Dominance patterns in macroalgal and phytoplankton biomass under different nutrient loads in subtropical coastal lagoons of the SE Gulf of California

F. Páez-Osuna, A. Piñón-Gimate, M. J. Ochoa-Izaguirre, A. C. Ruiz-Fernández, G. Ramírez-Reséndiz, R. Alonso-Rodríguez

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Abstract

Nine macroalgal blooms were studied in five coastal lagoons of the SE Gulf of California. The nutrient loads from point and diffuse sources were estimated in the proximity of the macroalgal blooms. Chlorophyll a and macroalgal biomass were measured during the dry, rainy and cold seasons. Shrimp farms were the main point source of nitrogen and phosphorus loads for the lagoons. High biomasses were found during the dry season for phytoplankton at site 6 (791.7±34.6mgm-2) and during the rainy season for macroalgae at site 4 (296.0±82.4gm-2). Depending on the season, the phytoplankton biomass ranged between 40.0 and 791.7mgm-2 and the macroalgal biomass between 1 and 296.0gm-2. The bulk biomass (phytoplankton+macroalgal) displayed the same tendency as the nutrient loads entering the coastal lagoons. Phytoplankton and macroalgal biomass presented a significant correlation with the atomic N:P ratio. © 2013 Elsevier Ltd.
Original languageAmerican English
Pages (from-to)274-281
Number of pages245
JournalMarine Pollution Bulletin
DOIs
StatePublished - 16 Oct 2013
Externally publishedYes

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Phytoplankton
Gulf of California
coastal lagoon
pollution load
Nutrients
Biomass
phytoplankton
nutrient
biomass
point source
dry season
wet season
algal bloom
cold season
Chlorophyll
Farms
macroalgae
Phosphorus
gulf
lagoon

Cite this

Páez-Osuna, F. ; Piñón-Gimate, A. ; Ochoa-Izaguirre, M. J. ; Ruiz-Fernández, A. C. ; Ramírez-Reséndiz, G. ; Alonso-Rodríguez, R. / Dominance patterns in macroalgal and phytoplankton biomass under different nutrient loads in subtropical coastal lagoons of the SE Gulf of California. In: Marine Pollution Bulletin. 2013 ; pp. 274-281.
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abstract = "Nine macroalgal blooms were studied in five coastal lagoons of the SE Gulf of California. The nutrient loads from point and diffuse sources were estimated in the proximity of the macroalgal blooms. Chlorophyll a and macroalgal biomass were measured during the dry, rainy and cold seasons. Shrimp farms were the main point source of nitrogen and phosphorus loads for the lagoons. High biomasses were found during the dry season for phytoplankton at site 6 (791.7±34.6mgm-2) and during the rainy season for macroalgae at site 4 (296.0±82.4gm-2). Depending on the season, the phytoplankton biomass ranged between 40.0 and 791.7mgm-2 and the macroalgal biomass between 1 and 296.0gm-2. The bulk biomass (phytoplankton+macroalgal) displayed the same tendency as the nutrient loads entering the coastal lagoons. Phytoplankton and macroalgal biomass presented a significant correlation with the atomic N:P ratio. {\circledC} 2013 Elsevier Ltd.",
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Dominance patterns in macroalgal and phytoplankton biomass under different nutrient loads in subtropical coastal lagoons of the SE Gulf of California. / Páez-Osuna, F.; Piñón-Gimate, A.; Ochoa-Izaguirre, M. J.; Ruiz-Fernández, A. C.; Ramírez-Reséndiz, G.; Alonso-Rodríguez, R.

In: Marine Pollution Bulletin, 16.10.2013, p. 274-281.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Ruiz-Fernández, A. C.

AU - Ramírez-Reséndiz, G.

AU - Alonso-Rodríguez, R.

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