dx
1
/dt
= x
1
(1 − x
1
)(x
1
− α) + (D/2)(x
2
− x
1
)
dx
2
/dt
= x
2
(1 − x
2
)(x
2
− α) + (D/2)(x
1
− x
2
)
D
dispersal
0.100
α
threshold
0.50
Click the plot to displace the state.
clear
dx
1
/dt = 0
dx
2
/dt = 0
stable
both patches occupied
×
saddle
unstable
D = 0 skeleton