Acute effects of aluminum and acidity upon nine stream insects. Technical completion report
Technical Report
·
OSTI ID:5099255
The effects of increased aluminum concentrations and decreased pH upon the larval stages of five caddisflies, two mayflies, a stonefly, and a beetle were tested. These insects were removed from two riffle habitats in southern New Hampshire, placed into artificial streams and subjected to additions of aluminum salts and sulfuric acid for a three-day period. Acute mortality and the drifting behavior over the three-day period were then analyzed using multiple linear regression. Aluminum additions caused increased mortality in the stonefly Nemoura nigratta and the caddisfly Macronema spp.; aluminum additions also increased the drift of the caddisfly Potamyia flava, but the response was small and likely due to the increased salinities in aluminum treatments.
- Research Organization:
- New Hampshire Univ., Durham (USA). Dept. of Zoology; New Hampshire Univ., Durham (USA). Water Resources Research Center
- OSTI ID:
- 5099255
- Report Number(s):
- PB-85-214948/XAB
- Country of Publication:
- United States
- Language:
- English
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