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Sampling optimization for biomonitoring metal contamination with marine macroalgae.
García-Seoane, R; Fernández, J A; Varela, Z; Real, C; Boquete, M T; Aboal, J R.
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  • García-Seoane R; Ecology Unit, Dept. Functional Biology, Universidade de Santiago de Compostela, Fac. Biología, Lope Gómez de Marzoa s/n, Santiago de Compostela, 15782, A Coruña, Spain. Electronic address: rita.garcia.seoane@usc.es.
  • Fernández JA; Ecology Unit, Dept. Functional Biology, Universidade de Santiago de Compostela, Fac. Biología, Lope Gómez de Marzoa s/n, Santiago de Compostela, 15782, A Coruña, Spain.
  • Varela Z; Ecology Unit, Dept. Functional Biology, Universidade de Santiago de Compostela, Fac. Biología, Lope Gómez de Marzoa s/n, Santiago de Compostela, 15782, A Coruña, Spain.
  • Real C; Ecology Unit, Dept. Functional Biology, Universidade de Santiago de Compostela, Escola Politécnica Superior de Enxeñaría, Rúa Benigno Ledo, 2, Campus Universitario, 27002, Lugo, Spain.
  • Boquete MT; Estación Biológica de Doñana, CSIC, Avenida Américo Vespucio 25, Isla de la Cartuja, Sevilla, 41092, Spain; Department of Integrative Biology, University of South Florida, 4202 E Fowler Ave, Tampa, FL, 33620, USA.
  • Aboal JR; Ecology Unit, Dept. Functional Biology, Universidade de Santiago de Compostela, Fac. Biología, Lope Gómez de Marzoa s/n, Santiago de Compostela, 15782, A Coruña, Spain.
Environ Pollut ; 255(Pt 3): 113349, 2019 Dec.
Article en En | MEDLINE | ID: mdl-31610387
The aim of the present study was to optimize the protocol for sampling marine macroalgae to be used to biomonitor heavy metal contamination in marine ecosystems. For this purpose, we collected 50 subsamples of the brown seaweed Fucus vesiculosus at random in each of three sampling sites (SS) and determined the concentrations of Al, As, Cd, Co, Cr, Cu, Fe, Hg, N, Ni, Pb, Zn and δ15N. We used semivariograms to explore the possible existence of spatial structure in the concentrations of the elements. Spatial structure was observed in 88% of the semivariograms studied, with element concentrations varying longitudinally and transversally along the SS. Using randomization techniques, we estimated that in each SS, a minimum of 30 evenly distributed subsamples should be collected within three bands parallel to the coastline (and also at different heights on the rocks if necessary), and analyzed in a single composite sample representative of the intra-SS variability.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Algas Marinas / Contaminantes Químicos del Agua / Monitoreo del Ambiente / Metales Pesados Tipo de estudio: Clinical_trials Idioma: En Revista: Environ Pollut Asunto de la revista: SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Algas Marinas / Contaminantes Químicos del Agua / Monitoreo del Ambiente / Metales Pesados Tipo de estudio: Clinical_trials Idioma: En Revista: Environ Pollut Asunto de la revista: SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido