A 300×200 landscape of native vegetation. Click anywhere to drop an invader colony. With higher reproduction rate and stronger competition, invaders sweep through the native population as a traveling wave.
Click on the map to introduce invaders
Population
Native
0
Invasive
0
Since introduction
—
Generation
0
NativeInvasiveEmpty
Ecology
0.35
0.70
1
0.03
1.40
Controls
Local Lotka-Volterra-style competition. An occupied cell may die at mortality rate; empty cells receive colonists from neighbors within dispersal range, weighted by the colonist's effective fecundity (r × competitive weight). Invaders have a multiplicative edge in the competition lottery.