Importance of hydrogen ions and aluminium in regulating the structure and function of stream ecosystems: an experimental test
Technical Report
·
OSTI ID:7000488
Experiments simulating spring acidic snowmelt episodes were conducted to determine the effects of short-term inputs of H/sup +/ and Al on the chemistry and biology of a poorly buffered mountain stream. HCl and AlCl/sub 3/ were added in separate experiments to first- to third-order reaches of a New Hampshire stream. Some aspects of the study addressed cation exchange, foam production at the water surface, total phosphorus measurements, drift of mayfly nymphs, blackfly and chironomid larvae and stream pH.
- Research Organization:
- Environmental Protection Agency, Duluth, MN (USA). Environmental Research Lab.
- OSTI ID:
- 7000488
- Report Number(s):
- PB-88-180310/XAB; EPA-600/J-87/264
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID RAIN
ALUMINIUM
ANIMALS
AQUATIC ECOSYSTEMS
ARTHROPODS
ATMOSPHERIC PRECIPITATIONS
BIOCHEMICAL REACTION KINETICS
CATIONS
CHARGED PARTICLES
CONTROL
DIPTERA
ECOSYSTEMS
ELEMENTS
ENVIRONMENTAL IMPACTS
FEDERAL REGION I
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INSECTS
INVERTEBRATES
IONS
KINETICS
LARVAE
METALS
NAPAP
NEW HAMPSHIRE
NONMETALS
NORTH AMERICA
PHOSPHORUS
POLLUTION CONTROL
RAIN
REACTION KINETICS
STREAMS
SURFACE WATERS
USA
WATER POLLUTION CONTROL
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID RAIN
ALUMINIUM
ANIMALS
AQUATIC ECOSYSTEMS
ARTHROPODS
ATMOSPHERIC PRECIPITATIONS
BIOCHEMICAL REACTION KINETICS
CATIONS
CHARGED PARTICLES
CONTROL
DIPTERA
ECOSYSTEMS
ELEMENTS
ENVIRONMENTAL IMPACTS
FEDERAL REGION I
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INSECTS
INVERTEBRATES
IONS
KINETICS
LARVAE
METALS
NAPAP
NEW HAMPSHIRE
NONMETALS
NORTH AMERICA
PHOSPHORUS
POLLUTION CONTROL
RAIN
REACTION KINETICS
STREAMS
SURFACE WATERS
USA
WATER POLLUTION CONTROL