Phytoplankton productivity, respiration, and nutrient uptake and regeneration in the Potomac River, August 1977 - August 1978
Open-File Report
81-700
By: B.E. Cole and D.D. Harmon
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Abstract
Rates of phytoplankton productivity, respiration, and nutrient uptake and regeneration are presented. These observations were made on the Potomac River estuary (POTE) during four cruises between August 1977 and August 1978. Four experimental methods were used: carbon uptake using carbon-14, carbon uptake and respiration by a pH method, productivity and respiration by the dissolved oxygen method, and nutrient (NH4+, NO3-, NO2-, PO4=, and SiO2=) uptake and regeneration by colorimetry. The experiments were made at sites representative of conditions in four principal reaches of the tidal Potomac River estuary: near the mouth, seaward of the summer nutrient and phytoplankton maximum, near the region of maximum phytoplankton standing stock , and near the maximum anthropogenic nutrient source. (USGS)
Suggested Citation
Cole, B., and Harmon, D., 1981, Phytoplankton productivity, respiration, and nutrient uptake and regeneration in the Potomac River, August 1977 - August 1978: U.S. Geological Survey Open-File Report 81-700, 51 p. : ill., 2 maps ; 28 cm., https://doi.org/10.3133/ofr81700.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Phytoplankton productivity, respiration, and nutrient uptake and regeneration in the Potomac River, August 1977 - August 1978 |
| Series title | Open-File Report |
| Series number | 81-700 |
| DOI | 10.3133/ofr81700 |
| Year Published | 1981 |
| Language | ENGLISH |
| Description | 51 p. : ill., 2 maps ; 28 cm. |