| Abstract: | The authors conducted 150 tests of the acute toxicity of resident fish and invertebrates to Cd, Pb, and Zn, separately and in mixtures, in waters from the South Fork Coeur d‘Alene River watershed, Idaho, USA. Field-collected shorthead sculpin (Cottus confusus), westslope cutthroat trout (Oncorhynchus clarkii lewisi), two mayflies (Baetis tricaudatus and Rhithrogena sp.), a stonefly (Sweltsa sp.), a caddisfly (Arctopsyche sp.), a snail (Gyraulus sp.), and hatchery rainbow trout (Oncorhynchus mykiss), were tested with all three metals. With Pb, the mayflies (Drunella sp., Epeorus sp., and Leptophlebiidae), a Simuliidae black fly, a Chironomidae midge, a Tipula sp. crane fly, a Dytiscidae beetle, and another snail (Physa sp.), were also tested. Adult westslope cutthroat trout were captured to establish a broodstock to provide fry of known ages for testing. With Cd, the range of 96-h median effect concentrations (EC50s) was 0.4 to >5,329μg/L, and the relative resistances of taxa were westslope cutthroat trout ≈ rainbow trout ≈ sculpin << other taxa; with Pb, EC50s ranged from 47 to 3,323μg/L, with westslope cutthroat trout < rainbow trout < other taxa; and with Zn, EC50s ranged from 21 to 3,704μg/L, with rainbow trout < westslope cutthroat trout ≈ sculpin << other taxa. With swim-up trout fry, a pattern of decreasing resistance with increasing fish size was observed. In metal mixtures, the toxicities of the three metals were less than additive on a concentration-addition basis. |
| Genre: | Article |
| ProdID: | 70038635 |
| Citation Author: | Mebane, Christopher A.; Dillon, Frank S.; Hennessy, Daniel P. |
| Citation Contributing Office: | Idaho Water Science Center |
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| Citation End Page: | 1348 |
| Citation Issue: | 6 |
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| Citation Language: | English |
| Citation Larger Work Title: | Environmental Toxicology and Chemistry |
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| Citation Number Of Pages: | 14 |
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| Citation Phsyical Description: | 15 p. |
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| Citation Publisher: | Wiley |
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| Citation Search Results Text: | Acute toxicity of cadmium, lead, zinc, and their mixtures to stream-resident fish and invertebrates; 2012; Article; Journal; Environmental Toxicology and Chemistry; Mebane, Christopher A.; Dillon, Frank S.; Hennessy, Daniel P. |
| Citation Start Page: | 1334 |
| Citation Volume: | 31 |
| Citation Year: | 2012 |
| Type: | citation/reference |
| Text: | Acute toxicity of cadmium, lead, zinc, and their mixtures to stream-resident fish and invertebrates; 2012; Article; Journal; Environmental Toxicology and Chemistry; Mebane, Christopher A.; Dillon, Frank S.; Hennessy, Daniel P. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1002/etc.1820 |
| Date Other: | Thu, 7 Jun 2012 00:00 -0500 |
| Publisher: | Wiley |
