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Title

Fluvial contributions of nutrients and dissolved organic matter to the Ria of Ares-Betanzos

AuthorsPrego, R. ; Álvarez-Vázquez, M. A. ; Uña-Álvarez, E.; Doval, M. Dolores
KeywordsLoads
Nutrients
DOC
DON
Eume
Mandeo
Mendo
River
NW Spain
Issue Date2014
CitationInterdisciplinary Water Congress CINA (2014)
AbstractThis work aims in the study of biogeochemical fluvial fluxes to Ria systems, previously poorly investigated. Nutrients and dissolved organic matter were analyzed in samples from three rivers (Eume, Mandeo and Mendo) flowing to the Ria of Ares-Betanzos (Galicia), covering a whole hydrological year. Ria receives an estimated load of 457, 5.0 and 2140 t yr-1 of inorganic N, P and Si, and 1130 and 71 t yr-1 of organic C and N, respectively. The Mandeo River is the main input path of nutrients to the system, while Mendo River is the biggest contributor of organic matter. Discharge of nutrients from the Eume River is controlled by damming. Relative fluvial contributions, normalized by catchment area, indicate a low anthropogenic influence in the area
Description5 páginas.-- Interdisciplinary Water Congress CINA 2014, Vigo, 2-6 June 2014
URIhttp://hdl.handle.net/10261/110019
Appears in Collections:(IIM) Comunicaciones congresos
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