caa a22 4500 469029323 CHVBK 20180323132739.0 cr unu---uuuuu 170328e19920401xx s 000 0 eng 10.1007/BF00400052 doi (NATIONALLICENCE)springer-10.1007/BF00400052 Ozoh P. Institute of Estuarine and Coastal Studies, School of Life Sciences, University of Hull, HU6 7RX, England aut The effects of salinity, temperature and sediment on the toxicity of copper to juvenile Hediste (Nereis) diversicolor (O. F. Muller) [Elektronische Daten] [P. Ozoh] Without sediment, increasing salinity (7.3 to 29.2‰) and increasing temperature (12 to 22 °C) reduced the toxicity of copper to juvenile Hediste diversicolor. The LC50 values ranged from 357 μgL-1 in 7.3‰ to 513 μg L-1 in 29.2‰ at 12°C and from 247 to 500 μg L-1 at 22°C. In deionized water all the juvenile were dead in all solutions to which copper was added (100 to 600 μg L-1). Dead worms were swollen and everted their pharynxs. In higher doses of copper (500 to 600 μg L-1) the worms were abnormal in behaviour in all salinities (0 to 29.2‰). The ability to swim or crawl was disturbed. With sediments increasing temperature and increasing salinity increased the toxicity of copper to the worms. The LC50 values ranged from 3200 to 4100 μg L-1 at 22°C. The response of the juvenile to copper was antagonistic to increasing temperature and salinity and synergistic to increasing salinity and increasing temperature without and with the sediment respectively. Kluwer Academic Publishers, 1992 Environmental Monitoring and Assessment Kluwer Academic Publishers 21/1(1992-04-01), 1-10 0167-6369 21:1<1 1992 21 10661 https://doi.org/10.1007/BF00400052 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00400052 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Ozoh P. Institute of Estuarine and Coastal Studies, School of Life Sciences, University of Hull, HU6 7RX, England aut NATIONALLICENCE 773 0- Environmental Monitoring and Assessment Kluwer Academic Publishers 21/1(1992-04-01), 1-10 0167-6369 21:1<1 1992 21 10661 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer