Parasitoid–Host Dynamics
⛶
Nicholson–Bailey
Host density dependence
Negative binomial
Poisson vs Neg-binomial
Initial host Ht
25
Initial parasitoid Pt
10
Host growth R
1.5
Attack rate a
0.023
Conversion c
2
Initial host Ht
2000
Parasitoid intro time T
20
Introduced parasitoids Pt
800
Host growth R
3
Attack rate a
0.01
Conversion c
1
Host capacity K
8000
Initial host Ht
25
Initial parasitoid Pt
10
Host growth R
1.5
Attack rate a
0.023
Conversion c
2
Clumping k
1.3
Smaller k = more aggregation = more stable.
Start parasitoids
10
Attack rate a
0.001
Clumping k
0.5
▶ Plot
↺ Reset
Download
⤓ PNG
⤓ CSV
Nicholson–Bailey model
Cursor: X =
–
, Y =
–
