A modular erosion and sediment control barrier. The linear modular erosion and sediment control barrier is constructed of fiber logs joined end-to-end. Each fiber log is made of a quantity of loose fibers retained in a tubular casing by a plug. The tubular casing includes an extended section which is peeled back and folds over the end of the coupler fiber log during storage and transportation. When deployed, the extended section is unfolded to receive the end of an adjacent fiber log. The two fiber logs are secured together by a cord and hooks.