Ecosystems
Interdependent webs where a change anywhere ripples everywhere.
An ecosystem is a network of organisms and their environment, mutually shaping each other. Remove the wolves from a forest and the deer population explodes, the saplings get eaten, the forest composition changes, the rivers (no longer shaded by trees) warm up, and the trout populations decline. The wolves were holding up multiple links you didn't see.
Industries are ecosystems too. So are markets, professional communities, and supply chains. Pulling one component out has consequences across the whole web, often non-obvious ones.
For operators, ecosystem thinking applies whenever you're considering removing or changing a key player. The first-order effect is usually obvious. The second-, third-, and fourth-order effects are usually what determines success or failure.
Examples in the wild
Companies that lose a key supplier sometimes discover that supplier was holding up other suppliers' decisions to keep serving them. The first supplier was a load-bearing node in the broader supply ecosystem.
When a regulator changes a rule, the ripples through the affected ecosystem usually surprise everyone. Most regulation has unintended consequences because the ecosystem connections weren't fully mapped.
Social ecosystems: removing one connecting friend from a group sometimes collapses the group. They were holding more relationships together than anyone realised.
Ecosystems is one of the mental models we apply through real cases inside the Pareto MBA — a part-time program for professionals who want to think clearly about business.