The effect of hexavalent chromium on the critical thermal maximum and body burden of Clioperla clio (Plecoptera: Perlodidae)

Clioperla clio nymphs exposed to eight levels of hexavalent chromium experienced 0.03-76% lethality after 96 hours, and the 96 hour LC sub(50) at 9 degree Cwas 101.3 mg/l. Body burdens of the exposed nymphs ranged from 1.37-5.25 mu g Cr/g dry weight and were proportional to the exposure level. These...

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Veröffentlicht in:	Archives of environmental contamination and toxicology 1989-07, Vol.18 (4), p.594-600
Hauptverfasser:	Poulton, B.C, Beitinger, T.L, Stewart, K.W
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal, plant and microbial ecology Applied ecology Biological and medical sciences CHROME CHROMIUM Clioperla clio CROMO Ecotoxicology, biological effects of pollution EFECTOS SECUNDARIOS Effects of pollution and side effects of pesticides on protozoa and invertebrates EFFET SECONDAIRE EPHEMEROPTERA Fundamental and applied biological sciences. Psychology NINFAS NYMPHE NYMPHS Perlodidae PESO Plecoptera POIDS SIDE EFFECTS TEMPERATURA TEMPERATURE TOLERANCES WEIGHT
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Zusammenfassung:	Clioperla clio nymphs exposed to eight levels of hexavalent chromium experienced 0.03-76% lethality after 96 hours, and the 96 hour LC sub(50) at 9 degree Cwas 101.3 mg/l. Body burdens of the exposed nymphs ranged from 1.37-5.25 mu g Cr/g dry weight and were proportional to the exposure level. These results suggest that environmental Cr should not adversely effect these nymphs.
ISSN:	0090-4341 1432-0703
DOI:	10.1007/BF01055027