Effects of cadmium exposure on feeding of freshwater planktonic crustaceans

1. 1. Effects of cadmium exposure (0.010–0.100 ppm) on food consumption and assimilation rates of crustacean Zooplankton from 2 lakes were studied in laboratory using radioisotope ( 14C) technique. 2. 2. The inhibiting effects were significant 48 hr after Cd-exposure, but not after 20 hr exposure. 3...

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Published inComparative biochemistry and physiology. C, Comparative pharmacology Vol. 90; no. 2; pp. 335 - 340
Main Authors Gulati, R.D., Bodar, C.W.M., Schuurmans, A.L.G., Faber, J.A.J., Zandee, D.I.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier B.V 1988
New York, NY Pergamon Press
Subjects
Biochemistry. Physiology. Immunology
Biological and medical sciences
Crustacea
Fundamental and applied biological sciences. Psychology
Invertebrates
Physiology. Development
Assimilation
Cadmium
Filtering
Cladocera
Radioisotope
Feeding
Ingestion
Heavy metal
Crustacea
Freshwater environment
Cyclops
Plankton
Arthropoda
Copepoda
Bosmina longirostris
Daphnia
Invertebrata
Branchiopoda
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Summary:1. 1. Effects of cadmium exposure (0.010–0.100 ppm) on food consumption and assimilation rates of crustacean Zooplankton from 2 lakes were studied in laboratory using radioisotope ( 14C) technique. 2. 2. The inhibiting effects were significant 48 hr after Cd-exposure, but not after 20 hr exposure. 3. 3. Daphnia spp. were the most affected cladocerans; copepods, especially the cyclopoids, appeared less sensitive. 4. 4. The decrease in assimilation rates was much more marked than in the consumption rates. 5. 5. The 14C-technique offers quick and sensitive means of studying the effects of heavy metal toxicity.
ISSN:0306-4492
DOI:10.1016/0742-8413(88)90007-2