Natural Resource Managment (NRM) is a Complex Adaptive System (CAS) requiring Adaptive Management to be sustainable. The NRSUM model (above) is adapted from the NECSI-CAS model, which incorporates all ecosystem inputs, (energy, matter, information), regulation, adaptation, feedback loops and so on. At its core, however, is a HIERARCHY. A hierarchical structure is essential in NRM as it dovetails with both the organizational structures of demand as well as the regulatory mechanisms of supply. The NRSUM model is based upon the premise that sustainability requires balance between the demands of human activities (from the top-down), and the resources which ecosystems are able to provide (from the bottom-up).
See images below.
Additional information forthcoming.
To view the original NECSI CAS model, click HERE.