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Copper toxicity to different field-collected cladoceran species: intra- and inter-species sensitivity
Bossuyt, B.T.A.; Janssen, C.R. (2005). Copper toxicity to different field-collected cladoceran species: intra- and inter-species sensitivity. Environ. Pollut. 136(1): 145-154
In: Environmental Pollution. Elsevier: Barking. ISSN 0269-7491, more
Peer reviewed article  

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    Copper; Cladocera [WoRMS]; Fresh water

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  • Bossuyt, B.T.A., more
  • Janssen, C.R., more

    The acute copper sensitivity of 44 European freshwater cladocerans, from four families (Daphniidae, Bosminidae, Macrothricidae, Chydoridae) and 13 genera (Daphnia, Ctenodaphnia, Ceriodaphnia, Simocephalus, Scapholeberis, Bosmina, Acantholeberis, Alona, Acroperus, Chydorus, Eurycercus, Disparalona and Pleuroxus) were assayed. The 48-h EC50s of field-collected organisms tested in reconstituted standard laboratory water ranged from 5.3 to 70.6 tag Cu L-1. Only among Ctenodaphnia were significant intra-species differences observed. Significant inter-species differences were noted among Alonina and Daphnia. Between all genera tested, a maximum of a 12-fold difference in copper sensitivity was noted. Most animals were more sensitive than a laboratory D. magna clone. A weak non-significant increasing trend was noted between mean cladoceran 48-h EC50 and ambient copper concentration of the different aquatic systems, suggesting acclimation/adaptation in the field. A positive relationship was also observed between the 48-h EC50 of the field-collected cladoceran species (without the Chydoridae family) and the size of the organisms.

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