Effects of pulp mill effluents on vertebrae of fourhorn sculpin, Myoxocephalus quadricornis , bleak, Alburnus alburnus , and perch, Perca fluviatilis

B. -E. Bengtsson, A. Bengtsson, U. Tjärnlund

ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY(1988)

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摘要
Laboratory investigations with juvenile fourhorn sculpin,Myoxocephalus quadricornis, exposed for 4 1/2 months to four pulp mill effluents resulted in elevated frequencies of vertebral deformation. Vertebrae composition and mechanical strength were altered as a result of the treatment. The same parameters were also altered for bleak,Alburnus alburnus, exposed for 3 1/2 months to the same effluents. The response pattern was, however, different and no vertebral deformation could be confirmed by X-ray technique. A field survey on feral perch,Perca fluviatilis, sampled in the vicinity of two kraft pulp mills with and without bleaching, respectively, on the Swedish east coast (Gulf of Bothnia) gave results similar to those obtained for bleak.
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关键词
Waste Water,Water Management,Water Pollution,Mechanical Strength,Field Survey
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