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Ontiveros-Cuadras JF, Ruiz-Fernández AC, Pérez-Bernal LH, Santiago-Pérez S, González Y González S, Ávila E, Cardoso-Mohedano JG, Sanchez-Cabeza JA. Accumulation and fluxes of potentially toxic elements in a large coastal lagoon (southern Gulf of Mexico) from 210Pb sediment chronologies. MARINE POLLUTION BULLETIN 2022; 181:113839. [PMID: 35843162 DOI: 10.1016/j.marpolbul.2022.113839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 06/03/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Three 210Pb-dated sediment cores were used to evaluate the contamination degree and flux ratios of potentially toxic elements (PTEs; As, Cd, Cr, Cu, Ni, Pb, V, and Zn) in seagrass meadows from the northern margin of Términos Lagoon (TL), southern Gulf of Mexico. The sediments displayed minor Cd, Ni, V, and Zn enrichments but moderate to strong enrichment by As. Results from a chemometric analysis revealed that: 1) salinization and grain size, along with 2) the terrigenous inputs are the major factors influencing the PTEs accumulation. The historical trends of PTEs flux ratios nearly follow the large-scale land-use changes around TL, linked to the growth of the Mexican oil industry in the area since the 1970s. Our findings showed the critical role of seagrass meadows as PTEs sinks. This information is useful for decision-makers to develop restoration projects for a vulnerable site within the largest coastal lagoon ecosystem in Mexico.
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Affiliation(s)
- Jorge Feliciano Ontiveros-Cuadras
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Procesos Oceánicos y Costeros, Ciudad Universitaria, 04510 México City, Mexico.
| | - Ana Carolina Ruiz-Fernández
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Calz. Joel Montes Camarena s/n, 82040 Mazatlán, Mexico.
| | - Libia Hascibe Pérez-Bernal
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Calz. Joel Montes Camarena s/n, 82040 Mazatlán, Mexico.
| | - Susana Santiago-Pérez
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Procesos Oceánicos y Costeros, Ciudad Universitaria, 04510 México City, Mexico.
| | - Saraí González Y González
- Universidad Nacional Autónoma de México, Facultad de Ciencias, Ciencias de la Tierra, Ciudad Universitaria, 04510 México City, Mexico.
| | - Enrique Ávila
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Estación El Carmen, Carr. Carmen-Puerto Real km. 9.5, 24157 Ciudad del Carmen, Mexico.
| | - José Gilberto Cardoso-Mohedano
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Estación El Carmen, Carr. Carmen-Puerto Real km. 9.5, 24157 Ciudad del Carmen, Mexico.
| | - Joan-Albert Sanchez-Cabeza
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Calz. Joel Montes Camarena s/n, 82040 Mazatlán, Mexico.
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Paz-Ríos CE, Sosa-López A, Torres-Rojas YE, Ramos-Miranda J, Del Río-Rodríguez RE. Fish species richness in the Terminos Lagoon: An occurrence data compilation of four sampling campaigns along a multidecadal series. Biodivers Data J 2021; 9:e65317. [PMID: 34084070 PMCID: PMC8163717 DOI: 10.3897/bdj.9.e65317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/13/2021] [Indexed: 11/12/2022] Open
Abstract
Background Here we present an occurrence dataset that contributes to the knowledge of tropical fish distribution in coastal habitats from the Terminos Lagoon Flora and Fauna Protection Area, one of the largest lagoon ecosystems in the Gulf of Mexico. Fish are high biomass keystone species in the Terminos Lagoon which provide socio-economic and ecosystem services. An initiative in 1980 was carried out to systematically sample the fish community of Terminos Lagoon for an annual cycle; the effectiveness of its results led to replicate in the lagoon the same sampling design for three more campaigns in 1998, 2010 and 2016. Constituted as a Flora and Fauna Protection Area in 1994, the Terminos Lagoon has received many efforts to inventory its biodiversity, particularly on the fish community since the 70s; however, these studies did not have consistent survey protocols, nor the longevity of the present study, which was over four decades. New information A total of 141 fish species, belonging to 90 genera, 49 families, 20 orders and two classes are presented in this study. Information on fish species occurrence data is provided corresponding to the Terminos Lagoon coastal ecosystem, southern Gulf of Mexico, assembled from four time periods at 1980, 1998, 2010 and 2016. The records form part of a consistently homogeneous database compilation, mostly derived from the research programme's sampled material on tropical fishery resources of the “Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico (EPOMEX)”. The current dataset represents the first and most comprehensive online open-access source of information concerning the fish community occurring along and wide of the Terminos Lagoon ecosystem, with 1,249 data records and a total count of 48,717 organisms. Data are available through the Ocean Biodiversity Information System (OBIS).
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Affiliation(s)
- Carlos E Paz-Ríos
- Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC), Campus VI, 24029 San Francisco de Campeche, Campeche, Mexico Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC) Campus VI, 24029 San Francisco de Campeche, Campeche Mexico
| | - Atahualpa Sosa-López
- Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC), Campus VI, 24029 San Francisco de Campeche, Campeche, Mexico Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC) Campus VI, 24029 San Francisco de Campeche, Campeche Mexico
| | - Yassir E Torres-Rojas
- Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC), Campus VI, 24029 San Francisco de Campeche, Campeche, Mexico Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC) Campus VI, 24029 San Francisco de Campeche, Campeche Mexico
| | - Julia Ramos-Miranda
- Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC), Campus VI, 24029 San Francisco de Campeche, Campeche, Mexico Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC) Campus VI, 24029 San Francisco de Campeche, Campeche Mexico
| | - Rodolfo E Del Río-Rodríguez
- Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC), Campus VI, 24029 San Francisco de Campeche, Campeche, Mexico Instituto de Ecologia, Pesquerias y Oceanografia del Golfo de Mexico, Universidad Autonoma de Campeche (EPOMEX-UAC) Campus VI, 24029 San Francisco de Campeche, Campeche Mexico
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