Virginia Institute of Marine Science
The following biomass estimates were computed from trawl catches made during the VIMS ichthymlogy fish surveys. These catches were adjusted by whatever information was available in the literature on mortality rates, and length-weight relationships to arrive at the .. best available estimate of standing crop, and then its weight.
Wokcik, F. J. (1979) Estimated total finfish biomass for the James River for 1975. Manuscript. Virginia Institute of Marine Science, William & Mary. https://scholarworks.wm.edu/reports/2671