5.1 Three-Age-Cohort Model and Fishing
85
1: SHARE SHORT
0.50
2: SHARE SHORT
3: SHARESHORT
4: SHARESHORT
S: SHARE SHORT
0.00 ....- - - - -.....- -----+------1_----......
0.00
20.00
40.00
Years
60.00
80.00
FIGURE 5.10
tions. For example, the parameter SMOOTHSHORT SHARE in Figure 5.11
uses a third-order smoothing function that requires an input and averaging
time for its specification:
SMOOTHSHORT SHARE = SMTH3(SHARE SHORT,20)
(21)
o
MED&LONG FISHING MORTALITY
TOTAL SHORT POP
TOTAL MEDPOP
TOTAL LONG POP
SHARE SHORT
SMOOTHSHORTSHARE
TOTALPOP
FIGURE 5.11