Fate and effects of 5-nitrofuroic acid-2 (NFA) on a marine plankton community in experimental enclosures
Conference
·
· Am. Soc. Test. Mater., Spec. Tech. Publ.; (United States)
OSTI ID:6529717
The fate and effects of a single dose of 0.3 and 1.0 mg of 5-nitrofuroic acid-2 (NFA) per litre on a marine plankton community enclosed in large plastic bags (contents 1.5 m/sup 3/) were studied. The plankton community was derived from North Sea coastal waters, and the model ecosystems were anchored in the harbor of Den Helder, the Netherlands, where they were exposed to a natural light and temperature regimen. Two experimental units were polluted with NFA; a third served as a control. During four weeks the development of the phytoplankton, zooplankton, and bacteria was followed, as were a set of physicochemical parameters including nutrients, light, and temperature. The nitro group was removed from the NFA within about one day of the addition of the compound to the model ecosystems, probably as a result of the exposure to light. The intact NFA inhibited the phytoplankton slightly; the remaining molecule produced no detectable effects in the system. The development of the enclosed community was very similar in the different bags.
- Research Organization:
- Laboratory for Applied Marine Research, Division of Technology for Society, TNO, Den Helder
- OSTI ID:
- 6529717
- Report Number(s):
- CONF-8110103-
- Conference Information:
- Journal Name: Am. Soc. Test. Mater., Spec. Tech. Publ.; (United States) Journal Volume: STP-802
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AQUATIC ECOSYSTEMS
AQUATIC ORGANISMS
ATLANTIC OCEAN
BENCH-SCALE EXPERIMENTS
BIOLOGICAL EFFECTS
ECOSYSTEMS
ELECTROMAGNETIC RADIATION
METABOLISM
NORTH SEA
NUTRIENTS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOSENSITIVITY
PLANKTON
POLLUTION
RADIATIONS
SEAS
SENSITIVITY
SURFACE WATERS
TEMPERATURE DEPENDENCE
VISIBLE RADIATION
WATER POLLUTION
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AQUATIC ECOSYSTEMS
AQUATIC ORGANISMS
ATLANTIC OCEAN
BENCH-SCALE EXPERIMENTS
BIOLOGICAL EFFECTS
ECOSYSTEMS
ELECTROMAGNETIC RADIATION
METABOLISM
NORTH SEA
NUTRIENTS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOSENSITIVITY
PLANKTON
POLLUTION
RADIATIONS
SEAS
SENSITIVITY
SURFACE WATERS
TEMPERATURE DEPENDENCE
VISIBLE RADIATION
WATER POLLUTION