Database Reference
In-Depth Information
K
=
MOUSE K SUMMER CAP
R
R K DEP/N
R K DEP
=
GRAPH(K)
(0.00, 0.00), (12.0, 1.40), (24.0, 2.80), (36.0, 3.50), (48.0, 4.20), (60.0, 4.90),
(72.0, 5.50), (84.0, 6.00), (96.0, 6.50), (108, 6.90), (120, 7.30)
Oak
=
Acorn Production
ACORN MAST STORE NUMBER(t)
−
=
ACORN MAST STORE NUMBER(t
−
dt)
+
(ACORN MAST STORE IN
ACORN MAST STORE OUT) * dt
INIT ACORN MAST STORE NUMBER
−
=
0
INFLOWS:
ACORN MAST STORE IN
=
ACORN MAST INDEX
OUTFLOWS:
ACORN MAST STORE OUT
=
IF WEEK COUNTER
>
38 THEN
ACORN MAST STORE NUMBER ELSE 0
BLACK OAK ACORN MAST
=
If (BLACK OAK AMP RATE
<
0) THEN 0
ELSE BLACK OAK PROPORTION*BLACK OAK AMP RATE
BLACK OAK AMP RATE
=
IF (TWO YEAR COUNTER
=
77) THEN
(NORMAL(3259,2983)) ELSE IF (TWO YEAR COUNTER
<>
77) AND
(WEEK COUNTER=25) THEN (NORMAL(1059,834)) ELSE 0
BLACK OAK PROPORTION
=
IF WHITE OAK PROPORTION
>
1
OR WHITE OAK PROPORTION
<
0 THEN 1/0 ELSE
(1-WHITE OAK PROPORTION)
MOUSE NEXT SUMMER POP DENSITY
=
IF (WEEK COUNTER
=
25)
THEN (.60*ACORN MAST INDEX
+
7.28) ELSE 0
{
Number of mice the
following summer in one hectare
}
THREE YEAR COUNTER
=
COUNTER(0,156)
TOTAL ACORN MAST
=
BLACK OAK ACORN MAST+WHITE OAK ACORN MAST
TWO YEAR COUNTER
=
COUNTER(0,104)
WEEK COUNTER
COUNTER(0,52)
WHITE OAK ACORN MAST
=
=
IF (WHITE OAK AMP RATE
<
0) THEN 0
ELSE WHITE OAK PROPORTION*WHITE OAK AMP RATE
WHITE OAK AMP RATE
IF (THREE YEAR COUNTER=129) THEN
(NORMAL(2441,1526)) ELSE IF (THREE YEAR COUNTER
=
<>
129) AND
(WEEK COUNTER
25) THEN (NORMAL(700,480)) ELSE 0
WHITE OAK PROPORTION
=
=
1
ACORN MAST INDEX
GRAPH(TOTAL ACORN MAST)
(0.00, 0.00), (1000, 20.0), (2000, 40.0), (3000, 60.0), (4000, 80.0), (5000, 100),
(6000, 120), (7000, 140), (8000, 160), (9000, 180), (10000, 200)
=
Tick Burden on Deer
TICK PER DEER PER DAY
=
IF (WEEK COUNTER
>
=27) AND
(WEEK COUNTER
<
=38) THEN 30 ELSE 0
