sanitary fish

sanitary fish
herbivorous fish introduced into an aquaculture pond to limit growth of plants

Dictionary of ichthyology. 2009.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Sanitary sewer overflow — (SSO) is a condition whereby untreated sewage is discharged into the environment prior to reaching treatment facilities thereby escaping wastewater treatment. When caused by rainfall it is also known as wet weather overflow. It is primarily… …   Wikipedia

  • Chicago Sanitary and Ship Canal — (at the time named the Chicago Drainage Canal) being built …   Wikipedia

  • Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …   Catholic encyclopedia

  • Pike Place Market — Pike Place Public Market Historic District U.S. National Register of Historic Places U.S. Historic district …   Wikipedia

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • Kitchen knife — A kitchen knife is any knife that is intended to be used in food preparation. While much of this work can be accomplished with a few general purpose knives – notably a large chef s knife, a tough cleaver, and a small paring knife – there are also …   Wikipedia

  • Chicago River — River Chicago River main branch at dusk in January 2008 (viewed looking east from Wolf Point) …   Wikipedia

  • Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …   Wikipedia

  • Onondaga Lake — Location Onondaga County, New York, USA Coordinates …   Wikipedia

  • Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”