The delta is part of a larger, geologic region, supports a variety of wildlife. Flows reestablished an active floodplain revegetated many areas. Government designated portions of the upper Gulf in 1974. Ramsar Wetlands are wetlands of international importance. Designation is considered following a nomination by the nation. Support is provided by the National Science Foundation. El apoyo financiero es National Science Foundation.
Region, Part of a larger, geologic region