| Symbol |
Definition |
Value |
| area |
Unit
area (one “cell”) |
25
cm2 |
| A |
Total
system area |
4
x 104 units of area |
| t |
Time |
1
day |
| a |
Age |
1
day |
| s |
Prey
recruitment rate |
1
prey (unit area)–1 day–1 |
| s0 |
Size
of newly settled prey |
1
mm |
| s∞ |
Maximum
prey size |
200
mm |
| b |
Decrease
in prey growth rate with size |
0.0004
day–1 |
|
m0 |
Background
per capita prey mortality rate |
0.0001
day–1 |
| K |
Maximum
prey density |
1
prey (unit area)–1 |
| q |
Predator
attack coefficient |
1.0
unit area predator–1 day–1 |
| c |
Resistance
to predation with prey size |
0.04
unit area mm–1 |
| I |
Predator
immigration rate |
0.01
predator (unit area)–1 day–1 |
| e0 |
Predator
emigration constant |
5.0
mm predator–1 day–2 |