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Dive into the research topics where Ana J. Marmolejo-Rodríguez is active.

Publication


Featured researches published by Ana J. Marmolejo-Rodríguez.


Journal of Toxicology and Environmental Health | 2014

Lead in shrimp Litopenaeus vannamei Boone in sublethal concentrations.

Israel Osuna Flores; Alejandro O. Meyer-Willerer; Aramis Olivos-Ortiz; Francisco J. Barragán Vázquez; Ana J. Marmolejo-Rodríguez

Determination of the accumulation and elimination of sublethal lead (Pb) in different shrimp tissues may be useful as an indicator of uptake and elimination characteristics of this metal. Aquaculture ponds are particularly influenced by Pb contamination, where aquatic animals may acquire the metal through adsorption to exoskeletons or gills from the surrounding water. Cationic Pb is accumulated preferentially in the nonedible fraction of shrimp, followed by exoskeleton, and to a minor extent in muscle. Lead contents in different tissues were lower than metal levels in exoskeleton. However, the presence of Pb in sediment due to purging may exert adverse consequences on shrimp as bottom feeders.


Marine Pollution Bulletin | 2018

Mercury concentrations in three ray species from the Pacific coast of Baja California Sur, Mexico: Variations by tissue type, sex and length

Daniela A. Murillo-Cisneros; Todd M. O'Hara; J. Margaret Castellini; Alberto Sánchez-González; Fernando R. Elorriaga-Verplancken; Ana J. Marmolejo-Rodríguez; Emigdio Marín-Enríquez; Felipe Galván-Magaña

Total mercury concentrations ([THg]) were determined in muscle and liver of the bat ray (Myliobatis californica), shovelnose guitarfish (Pseudobatos productus) and banded guitarfish (Zapteryx exasperata). Generalized linear models (GLM) were used to determine the effects of size and sex in [THg] and showed that both are determinants of [THg] in these species. The [THg] in both tissues significantly increased with length especially in sexually mature organisms with a steeper slope for mature male than mature female. This may relate to elasmobranchs sexual dimorphism driven variation in growth rates. Median muscle [THg] was significantly greater than liver in each ray species but there were some individuals with higher liver [THg] than muscle. There were individuals with muscle [THg] higher than the advisory thresholds of 0.2 and 0.5mgkg-1ww (2.4 and 11% of the bat ray; 2.1 and 10% of the shovelnose guitarfish; 12.6 and 45% of the banded guitarfish, respectively).


Journal of Environmental Monitoring | 2011

Migration of As, Hg, Pb, and Zn in arroyo sediments from a semiarid coastal system influenced by the abandoned gold mining district at El Triunfo, Baja California Sur, Mexico

Ana J. Marmolejo-Rodríguez; Martha A. Sánchez-Martínez; Juan A. Romero-Guadarrama; Alberto Sánchez-González; Víctor R. Magallanes-Ordóñez


Environmental Geochemistry and Health | 2014

Urinary arsenic levels influenced by abandoned mine tailings in the Southernmost Baja California Peninsula, Mexico

Carlos G. Colín-Torres; Janette Magalli Murillo Jiménez; Luz M. Del Razo; Luz C. Sánchez-Peña; Oscar F. Becerra-Rueda; Ana J. Marmolejo-Rodríguez


Estuarine Coastal and Shelf Science | 2013

Vertical accumulation of potential toxic elements in a semiarid system that is influenced by an abandoned gold mine

Martha A. Sánchez-Martínez; Ana J. Marmolejo-Rodríguez; Víctor R. Magallanes-Ordóñez; Alberto Sánchez-González


Estuarine Coastal and Shelf Science | 2015

Characterization of lithogenic and biogenic zones and natural enrichment of nickel in sediments of the Terminos Lagoon, Campeche, Mexico

Víctor R. Magallanes-Ordóñez; Ana J. Marmolejo-Rodríguez; Griselda Margarita Rodríguez-Figueroa; Alberto Sánchez-González; Sergio Aguíñiga-García; Francisco Arreguín-Sánchez; Manuel J. Zetina-Rejón; Arturo Tripp-Valdez; Javier A. Romo-Ríos


Environmental Monitoring and Assessment | 2015

Toxicity in semiarid sediments influenced by tailings of an abandoned gold mine

A. S. Sobrino-Figueroa; Oscar F. Becerra-Rueda; Víctor R. Magallanes-Ordóñez; Alberto Sánchez-González; Ana J. Marmolejo-Rodríguez


Revista Mexicana De Biodiversidad | 2014

Diversidad de diatomeas bentónicas marinas en un ambiente ligeramente enriquecido con elementos potencialmente tóxicos

David A. Siqueiros-Beltrones; Uri Argumedo-Hernández; Janette M. Murillo-Jiménez; Ana J. Marmolejo-Rodríguez


Estuarine Coastal and Shelf Science | 2017

Trace element fluxes during the last 100 years in sediment near a nuclear power plant

S. Bojórquez-Sánchez; Ana J. Marmolejo-Rodríguez; A.C. Ruiz-Fernández; Alberto Sánchez-González; Joan-Albert Sanchez-Cabeza; H. Bojórquez-Leyva; L.H. Pérez-Bernal


Regional Studies in Marine Science | 2017

Trace elements in two wetland plants (Maytenus phyllanthoides and Salicornia subterminalis) and sediment in a semiarid area influenced by gold mining

Martha A. Sánchez-Martínez; Rafael Riosmena-Rodríguez; Ana J. Marmolejo-Rodríguez; Alberto Sánchez-González

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Oscar F. Becerra-Rueda

Instituto Politécnico Nacional

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Javier A. Romo-Ríos

Instituto Politécnico Nacional

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A. S. Sobrino-Figueroa

Universidad Autónoma Metropolitana

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