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Toxicity of copper, mercury and lead to a marine nematode
Vranken, G.; Heip, C.H.R. (1986). Toxicity of copper, mercury and lead to a marine nematode, in: Heip, C.H.R. et al. (Ed.) Ecology, ecotoxicology and systematics of marine benthos. pp. 173-190
In: Heip, C.H.R.; Coomans, A. (Ed.) (1986). Ecology, ecotoxicology and systematics of marine benthos. Laboratorium voor Morfologie en Systematiek der Dieren Sektie Mariene Biologie Rijksuniversiteit Gent: Gent. 217 pp., more
Related to:
Vranken, G.; Heip, C.H.R. (1986). Toxicity of copper, mercury and lead to a marine nematode. Mar. Pollut. Bull. 17(10): 453-457, more
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Keywords
    Chemical elements > Metals > Heavy metals > Lead
    Chemical elements > Metals > Heavy metals > Mercury
    Chemical elements > Metals > Transition elements > Heavy metals > Copper
    Properties > Biological properties > Toxicity
    Nematoda [WoRMS]
    Marine/Coastal
Authors  Top 
  • Vranken, G.
  • Heip, C.H.R., more
Abstract
    Toxicity of copper, lead and mercury to the nematode Diplolaimella spec 1 is studied. Mortality responses obtained demonstrate high resistance to heavy metals. Population growth parameters as the intrinsic rate of natural increase and net-reproductivity are significantly depressed at copper-concentrations which cause no juvenile mortality. The lowest concentrations tested caused significant inhibition of development rate in both sexes. For this particular nematode species suppression of fecundity and developmental inhibition are more reliable criteria, determining non-exceedable limits with regard to environmental safety. Our tests show that nematode productivity may be significantly depressed at copper levels found in some areas of the North Sea.
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