Biology

eutrophication

Term: eutrophication

Literally meaning: ?well-nourished?

Origin: Anc Greek

+ ?????/trophe(=food, nourishment ) > ?????/drepo(=gather)

??-/ eu-(=prefix meaning "well?, ?good?, ?easy?, ?right?)

Coined/History

In 1919 Swedish limnologist Einar Christian Leonard Naumann (1891-1934) introduced into limnology the concepts of oligotrophy (nutrient poor) and eutrophy (nutrient rich).

Definition

Eutrophication is the process by which an aquatic ecosystem (body of water) is getting rich with inorganic plant nutrients (e.g. nitrate, phosphate) promoting algal blooms which use up all the oxygen in the water, leaving none for other aquatic organisms like fishes.

- Angiodystrophy
Term: angiodystrophyLiterally meaning: ?delay of growth due to vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)+???-/dys-(=prefix used with a negative sense meaning difficult, bad, abnormal, misfortune) > ???/dyo(=decline)...

- Autotroph
Term: autotrophLiterally meaning: feeded by myselfOrigin: Anc Greek?????/autos(=myself)?????/trophe(=food, nourishment )> ?????/drepo(=to gather)) Coined/History(?) Definition Autotroph is an organism that is able to produce its own food meaning its...

- Heterotroph
Term: heterotrophLiterally meaning: feeded by othersOrigin: Anc Greek??????/heteros(=different, other)?????/trophe(=food, nourishment )> ?????/drepo(=gather)) Coined/History(?) Definition Eterotroph is an organism that is unable to produce its own...

- Hypertrophy
Term: hypertrophy Origin: Anc Greek ????/hyper(=prefix meaning something is excessive, above normal, over) + ?????/trophe(=nourishment) >?????/drepo(=gather) Definition: The enlargement or overgrowth of an organ or tissue due...

- 7. Ecosystem
Click here for PDFAn ecosystem is a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment. Types of ecosystems· Terrestrial ecosystem: Forest, grassland, desert etc· ...

Biology