Eutrophication assessment and environmental management perspectives of Tobari: an arid subtropical coastal lagoon of the Gulf of California

被引:5
作者
Ruiz-Ruiz, Thelma Michelle [1 ]
Morquecho, Lourdes [2 ]
Cruz-Garcia, Luz Maria [3 ]
Torres, Jony R. [4 ]
Flores-Miranda, Ma del Carmen [5 ]
Arreola-Lizarraga, Jose Alfredo [1 ]
机构
[1] Ctr Invest Biol Noroeste CIB, Km 2-35 Camino Tular, Guaymas 85454, Sonora, Mexico
[2] Ctr Invest Biol Noroeste CIB, Av IPN 195, La Paz 23096, BCS, Mexico
[3] Univ Autonoma Baja California Sur UABCS, Carretera Km 5-5, La Paz 23080, BCS, Mexico
[4] Inst Tecnol Valle Yaqui ITVY, Av Tecnol,Block 611, Bacum 85276, Sonora, Mexico
[5] Univ Guadalajara UdG, Gomez Farias 82, San Patricio Melaque 48980, Jalisco, Mexico
关键词
Coastal lagoon; Eutrophication; Gulf of California; Yaqui Valley; Environmental management; PROROCENTRUM-MINIMUM PAVILLARD; EUCAMPIA-ZODIACUS EHRENBERG; HARMFUL ALGAL BLOOMS; MACROALGAL BLOOMS; NUTRIENT INPUTS; WATER-QUALITY; PHYTOPLANKTON; NITROGEN; DINOFLAGELLATE; AQUACULTURE;
D O I
10.1007/s10661-023-11638-3
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Coastal lagoons are vulnerable to eutrophication processes. In this study, we evaluate the eutrophication process in the restricted, arid subtropical Tobari coastal lagoon, located in the eastern coast of the Gulf of California, where the main source of nutrient inputs and other pollutants is agricultural wastewater from the Yaqui Valley. The Assessment of Estuarine Trophic Status (ASSETS) model and the Trophic State Index (TRIX) were used to evaluate eutrophication. Overall, ASSETS showed that the Tobari lagoon has a moderate eutrophication process, with seasonal symptoms of hypoxia, increased phytoplankton biomass, dominance of macroalgae (indicative of nutrient enrichment), and blooms development of potentially harmful algae species. The TRIX showed that the lagoon is mesotrophic most of the year. Challenges of environmental management detected correspond to reducing the input of nutrients and others contaminants from anthropic sources: agriculture, shrimp farming, livestock, and urban zones.
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页数:23
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