SEAGRASS LOSSES CONCERNS: DOES SEDIMENT METAL POLLUTION MATTER?

Authors

  • Clarissa Lourenço de Araujo Universidade Federal Fluminense
  • Daniel Dias Loureiro Universidade Federal Fluminense
  • Marcos Manoel Ferreira Universidade Federal Fluminense
  • Luiz Drude de Lacerda Universidade Federal do Ceará
  • Marcos Antonio Fernandez Universidade do Estado do Rio de Janeiro
  • Wilson Tadheu Valle Machado Universidade Federal Fluminense

Abstract

Seagrass losses result in the losing of well-known environmental services (e.g. nutrient retention), but a potential additional service loss is the trace metal retention by seagrass-colonized sediments. A preliminary study within a coastal lagoon in SE Brazil showed that upper layers of sediments colonized by the seagrass Ruppia maritima presented significantly higher reactive (HCl-extractable) concentrations of Fe, Mn, Cu and Zn than adjacent bare sediments. A lower sensitivity to R. maritima colonization was observed for Pb. Decreasing metal trapping capacity due to R. maritima removal deserves attention, since this practice occurs in the study area.

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Author Biography

Clarissa Lourenço de Araujo, Universidade Federal Fluminense

Departamento de Geoquímica Ambiental

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Published

2015-02-27

How to Cite

Araujo, C. L. de, Loureiro, D. D., Ferreira, M. M., Lacerda, L. D. de, Fernandez, M. A., & Machado, W. T. V. (2015). SEAGRASS LOSSES CONCERNS: DOES SEDIMENT METAL POLLUTION MATTER?. Geochimica Brasiliensis, 28(2), 131. Retrieved from https://geobrasiliensis.org.br/geobrasiliensis/article/view/388

Issue

Vol. 28 No. 2 (2014)

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Articles

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