👉 Wetlands are areas that are either entirely or partially covered with water. They include both freshwater and marine environments, such as lakes, rivers, estuaries, swamps, and wetlands of various types like mangroves, salt marshes, and coastal dunes. Wetland habitats provide important ecological services, including sequestering carbon dioxide and regulating the flow of nutrients in aquatic ecosystems. Wetlands can be found across the globe, from tropical rainforests to arid des