Ecology
Readouts
Occupied area
-
Mean density
-
Front speed
-
Theory v
-
u_t = div(D grad u) + r u(1-u) [Allee: r u (u-a)(1-u)]. Theory: 2 sqrt(D r); Allee: sqrt(D r/2)(1-2a), front stalls for a >= 0.5. Click or drag on the map to paint.