2009 Annual Report 1a.Objectives (from AD-416) Assess the processes of rill and ephemeral gully development, their evolution, and their effects on soil loss, soil degradation, and agricultural resources and productivity across a range of temporal and spatial scales and management practices. Gully erosion represents an important, if not the dominant, sediment source within watersheds in the U.S. and worldwide. 3.Progress Report Progress concluded with the 2008 Annual Report, but was not terminated because of financial management reasons. See 2008 Annual Report for last reported progress.