An area of low-lying, waterlogged land such as a marsh, swamp, or wetland, often characterized by specific vegetation.

methane (CH4) produced by the anaerobic decomposition of organic matter, often found in marshes or produced in digesters

marsh, swamp, or everglade; low-lying land that is seasonally or permanently waterlogged

swamp; morass; quagmire

a pool or small body of standing water, often natural or semi-natural

the study of inland waters (limnology)

an area of low-lying, poorly drained land often saturated with water; wetlands or swampy terrain

oriental river prawn (Macrobrachium nipponense), a species of freshwater shrimp, also called the qingxia ([[青虾|青蝦|qing1 xia1]])

(bird species of China) striated grassbird (Megalurus palustris)

(bird species of China) marsh tit (Poecile palustris)