Example Sentences for desuetude. 1  The laws against heresy have fallen into desuetude in England, but while they lasted they were simply ferocious. 2  This fashion, Germans inform you, is falling into desuetude; but it falls slowly. 3  This custom was kept up until early in this century, when it fell into desuetude.
Eutrophication (Greek: eutrophia (from eu well + trephein nourish.); German: Eutrophie), or more precisely hypertrophication, is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.
Definition (by USGS). Eutrophication is a process whereby water bodies, such as lakes, estuaries, or slow-moving streams receive excess nutrients that stimulate excessive plant growth (algae, periphyton attached algae, and nuisance plants & weeds).rophic state. The level of eutrophication of a water body is expressed as a trophic state. The trophic state of a water body is derived from multiple parameters. Besides nutrient concentrations such as phosphorus and nitrogen, other parameters such as chlorophyll-a and secchi-depth are also used.