BLM's Assessment, Inventory & Monitoring (AIM) Project is implementing methods for key attributes of ecosystem sustainability and scalable sample design.
The core indicators and methods are outlined in this document:  BLM. 2010. Terrestrial Indicators and Measurements: Selection Process & Recommendations.
A DIMA Quick Start on how to use DIMA for the BLM AIM Strategy.

For additional information on the AIM project please see