nutrification
n.— «The main concern is a process known as nutrification, whereby water bodies such as lakes and estuaries receive excess nutrients from a variety of sources (primarily agriculture, aquaculture and sewage) setting off a cascade of environmental changes.» —“Where river meets the sea” by Kevin Teather Guardian (Charlottetown, Prince Edward Island, Canada) July 17, 2006. (source: Double-Tongued Dictionary)