Floodplains are areas of low-lying ground adjacent to rivers, lakes or oceans that are subject to periodic flooding. Alternate terms that describe this type of terrain include flood-prone areas, alluvial plains, flood basins, floodways, and inundation zones. These synonyms for floodplain are often used interchangeably and refer to the same geological feature which is created by the natural process of river sedimentation over many years. While floodplains are typically associated with potential flood hazards, they also serve an important role in supporting diverse ecosystems and wildlife, providing valuable natural resources for the local economy, and enhancing recreational activities such as fishing, boating, and water sports.