Temporal and spatial variability of phytoplankton in a subtropical ecosystem

Journal Article · Tue May 01 04:00:00 EDT 1984 · Limnol. Oceanogr.; (United States)

DOI:https://doi.org/10.4319/lo.1984.29.3.0527· OSTI ID:6409999

Bienfang, P K; Szyper, J P; Okamoto, M P; Noda, E K

Phytoplankton conditions were examined at two stations off the leeward coast of Oahu, Hawaii. Significant temporal variability was observed in the chlorophyll and pheopigment data. Significant temporal and spatial variability was observed in the ATP and productivity data. Dissimilar inflection depths for nitrate, phosphate, and silicate indicate nitrate availability and phosphate limitation in the lower photic zone. Production between January and May was 11 times that between May and November; productivity below 44 m accounted for most of this variation. Biological and physical analyses indicate that variations in vertical nutrient supply, related to differences in current shear, caused this temporal variaton.

• Research Organization: Oceanic Inst., Waimanalo, HI
• OSTI ID: 6409999
• Journal Information: Limnol. Oceanogr.; (United States), Journal Name: Limnol. Oceanogr.; (United States) Vol. 29:3; ISSN LIOCA
• Country of Publication: United States
• Language: English

Related Subjects

520100* -- Environment
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
AQUATIC ECOSYSTEMS
AQUATIC ORGANISMS
ATP
CARBOXYLIC ACIDS
CHLOROPHYLL
DISTRIBUTION
ECOSYSTEMS
FEDERAL REGION IX
FLUCTUATIONS
HAWAII
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
MONTHLY VARIATIONS
NITRATES
NITROGEN COMPOUNDS
NORTH AMERICA
NUCLEOTIDES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PACIFIC OCEAN
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYTOCHROMES
PHYTOPLANKTON
PIGMENTS
PLANKTON
PORPHYRINS
PRODUCTIVITY
SEAS
SILICATES
SILICON COMPOUNDS
SPATIAL DISTRIBUTION
SURFACE WATERS
USA
VARIATIONS