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Marine Ecology Progress Series

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MEPS 536:89-105 (2015)  -  DOI: https://doi.org/10.3354/meps11368

Empirical modelling of seston quality based on environmental factors in a mussel culture area (NW Iberian upwelling system)

Eva Aguiar, Isabel Fuentes-Santos, Uxío Labarta*, X. Antón Álvarez-Salgado, Mª José Fernández-Reiriz

CSIC - Instituto Investigaciones Marinas, Eduardo Cabello 6, 36208 Vigo, Spain
*Corresponding author:

ABSTRACT: We analyzed the spatial and temporal variability of seston parameters at 4 locations in the Ría de Ares-Betanzos (NW Spain) over 5 yr. Seston content was higher in the inner part of the ría and during winter, while seston quality was higher in the outer part of the ría with maximum values during summer, and exhibited a marked relationship with water circulation. Inter-annual differences were detected only in the organic content of seston (which was not always well-correlated with chlorophyll a), and only at some locations. Seston quality had the strongest relationship with meteorological factors, and was the only variable that was consistent at the 4 sites within the embayment. This led us to develop an empirical model that explains the spatial-temporal variability of seston quality in terms of wind stress and river discharge.


KEY WORDS: Modelling · Seston quality · Coastal upwelling · River flow · Aquaculture · Spatial variability · Seasonal patterns


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Cite this article as: Aguiar E, Fuentes-Santos I, Labarta U, Álvarez-Salgado XA, Fernández-Reiriz MJ (2015) Empirical modelling of seston quality based on environmental factors in a mussel culture area (NW Iberian upwelling system). Mar Ecol Prog Ser 536:89-105. https://doi.org/10.3354/meps11368

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