mesotrophic
/ˌmɛsə(ʊ)ˈtrɒfɪk/ /ˌmɛsə(ʊ)ˈtrəʊfɪk/Ecology
adjective
Especially of a lake or wetland: moderately rich in dissolved nutrients.
Origin
Early 20th century; earliest use found in Arthur George Tansley (1871–1955), plant ecologist. From meso- + -trophic, after German mesotroph.