What is Wetland? A wetland is an ecosystem in which the land surface is saturated or is covered with standing water for a part of the year. In other words, a wetland is an area of land which is permanently or periodically saturated with water and exists as a distinct ecosystem. Wetlands play many roles in the environment, such as water purification, flood control, carbon sink, and shoreline stability. Wetlands can be freshwater, brackish, or saltwater. Examples of aquatic vegetation that thrive in wetlands are milkweed, bald cypress trees, mangroves, and cattails. Worldwide most extensive wetlands are in Arctic Tundra. … Continue reading Wetland- Types & Importance