Abstract

    Open Access Research Article Article ID: ALO-2-106

    Using the Amphipod Hyale Nigra to Assess the Quality of Marine Sediments

    Passarelli MC*, Cesar A, and Abessa DMS

    Few species are standardized and have been used as test organisms around the world in
    ecotoxicological assays. In the case of sediment assessment, there are only two amphipod species
    (Tiburonella viscana and Grandidierella bonnieroides) standardized protocols for toxicity test in South
    Atlantic region.In order to evaluate the possibility of using the epibenthic marine amphipod Hyale nigra
    in toxicity tests, a sensitivity test using spiked sediment method was applied, with cadmium chloride
    as a reference toxicant (CdCl2). Tests with environmental samples were performed to validate the test
    organisms. The samples were taken from Santos Estuary and Bay in state of Sao Paulo, Brazil. The
    historical toxicity and contamination are mentioned in the literature. The results obtained in the spiked
    sediment tests showed little variation in the sensitivity of Hyale nigra amphipod with a mean LC50 value
    of 5.73 mg.L-1 (1.51 mg.L-1 – 8.75 mg.L-1). In the tests with environmental samples, the results obtained
    were similar to those found in the literature regarding this sampling area. This study demonstrates the
    potential of Hyale nigra amphipod as a test organism in toxicity tests, once that the specie is sensitive and
    its results were similar to those reported in the literature on other species of amphipods that are already
    used in ecotoxicological studies.

    Keywords: Sediment; Amphipod; Hyale nigra; Spiked sediment.

    Published on: Nov 18, 2017 Pages: 25-30

    Full Text PDF Full Text HTML DOI: 10.17352/alo.000006
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