12.5. Questions and Tasks
245
CAPACITY
00
INFLOWS:
Female_Born = 0.4*Otters_Born {otter}
OUTFLOWS :
Go_to_2yrs = CONVEYOR OUTFLOW
Die_Youngf = LEAKAGE OUTFLOW
LEAKAGE FRACTION = 0 .01 {otters/month}
NO-LEAK ZONE = 0
Female_14(t) = Female_14 (t-dt) + (Go_to_2yrs +
InFemale14-To_4yrs-Die_Juvenilef) * dt
INIT Female_14 = 0 {Otters}
TRANSIT TIME = 36
INFLOW LIMIT = 00
CAPACITY = 00
CONVEYOR OUTFLOW
PULSE(5,5,2000) {Initial otter population}
INFLOWS:
Go_to_2yrs
InFemale14
OUTFLOWS:
To_4yrs = CONVEYOR OUTFLOW
Die_Juvenilef = LEAKAGE OUTFLOW
LEAKAGE FRACTION = 0 .1 {Otter/month}
NO-LEAK ZONE = 0
Female_417(t) = Female_41 7 (t-dt) + (T o_4yrs +
InFemale417-Die_Oldf ) * dt
INIT Female_417 = 0 {otter}
TRANSIT TIME = 1 5 6
INFLOW LIMIT =
CAPACITY = 00
INFLOWS:
To_4yrs = CONVEYOR OUTFLOW
InFemale417 = PULSE(5,5,2000) {Initial otter
population}
OUTFLOWS:
Die_Oldf = CONVEYOR OUTFLOW
Male_01(t) = Male_01(t -dt) + (Male_Born-To_2yrsDeath_Young) * dt
INIT Male_01 = 0 {otter}
TRANSIT TIME = 1 2
INFLOW LIMIT =
CAPACITY = 00