Ecosystem Simulator
(1) Choose an ecosystem
Subalpine forests, Northern Rocky Mountains, USA & Canada
(2) Choose a bird to remove
(3) Predict — if the Clark's Nutcracker disappeared, what would happen to…
- Whitebark pine
- American red squirrel
- Grizzly & black bears
- Snowpack & soils
About this simulator. It is an educational model built from documented relationships, not a population model. It shows the direction of effects reported or proposed in the literature, graded by evidence — never predicted numbers.