Answer: Fishermen from a small village being shunned if they do not return small or young fish they catch to the lake. This prevents overfishing.
Explanation: Her work has determined the requirements for sustainable user-managed common resources, including (a) rules must clearly define entitlement to the resource, (b) adequate conflict resolution measures must exist, (c) an individual’s duty to maintain the resource must be in proportion to his or her benefits, (d) monitoring and sanctioning must be by users or accountable to users, (e) sanctions should be graduated—mild for a first violation and stricter as violations are repeated, (f) governance and decision processes must be democratic, and (g) self-organization is recognized by outside authorities.