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Ecological risk index integrating metal contamination and ecotoxicological data for estuarine sediments

2026-08-03

0

OA

AI

M

Matheus Teixeira *

R

Ricardo Cesar

D

Denis Moledo de Souza Abessa

C

Cristiano V.M. Araújo

I

Ignácio Moreno‐Garrido

W

Wilson Machado

DOI：10.1016/j.envpol.2026.128885

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Abstract

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• A novel ecological risk index integrating metal and toxicity data was proposed. • The index allows sediment samples to be classified into four risk levels. • Data from a tropical estuary impacted by domestic waste were used to test the index. • Potential hazards were found in river mouths and the canal connecting the lagoons. • The risk level was generally moderate, with Zn and Cu as the main contributors.

Keywords:

Toxicity

Domestic sewage

Bioassays

Lagoon

Numerical estimation

Ecological risk index integrating metal contamination and ecotoxicological data for estuarine sediments

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