Influence of sediment in copper toxicity tests with the polychaete Neanthes arenaceodentata

Influence of sediment in copper toxicity tests with the polychaete Neanthes arenaceodentata

Adult male Neanthes arenaceodentata were exposed to measured concentrations of 0.04, 0.06, 0.10, 0.16 and 0.26 mg l −1 Cu in a continuous-flow bioassay system, with and without a clean sand, to assess the influence of sand on Cu induced mortality. The presence of sand did affect the results. The 28-...

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Veröffentlicht in:Water research (Oxford) 1978, Vol.12 (10), p.747-751
Hauptverfasser: Pesch, Carol E., Morgan, Douglas
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Morgan, Douglas
description Adult male Neanthes arenaceodentata were exposed to measured concentrations of 0.04, 0.06, 0.10, 0.16 and 0.26 mg l −1 Cu in a continuous-flow bioassay system, with and without a clean sand, to assess the influence of sand on Cu induced mortality. The presence of sand did affect the results. The 28-day LC50 was lower for polychaetes exposed without sand than those with sand, 0.044 and 0.10 mg l −5 Cu, respectively. The reasons for this difference are discussed.
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title Influence of sediment in copper toxicity tests with the polychaete Neanthes arenaceodentata
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