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.
Lesson Summary. Eutrophication occurs when an aquatic system has an overabundance of nutrients. It is most often caused by human activity like farming, maintaining golf courses and other activities that can lead to fertilizer run off.esson Summary. Eutrophication occurs when an aquatic system has an overabundance of nutrients. It is most often caused by human activity like farming, maintaining golf courses and other activities that can lead to fertilizer run off.