Effects of barium and cadmium on the population development of the marine nematode Rhabditis (Pellioditis) marina

Lira, V. L. de; Santos, G. dos; Derycke, Sofie; Larrazabal, Mel; Fonsêca-Genevois, VG; Moens, Tom

doi:10.1016/j.marenvres.2011.07.003

Cited by 30 publications

(9 citation statements)

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“…Studies reported that high levels of strontium (Sr) and barium (Ba) concentrations could be toxic for marine embryos (abnormal shell calcification and embryo morphology) [21], benthic biota [22], and photosynthetic microorganisms [23]. For instance, Spangenbery and Cherr [21] showed that adverse effects on mussel embryos occurred when Ba concentration was between 200 and 900 µg/L.…”

Section: Introductionmentioning

confidence: 99%

“…Both of these fluids contain Ba as a major component [25,26]. Lira et al [22] concluded that oil and gas drilling activities may potentially have important implications for meiobenthos through the toxicity of Ba. Southern Louisiana is a national center of the USA oil and petrochemical industry, and many processing plants are located along the estuaries.…”

Section: Introductionmentioning

confidence: 99%

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Spatiotemporal Distributions of Sr and Ba along an Estuarine River with a Large Salinity Gradient to the Gulf of Mexico

2016

Water

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Strontium and barium to calcium ratios are often used as proxies for tracking animal movement across salinity gradients. Many estuarine rivers face saltwater intrusion due to sea level rise, potentially causing changes in mobility and distribution of these metals upstream. From May 2013 to August 2015, monthly water samples were collected and in-situ measurements were performed at six sites along an estuary strongly affected by saltwater intrusion, the Calcasieu River, with salinity ranging from 0.02 to 29.50 Parts Per Thousand (ppt). Results showed that the total Sr concentration and the Sr/Ca ratio both increased significantly with increasing salinity. The average Sr concentration at the site closest to the Gulf of Mexico (Site 6) was 46.21 µmol/L, about 130 times higher than that of the site furthest upstream (Site 1, 0.35). The average Sr/Ca ratio at Site 6 (8.41 mmol/mol) was about three times the average Sr/Ca ratio at Site 1 (2.89). However, the spatial variation in total Ba concentration was marginal, varying from 0.36 to 0.47 µmol/L. The average Ba/Ca ratio at Site 1 (4.82 mmol/mol) was about 54 times the ratio at Site 6 (0.09), showing a negative relation between the Ba/Ca ratio and salinity. All elemental concentrations and ratios had considerable seasonal variations, with significant differences among sampling months for the Sr and Ba concentrations and the Ba/Ca ratio (p < 0.01). The results suggest that for low-gradient estuarine rivers such as the Calcasieu River, water chemistry upstream would experience substantial Sr and Ca enrichment, potentially affecting aquatic environments and biological communities.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Spatiotemporal Distributions of Sr and Ba along an Estuarine River with a Large Salinity Gradient to the Gulf of Mexico

2016

Water

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“…Lamb et al (2013) manifiestan mediante un estudio en la lombriz Eisenia foetida y la lechuga Lactuca sativa los efectos negativos de suelos contaminados con sulfato de bario. Lira et al (2011) muestran también efectos negativos en un nemátodo marino a concentraciones de cercanos a 3 mg/L de bario en experimentos realizados en microcosmos. Así mismo, existen reportes de asociación del elemento radio durante la liberación de bario soluble a partir de sulfato de bario en el empleo de lodos de perforación asociados a la actividad hidrocarburífera (Veguería et al, 2002;Phillips et al, 2010).…”

Section: Introductionunclassified

Evaluación del riesgo ecológico de la barita (BASO4) empleando pruebas ecotoxicológicas con doce organismos

Paredes

Miglio

2018

Ecol. apl.

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Resumen Se desconoce el efecto de la barita en los ecosistemas acuáticos donde se realizan actividades hidrocarburíferas y que vienen incrementándose a nivel nacional. Por tal motivo, se evaluó el riesgo ecológico de la barita empleando la respuesta ecotoxicológica de doce organismos a fin de conocer los posibles efectos que este compuesto pudiera estar ocasionando a los organismos relacionados a los ecosistemas marinos y epicontinentales donde se desarrollan actividades hidrocarburíferas. Las pruebas ecotoxicológicas incluyeron a las microalgas Isochrysis galbana, Chlorella sp., las plantas terrestres Medicago sativa y Zea mays, los crustáceos Daphnia magna, Emerita analoga y Apohyale sp., al equinodermo Tetrapygus niger, al insecto acuático Chironomus calligraphus, y a los peces Odontesthes regia regia, Poecilia reticulata y Paracheirodon innesi. Las mediciones de los parámetros y protocolos para las pruebas como la determinación del riesgo ecológico siguieron las pautas y recomendaciones de la USEPA y otros autores. De los principales resultados ecotoxicológicos con barita y sus formas solubles, se obtuvo un efecto negativo de la barita sobre el crecimiento celular de la microalga epicontinental Chlorella sp. (96 h), que registró una concentración de inhibición media (CI50) de 0.1 g/l y una concentración efectiva no observable (CENO) de 0.02 g/l. Asimismo, se obtuvo un efecto negativo del bario sobre el crecimiento foliar de la planta terrestre monocotiledónea Z. mays (10 d) que registró una concentración efectiva media (CE50) de 0.0011 g/l y una CENO de 0.0002 g/l. Finalmente, se concluye que existe alto riesgo ecológico para la barita (CR = 1.224) y para sus formas solubles (CR = 37 500) con el método determinista; mientras que no existe riesgo ecológico para la barita (CR = 0.4), mientras que existe riesgo ecológico para sus formas solubles (CR = 122.95) con el método probabilístico, empleando la respuesta ecotoxicológica de doce organismos.

