Standards for the conservation, development, and utilization of natural resources, including underground and surface waters, vegetation and soils, streams, and fish and wildlife resources. Such standards shall include where applicable, procedures for flood control, for prevention and control of pollution of rivers, and other waters, regulation of land use in stream channels and other areas which may have a significant effect on fish, wildlife and other natural resources of the area, the prevention, control and correction of soil erosion caused by subdivision roads or any other sources, and the protection of watershed areas.