Record Display for the EPA National Library CatalogRECORD NUMBER: 1 OF 3
|Main Title||Estimation of Live Fish Weight by Photography.|
|Author||Christensen, Glenn M. ; Fiandt, James T. ; Benoit., Duane A. ;|
|CORP Author||Environmental Research Lab.-Duluth, Minn.|
|Stock Number||PB-269 413|
|Additional Subjects||Fishes ; Estimating ; Photographic images ; Mathematical prediction ; Weight(Mass) ; Length ; Width ; Errors ; Reprints|
The formula used in the calculation was Wt = KL(W squared), where Wt = weight (g); K = proportionality factor, derived from a subsample of the population under study; L = length (cm); and W = width (cm). When tested against true weights, the derived weights had a mean error of + or - 8.6%.