164
DOI: 10.1016/j.desal.2012.02.003
Source: Desalination [ISSN 0011-9164], v. 291, p. 94-100
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