10.5. Q uestio ns and Tasks
213
OUTFLOWS:
MATURE_P _LAR
P_LARVAE*I NST_ SURV_P_LARVAE* ( l / P_LARVAL_ STAGE_ DURATI ON}
DIE__P_LAR = (l -INST_SURV_P_LARVAE} *P_LARVAE /DT
I NST_SURV_P_LARVAE =
EXP(LOGN(P_LARVAL_SURVIVORSHIP}* (l /P_LARVAL_STAGE_DURAT
ION) *DT}
LAG_P_ADULT = DELAY(P_ADULT,P_ADULT_STAGE_DURATION}
LAG_P_ JUV =
DELAY( P_JUVENILES , P_J UVENILE_STAGE_DURATI ON}
P_ADULT_ STAGE_ DURATI ON = 8
P_ADULT_SURVI VORSHI P = . 35
P_FECUN = 675
P_JUVENILE_STAGE_ DURATI ON
4
P_JUVENILE_SURVIVORSHI P
.415
P_LARVAL_STAGE_DURATI ON = 2
P_LARVAL_SURVI VORSHI P = . 003
P_WEEKLY_EGGS = POLY_ADULTS*P_ FECUN
Polydor a Population Module
POLYDORA_ADULTS =
P_ADULT_ I MMIGRANTS+P_ADULT+P_MATURE IMMIGRANT ADULTS
POLYDORA_JUVENI LES = P_J UVENI LES+P_J UV_I MMI GRANTS
TOTAL_POLYDORA = POLYDORA_ADULTS+POLYDORA_JUVENILES