SERDP, ESTCP, and the Legacy Resource Management Program sponsored a workshop to (1) assess TER-S management needs within a regional context, with an emphasis on system-level and cross-boundary approaches; (2) assess these approaches for their potential to keep common species common while recovering or enhancing TER-S populations; (3) assess current understanding of the ecology of arid and semiarid ecosystems and how that does or should affect management approaches; (4) examine the current state of the practice within DoD for such holistic approaches; and (5) identify gaps in knowledge, technology, management, and partnerships that, if addressed, could improve implementation of such approaches.