# File --> Perch_GL.csv
#   fl = Fork Length (mm)
#   w = Weight (g)
#   year = year of capture
# Data visually extracted from Figure 3 in Brylinsky, M.  2001.  An Evaluation of Changes
#   in the Yellow Perch (Perca flavescens) Population of Grafton Lake, Kejimkujik National
#   Park After Dam Removal.  Publication No. 59 of the Acadia Centre for Estuarine 
#   Research.