a marshy grassland or wetland — a waterlogged area with distinctive plant and animal life (equivalent to 'wetland').
釧路湿原は日本で有名な湿原の一つだ。
The Kushiro Wetlands is one of Japan's well-known wetlands.
湿原の保護は希少な生物を守るために重要だ。
Protecting wetlands is important for preserving rare species.
早朝、湿原を散策すると多くの野鳥に出会える。
If you walk around the wetlands early in the morning, you can see many wild birds.