Presentation on theme: "Problems Facing Louisiana Wetlands By: Bonnie, Jeremy, and Henry."— Presentation transcript:
Problems Facing Louisiana Wetlands By: Bonnie, Jeremy, and Henry
The Main Idea U.S. used to contain 221,000,000 acres of wetlands. In a century it has dropped to 103,000,000. That is 119,000,000 acres of wetland we have lost.
Natural Causes SubsidenceSubsidence Wave erosionWave erosion Saltwater intrusion- When saltwater runs into a fresh waterSaltwater intrusion- When saltwater runs into a fresh water Sea level riseSea level rise Tropical storms and hurricanesTropical storms and hurricanes Erosion of barrier islandsErosion of barrier islands
Human Causes The growing populationThe growing population Increase in agricultureIncrease in agriculture Draining for more landDraining for more land Building canals, levees, and dam structureBuilding canals, levees, and dam structure Oil infrastructureOil infrastructure Fisheries and seafoodFisheries and seafood