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

被引：24

作者：

Paez-Osuna, F. ^{[1
]}

Pinon-Gimate, A. ^{[2
,3
]}

Ochoa-Izaguirre, M. J. ^{[2
,4
]}

Ruiz-Fernandez, A. C. ^{[1
]}

Ramirez-Resendiz, G. ^{[1
]}

Alonso-Rodriguez, R. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Unidad Acad Mazatlan, Inst Ciencias Mar & Limnol, Mazatlan 82040, Sinaloa, Mexico

[2] Univ Nacl Autonoma Mexico, Unidad Acad Mazatlan, Mazatlan 82040, Sinaloa, Mexico

[3] Inst Politecn Nacl, Ctr Interdisciplinario Ciencias Marinas, La Paz 23096, Bcs, Mexico

[4] Univ Nacl Autanoma Sinaloa, Fac Ciencias Mar, Mazatlan 82000, Sinaloa, Mexico

来源：

MARINE POLLUTION BULLETIN | 2013年 / 77卷 / 1-2期

关键词：

Coastal lagoon; Macroalgal blooms; Nutrient loads; Limiting nutrient; Gulf of California; PLANT-COMMUNITIES; ALGAL BLOOMS; SHRIMP FARM; ENRICHMENT; NITROGEN; WATERS; PHOSPHORUS; EUTROPHICATION; LIMITATION; PARAMETERS;

D O I：

10.1016/j.marpolbul.2013.09.048

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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 +/- 34.6 mg m(-2)) and during the rainy season for macroalgae at site 4 (296.0 +/- 82.4 g m(-2)). Depending on the season, the phytoplankton biomass ranged between 40.0 and 791.7 mg m(-2) and the macroalgal biomass between 1 and 296.0 g m(-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. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：274 / 281

页数：8

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