Marshlands are wetland areas that are characterized by the presence of water, either permanently or seasonally. They are typically dominated by herbaceous plants, such as grasses and reeds, and serve as important ecosystems for various species of wildlife. Marshlands can be found in both freshwater and saltwater environments and play a crucial role in filtering pollutants and providing habitat for birds, fish, and other animals. These ecosystems are vital for flood control, as they can absorb excess water during heavy rains. Additionally, marshlands contribute to carbon storage, helping to mitigate climate change. They are often found near rivers, lakes, and coastlines, making them essential for maintaining biodiversity and supporting local communities that rely on their resources, such as fishing and recreation.