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“…The fate of trace metals in estuaries has been a great concern for aquatic life systems. Studies reported that high levels of strontium (Sr) and barium (Ba) concentrations could be toxic for marine embryos (abnormal shell calcification and embryo morphology) (Spangenberg and Cherr, 1996), benthic biota (Lira et al, 2011), and photosynthetic microorganisms (Polonini et al, 2014). In addition to their natural occurrence, the level of trace metals in waterways could be elevated from petrochemical industry (Fiedler et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Both of these fluids contain Ba as a major component (Melton et al, 2000;OGP, 2003). Lira et al (2011) concluded that oil and gas drilling activities may potentially have important implications for meiobenthos through the toxicity of Ba. South Louisiana is a national center of the US oil and petrochemical industry, and many processing plants are located along the estuaries.…”

Section: Introductionmentioning

confidence: 99%

Concentrations and ratios of Sr, Ba and Ca along an estuarine river to the Gulf of Mexico – implication for sea level rise effects on trace metal distribution

2015

Preprint

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Abstract. Strontium and barium to calcium ratios are often used as proxies for tracking animal movement across salinity gradients. As sea level rise continues, many estuarine rivers in the world face saltwater intrusion, which may cause changes in mobility and distribution of these metals upstream. Despite intensive research on metal adsorption and desorption in marine systems, knowledge of the spatiotemporal distribution of these elements along estuarine rivers is still limited. In this study, we conducted an intensive monitoring of Sr and Ba dynamics along an 88 km long estuary, the Calcasieu River in South Louisiana, USA, which has been strongly affected by saltwater intrusion. Over the period from May 2013 to August 2015, we collected monthly water samples and performed in-situ water quality measurements at six sites from the upstream to the river mouth, with a salinity range from 0.02 to 29.50 ppt. Water samples were analyzed for Sr, Ba, and Ca concentrations. In-situ measurements were made on salinity, pH, water temperature, dissolved oxygen concentration, and specific conductance. We found that the Sr and Ca concentrations and the Sr / Ca ratio all increased significantly with increasing salinity. The average Sr concentration at the site closest to the Gulf of Mexico (site 6) was 46.21 μmol L−1, which was about 130 times higher than that of the site furthest upstream (site 1, 0.35 μmol L−1). The average Ca concentration at site 6 was 8.19 mmol L−1, which was about 60 times higher than that of site 1 (0.13 mmol L−1). The average Sr / Ca ratio at site 6 (8.41 mmol mol−1) was about 3 times the average Sr / Ca ratio at site 1 (2.89 mmol mol−1). However, the spatial variation in Ba concentration was marginal, varying from 0.36 μmol L−1 at site 6 to 0.47 at site 5. The average Ba / Ca ratio at site 1 (4.82 mmol mol−1) was about 54 times the average Ba / Ca ratio at site 6 (0.09 mmol mol−1), showing a clear negative relation between the Ba / Ca ratio and increasing salinity. All the elemental concentrations and ratios had considerable seasonal variations, with significant differences among sampling months for the Sr, Ba concentrations and the Ba / Ca ratio (p < 0.01). The results from this study suggest that concentrations of Sr and Ca in the world's estuaries will very likely increase in the future as sea level rise continues. For low-gradient estuarine rivers such as the Calcasieu River in South Louisiana, USA, water chemistry upstream would experience substantial Sr and Ca enrichment, which could affect aquatic environments and biological communities.

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Effects of barium and cadmium on the population development of the marine nematode Rhabditis (Pellioditis) marina

Cited by 30 publications

References 53 publications

Spatiotemporal Distributions of Sr and Ba along an Estuarine River with a Large Salinity Gradient to the Gulf of Mexico

Spatiotemporal Distributions of Sr and Ba along an Estuarine River with a Large Salinity Gradient to the Gulf of Mexico

Evaluación del riesgo ecológico de la barita (BASO4) empleando pruebas ecotoxicológicas con doce organismos

Concentrations and ratios of Sr, Ba and Ca along an estuarine river to the Gulf of Mexico – implication for sea level rise effects on trace metal distribution

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