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mesotrophicmesotroph (ger.)
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Esp. of a lake or wetland: moderately rich in dissolved nutrients. (OED)
- 1907
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Da sich nun der größere oder geringere Reichtum von Nährstoffen [...] auch in den vertorfenden Resten der betreffenden Pflanzenvereine widerspiegelt, so erklärt es sich, daß [...] immer von unten nach oben nährstoffreichere (eutrophe), dann mittelreiche (mesotrophe) und zuletzt nährstoffarme (oligotrophe) Torfschichten folgen, ja unter normalen Verhältnissen folgen müssen.
Weber, C.A. (1907). Aufbau und Vegetation der Moore Norddeutschlands. Bot. Jahrb. 40, Beibl. 90, 19-34: 26f.
- 1911
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He [scil. Weber] also distinguishes intermediate stages of formation of the ‘mesotrophic peat’ as the characteristic vegetation of the ‘Uebergangsmoore’—transition moors—of various authors.
Tansley, A.G. (1911). Types of British Vegetation: 212.
- 1982
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mesotrophic1: Having intermediate levels of primary productivity; pertaining to waters having intermediate levels of the minerals required by green plants; cf.dystrophic, eutrophic, oligotrophic. 2: Sometimes used of organisms that are incompletely autotrophic; mesotrophy, mesotropic.
Lincoln, R.J., Boxshall, G.A. & Clark, P.F. (1982). A Dictionary of Ecology, Evolution and Systematics: 152.
- 1982
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mesotrophic1: Having intermediate levels of primary productivity; pertaining to waters having intermediate levels of the minerals required by green plants; cf.dystrophic, eutrophic, oligotrophic. 2: Sometimes used of organisms that are incompletely autotrophic; mesotrophy, mesotropic.
Lincoln, R.J., Boxshall, G.A. & Clark, P.F. (1982). A Dictionary of Ecology, Evolution and Systematics: 152.