Database Reference
In-Depth Information
EGG REST FAILURE
=
LEAKAGE OUTFLOW
LEAKAGE FRACTION
IF (EGG ENVIRONMENTAL FACTOR 2=0)
THEN 1 ELSE (1-EGG FECUNDITY)
NO-LEAK ZONE
=
=
0
LARVAE ACTIVE(t)
=
LARVAE ACTIVE(t
−
dt)
+
(EGG HATCH
−
LARVAE DEATH
LARVAE FEED) * dt
INIT LARVAE ACTIVE
−
=
0
INFLOWS:
EGG HATCH
=
(EGGS*EGG SURVIVAL*EGG ENVIRONMENTAL FACTOR 2)
OUTFLOWS:
LARVAE DEATH
IF (WEEKLY LARVAL TICK BURDEN=0) THEN
LARVAE ACTIVE ELSE (1-LARVAE SURV RATE)*LARVAE ACTIVE
LARVAE FEED
=
=
WEEKLY LARVAL TICK BURDEN) THEN
WEEKLY LARVAL TICK BURDEN ELSE (LARVAE ACTIVE)
=
IF (LARVAE ACTIVE
>
LARVAE FED(t) = LARVAE FED(t
−
dt)
+
(LARVAE FEED
−
LARVAE MOLT
−
LARVAE FED DEATH) * dt
INIT LARVAE FED
=
0
TRANSIT TIME
=
40
INFLOW LIMIT
= ∞
CAPACITY
= ∞
INFLOWS:
LARVAE FEED
=
WEEKLY LARVAL TICK BURDEN) THEN
WEEKLY LARVAL TICK BURDEN ELSE (LARVAE ACTIVE)
OUTFLOWS:
LARVAE MOLT
=
IF (LARVAE ACTIVE
>
CONVEYOR OUTFLOW
LARVAE FED DEATH
=
=
LEAKAGE OUTFLOW
LEAKAGE FRACTION
=
(1
−
LARVAE SURV RATE)
NO-LEAK ZONE
=
0
NYMPHS ACTIVE(t)
=
NYMPHS ACTIVE(t
−
dt)
+
(LARVAE MOLT
−
N DEATH
N FEED) * dt
INIT NYMPHS ACTIVE
−
=
0
INFLOWS:
LARVAE MOLT
=
CONVEYOR OUTFLOW
OUTFLOWS:
N DEATH
IF (WEEKLY NYMPH TICK BURDEN=0) THEN
NYMPHS ACTIVE ELSE (1
=
−
NYMPH SURVIVAL RATE) *
NYMPHS ACTIVE
N FEED
= WEEKLY NYMPH TICK BURDEN)
THEN WEEKLY NYMPH TICK BURDEN ELSE (NYMPHS ACTIVE)
=
IF (NYMPHS ACTIVE
>
