Observed age,NPPB,mortality,biomass, from CHEF plots for PRODCURV.BAS Initial biomass=569.7 at age 85; measured CWD=154 at age 143 8 90 11.4 2.3 615.1 95 9.3 2 651.7 105 6.7 3 688.7 118 8.1 3.2 752 128 7.5 5.3 774.6 133 6.2 9.9 755.9 138 6.8 4.9 765 143 6.7 6.1 767.6