Morphometric and water quality features of Lake Cajititlán, Mexico

Anda, José de; Díaz-Torres, José de Jesús; Gradilla‐Hernández, Misael Sebastian; Torre-Castro, Lissie Marcela de la

doi:10.1007/s10661-018-7163-8

Cited by 17 publications

(24 citation statements)

References 9 publications

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“…This is consistent with the results of the current study, as the concentrations of NH 4 + and NO 3 − were higher in the first sampling (July) (Figure 3A) and decreased through the rainy season (Gradilla-Hernández et al, 2020b). In this study and as reported by de Anda et al (2019a), a high content of BGA-PC and Chlorophyll-a was detected (Figure 3).…”

Section: Climatological and Water Quality Characteristics Of Lake Cajititlánsupporting

confidence: 92%

“…However, if the results obtained from Secchi transparency and Chlorophylla of this study and the TP history database are compared with the Lamparelli's index or the Carlson's Trophic State Index, Lake Cajititlán is classified as hypereutrophic. This condition was previously reported by de Anda et al (2019a) for Lake Cajititlán.…”

Section: Climatological Characterization and Water Quality Characteristics Of The Lake Cajititlánsupporting

confidence: 87%

“…However, most of the agriculture is rainfed, which means that fertilizers are used during the rainy season, often in excessive amounts. These agricultural practices are one of the principal sources of nutrient contamination leading to cultural eutrophication in the Lake (de Anda et al, 2019a). The poor water quality in the Lake is also due to partially treated sewage that is discharged into the lake from three municipal WWTPs; these discharges frequently do not meet the water quality standards required by federal regulations (de Anda et al, 2019b).…”

mentioning

confidence: 99%

“…The poor water quality in the Lake is also due to partially treated sewage that is discharged into the lake from three municipal WWTPs; these discharges frequently do not meet the water quality standards required by federal regulations (de Anda et al, 2019b). As a result of this nutrient pollution, the Lake has been classified as hypereutrophic (de Anda et al, 2019a). This process of cultural eutrophication is exacerbated by the endorheic nature of the Lake (IIEG, 2018;de Anda et al, 2019b).…”

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confidence: 99%

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Rapid Changes in the Phytoplankton Community of a Subtropical, Shallow, Hypereutrophic Lake During the Rainy Season

Díaz-Torres

Anda²,

Lugo-Melchor³

et al. 2021

Front. Microbiol.

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Lake Cajititlán is a small, shallow, subtropical lake located in an endorheic basin in western Mexico. It is characterized by a strong seasonality of climate with pronounced wet and dry seasons and has been classified as a hypereutrophic lake. This eutrophication was driven by improperly treated sewage discharges from four municipal wastewater treatment plants (WWTPs) and by excessive agricultural activities, including the overuse of fertilizers that reach the lake through surface runoff during the rainy season. This nutrient rich runoff has caused algal blooms, which have led to anoxic or hypoxic conditions, resulting in large-scale fish deaths that have occurred during or immediately after the rainy season. This study investigated the changes in the phytoplankton community in Lake Cajititlán during the rainy season and the association between these changes and the physicochemical water quality and environmental parameters measured in the lake’s basin. Planktothrix and Cylindrospermopsis were the dominant genera of the cyanobacterial community, while the Chlorophyceae, Chrysophyceae, and Trebouxiophyceae classes dominated the microalgae community. However, the results showed a significant temporal shift in the phytoplankton communities in Lake Cajititlán induced by the rainy season. The findings of this study suggest that significant climatic variations cause high seasonal surface runoff and rapid changes in the water quality (Chlorophyll-a, DO, NH4+, and NO3–) and in variations in the composition of the phytoplankton community. Finally, an alternation between phosphorus and nitrogen limitation was observed in Lake Cajititlán during the rainy season, clearly correlating to the presence of Planktothrix when the lake was limited by phosphorus and to the presence of Cylindrospermopsis when the lake was limited by nitrogen. The evidence presented in this study supports the idea that the death of fish in Lake Cajititlán could be mainly caused by anoxia, caused by rapid changes in water quality during the rainy season. Based on our review of the literature, this is the first study on the phytoplankton community in a subtropical lake during the rainy season using high throughput 16S rRNA and 18S rRNA amplicon sequencing.

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Section: Climatological and Water Quality Characteristics Of Lake Cajititlánsupporting

confidence: 92%

Section: Climatological Characterization and Water Quality Characteristics Of The Lake Cajititlánsupporting

confidence: 87%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Rapid Changes in the Phytoplankton Community of a Subtropical, Shallow, Hypereutrophic Lake During the Rainy Season

Díaz-Torres

Anda²,

Lugo-Melchor³

et al. 2021

Front. Microbiol.

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“…Additionally, constructed ponds have greater eccentricity than natural water bodies and therefore responses to water surface use and transformation (e.g., biogeochemical cycling) may not follow expectations of those observed in natural lakes [80]. Additionally, increasing studies of morphometric properties of natural and constructed water bodies show that changes in shape can result from both anthropogenic and natural drivers of change, including increased withdrawals for human use (e.g., irrigation), climate change, drought, or combinations thereof [81][82][83][84][85]. Any of these factors may impact FPV performance directly by compromising the placement of and connections between FPV panels and/or directly altering generation performance.…”

Section: Technohydrological and Spatial Attributes Of Fpvsmentioning

confidence: 99%

The Land Sparing, Water Surface Use Efficiency, and Water Surface Transformation of Floating Photovoltaic Solar Energy Installations

et al. 2020

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Floating photovoltaic solar energy installations (FPVs) represent a new type of water surface use, potentially sparing land needed for agriculture and conservation. However, standardized metrics for the land sparing and resource use efficiencies of FPVs are absent. These metrics are critical to understanding the environmental and ecological impacts that FPVs may potentially exhibit. Here, we compared techno-hydrological and spatial attributes of four FPVs spanning different climatic regimes. Next, we defined and quantified the land sparing and water surface use efficiency (WSUE) of each FPV. Lastly, we coined and calculated the water surface transformation (WST) using generation data at the world’s first FPV (Far Niente Winery, California). The four FPVs spare 59,555 m2 of land and have a mean land sparing ratio of 2.7:1 m2 compared to ground-mounted PVs. Mean direct and total capacity-based WSUE is 94.5 ± 20.1 SD Wm−2 and 35.2 ± 27.4 SD Wm−2, respectively. Direct and total generation-based WST at Far Niente is 9.3 and 13.4 m2 MWh−1 yr−1, respectively; 2.3 times less area than ground-mounted utility-scale PVs. Our results reveal diverse techno-hydrological and spatial attributes of FPVs, the capacity of FPVs to spare land, and the utility of WSUE and WST metrics.

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Assessment of heavy metals in the surface sediments and sediment-water interface of Lake Cajititlán, Mexico

Anda

Gradilla‐Hernández

Díaz-Torres

et al. 2019

Environ Monit Assess

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Morphometric and water quality features of Lake Cajititlán, Mexico

Cited by 17 publications

References 9 publications

Rapid Changes in the Phytoplankton Community of a Subtropical, Shallow, Hypereutrophic Lake During the Rainy Season

Rapid Changes in the Phytoplankton Community of a Subtropical, Shallow, Hypereutrophic Lake During the Rainy Season

The Land Sparing, Water Surface Use Efficiency, and Water Surface Transformation of Floating Photovoltaic Solar Energy Installations

Assessment of heavy metals in the surface sediments and sediment-water interface of Lake Cajititlán, Mexico

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