Ultraviolet radiation and phytoplankton photosynthesis
Journal Article
·
· Limnol. Oceanogr.; (United States)
The effect of present-day levels of ultraviolet radiation (290 to 320 nm) on /sup 14/C incorporation by natural phytoplankton populations was measured. There is a statistical relatonship between dosage and reduction of /sup 14/C uptake. This effect could be detected throughout a significant portion of the euphotic zone, but the major effect is restricted to the upper portions of the euphotic zone. Overall, its effect on present-day estimates of oceanic production is minimal. Similarly, potential effects of elevated uv-B levels striking the surface of the sea, resulting from perturbations of the ozone layer, are restricted to the upper few meters of the water column.
- Research Organization:
- Univ. of Washington, Seattle
- OSTI ID:
- 5643491
- Journal Information:
- Limnol. Oceanogr.; (United States), Journal Name: Limnol. Oceanogr.; (United States) Vol. 24:6; ISSN LIOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520100 -- Environment
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
560153* -- Radiation Effects on Animals-- Invertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AQUATIC ORGANISMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
CARBON 14
CARBON ISOTOPES
CHEMICAL REACTIONS
ELECTROMAGNETIC RADIATION
EVEN-EVEN NUCLEI
ISOTOPES
LIGHT NUCLEI
NUCLEI
OZONE LAYER
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PHYTOPLANKTON
PLANKTON
POLLUTION
RADIATIONS
RADIOISOTOPES
SYNTHESIS
ULTRAVIOLET RADIATION
UPTAKE
YEARS LIVING RADIOISOTOPES
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
560153* -- Radiation Effects on Animals-- Invertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AQUATIC ORGANISMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
CARBON 14
CARBON ISOTOPES
CHEMICAL REACTIONS
ELECTROMAGNETIC RADIATION
EVEN-EVEN NUCLEI
ISOTOPES
LIGHT NUCLEI
NUCLEI
OZONE LAYER
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PHYTOPLANKTON
PLANKTON
POLLUTION
RADIATIONS
RADIOISOTOPES
SYNTHESIS
ULTRAVIOLET RADIATION
UPTAKE
YEARS LIVING RADIOISOTOPES