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  • A barge tow on the Gulf Intracoastal Waterway in the ARB floodway.
  • The Old River Control Structure ensures that the ARB floodway provides essential flood control for the lower Mississippi River.
  • The ARB supports local, regional, national and global biodiversity by providing large blocks of forested wetland, marsh, and aquatic habitats that are important for many fisheries and wildlife species.
  • An example of a hydraulic dam where high water levels in the Atchafalaya River prevent low-oxygen black water from draining out of the swamp.
  • Forested floodplains in the ARB floodway, like this baldcypress forest, sequester nutrients, carbon, and pollutants in the soil and woody tree biomass.
  • Forested habitats in the ARB are important areas for birds. Populations of several species that are continentally or globally at risk are supported by the large expanse of forest.
  • The Atchafalaya River Basin is a popular recreational fishing destination, especially for largemouth bass, sunfishes and crappie.
  • Consumptive uses like hunting and fishing have traditionally been major uses of the ARB.
  • The red swamp crawfish (Procambarus clarkii) is enjoyed as a protein food source for people and a foundation of the Cajun culture.
  • The Atchafalaya River delta complex, composed of the Atchafalaya and Wax Lake deltas, is the only actively building delta complex in the Northern Gulf of Mexico.
  • The Atchafalaya River passing through a large expanse of bottomland hardwood forest in the ARB floodway.
Louisiana
The Atchafalaya River Basin

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