Phytoplankton Abundance and Generic Composition Data for the Potomac River and Estuary, Maryland
Open-File Report
84-859
By: R.R.H. Cohen, S.O. Pollock, V.E. Stoelzel, and K.E. Boulukos
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Abstract
Phytoplankton of the Potomac River and Estuary were counted and identified to the generic level. Double-blind precision tests for an individual counter yielded a standard deviation that was * 10 percent of the mean. Differences between three counters exceeded * 10 percent, and a curve could be fit to calibration counts to yield correlation coefficients of 0.70 to 0.86 between counters. Counters identified the same genera that comprised the highest and second highest percentages of the population in 88 percent of the calibration samples.
Suggested Citation
Cohen, R., Pollock, S., Stoelzel, V., Boulukos, K., 1985, Phytoplankton Abundance and Generic Composition Data for the Potomac River and Estuary, Maryland: U.S. Geological Survey Open-File Report 84-859, iv, 28 p. **PUBLICATION PAGES ARE IN INCORRECT ORDER**, https://doi.org/10.3133/ofr84859.
ISSN: 2331-1258 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Phytoplankton Abundance and Generic Composition Data for the Potomac River and Estuary, Maryland |
| Series title | Open-File Report |
| Series number | 84-859 |
| DOI | 10.3133/ofr84859 |
| Year Published | 1985 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | U.S. Geological Survey |
| Description | iv, 28 p. **PUBLICATION PAGES ARE IN INCORRECT ORDER** |