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Título: | Short-term toxicity tests on the harpacticoid copepod Tisbe battagliai: Lethal and reproductive endpoints |
Autor: | Diz, Fernando R.; Araújo, Cristiano V. M. CSIC ORCID CVN ; Moreno-Garrido, Ignacio CSIC ORCID ; Hampel, Miriam CSIC ORCID; Blasco, Julián CSIC ORCID | Palabras clave: | Copper Fecundity Linear alkylbenzene sulphonate Total newborn production Short-term assays Reproductive assays |
Fecha de publicación: | 10-abr-2009 | Editor: | Elsevier | Citación: | Ecotoxicology and Environmental Safety 72(7): 1881-1886 (2009) | Resumen: | Short-term bioassays based on lethal and reproductive responses of Tisbe battagliai were applied to determine responses of copepods to copper and LAS. Percentage of spawning females, fecundity (F), and total newborn production (N) for 48 and 72 h were calculated for both substances. It was observed percentage of spawning females was not affected by sublethal concentrations of both compounds. Following values were obtained: EC50(N)-48 h of 670±30 μg LAS L−1 and EC50(F)-48 h of 670±30 μg LAS L−1; and EC50(N)-72 h of 44.5±1.8 μg Cu L−1 and EC50(F)-72 h of 30.8±1.1 μg Cu L−1. Lethal effects of the two substance-types were also assessed, obtaining the LC50-24 h of 1980±160 μg LAS L−1; and LC50-48 h of 83.1±10.5 μg Cu L−1 for nauplii; and LC50-72 h of 157±25 μg Cu L−1, and LC50-72 h of 2660±270 μg LAS L−1 for adults. Fecundity and total newborn production are sensitive endpoints for determining effects of toxicants. | Descripción: | 6 páginas, 5 figuras, 1 tabla. | Versión del editor: | http://dx.doi.org/10.1016/j.ecoenv.2009.03.004 | URI: | http://hdl.handle.net/10261/43255 | DOI: | 10.1016/j.ecoenv.2009.03.004 | ISSN: | 0147-6513 | E-ISSN: | 1090-2414 |
Aparece en las colecciones: | (ICMAN) Artículos |
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