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Ecotoxicology

, Volume 18, Issue 8, pp 1165–1175 | Cite as

Ecological risk assessment of sediment management areas: application to Sado Estuary, Portugal

  • Sandra CaeiroEmail author
  • Maria Helena Costa
  • Angel DelValls
  • Tiago Repolho
  • Margarida Gonçalves
  • Alice Mosca
  • Ana Paula Coimbra
  • Tomás B. Ramos
  • Marco Painho
Article

Abstract

The purpose of this work was to integrate different methodologies to assess the potential ecological risk of estuarine sedimentary management areas, using the Sado Estuary in Portugal as case study. To evaluate the environmental risk of sediment contamination, an integrative and innovative approach was used involving assessment of sediment chemistry, sediment toxicity, benthic community structure, human driving forces and pressures and management areas organic load levels. The basis for decision-making for overall assessment was a statistical multivariate analysis appended into a score matrix tables, using a best expert judgment. The integrated approach allowed to identify from the 19 management areas analyzed, three with no risk but other three with high risk to cause adverse effects in the biota, related with the contaminants analyzed. The methodologies used showed to be effective as a support for decision making leading to future estuarine management recommendations.

Keywords

Sediment quality Ecological risk assessment Ecosystems disturbance Sado estuary Pollution effects 

Notes

Acknowledgments

Sandra Caeiro’s work was partially supported by a PRODEP Program grant. The research was approved by the Portuguese Science and Technology Foundation and POCTI (Research Project POCTI/BSE 35137/99) and financed by FEDER.

Supplementary material

10646_2009_372_MOESM1_ESM.pdf (113 kb)
Supplementary material 1 (PDF 112 kb)

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Sandra Caeiro
    • 1
    • 2
    Email author
  • Maria Helena Costa
    • 2
  • Angel DelValls
    • 3
  • Tiago Repolho
    • 4
  • Margarida Gonçalves
    • 5
  • Alice Mosca
    • 6
  • Ana Paula Coimbra
    • 7
  • Tomás B. Ramos
    • 8
  • Marco Painho
    • 9
  1. 1.Department of Science and TechnologyPortuguese Distance Learning UniversityLisbonPortugal
  2. 2.IMAR, Instituto do Mar, Faculty of Science and TechnologyNew University of LisbonCaparicaPortugal
  3. 3.Faculty of Environmental and Sea SciencesCadiz UniversityPuerto Real, CadizSpain
  4. 4.Laboratório Marítimo da GuiaCentro de Oceanografia-FCULCascaisPortugal
  5. 5.GDEH, Faculty of Science and TechnologyNew University of LisbonCaparicaPortugal
  6. 6.SPECANALITICA, Equipamentos Científicos Lda.CarcavelosPortugal
  7. 7.Laboratory of Chemical, Physical and Biological AnalysisCONTROLABPóvoa de Santa IriaPortugal
  8. 8.CENSE, Department of Sciences and Environmental Engineering, Faculty of Science and TechnologyNew University of LisbonCaparicaPortugal
  9. 9.ISEGI/CEGI, Institute for Statistics and Information ManagementNew University of LisbonLisbonPortugal

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