What is another word for rich fen?
Pronunciation: [ɹˈɪt͡ʃ fˈɛn] (IPA) 
A rich fen is a particular type of wetland habitat found in northern Europe. The term "rich fen" refers to the nutrient-rich soils that support a diverse range of plants and animals. Synonyms for rich fen might include terms like "nutrient-rich wetland," "bog," "mire," or "swamp." These habitats are characterized by high levels of organic matter and unique micro-climates that support a wide range of biodiversity. Some other terms that might be associated with rich fen ecosystems include "peatlands," "acid bogs," and "fen meadows." Each of these terms describes a slightly different type of wetland habitat, but they all share some common characteristics with the rich fen ecosystem.
