Biodiversity monitoring is important because it provides a basis for evaluating the integrity of ecosystems, their responses to disturbances, and the success of actions taken to conserve or recover biodiversity.
Monitoring keeps us informed, helps us to maintain our health, and alerts us to future problems that may arise. Monitoring ecosystems is similar to monitoring human health. ... Ecosystem monitoring means measuring physical, chemical, and/or biological variables over time to provide information on ecosystem change.