total biomass of fish in water body

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• Fish farming — Intensive koi aquaculture facility in Israel Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. A facility… …   Wikipedia

• Water resources management in Uruguay — Source : WHO/UNICEF Joint Monitoring Programme ( [http://www.wssinfo.org/en/welcome.html JMP] /2006). Data for [http://www.wssinfo.org/pdf/country/URY wat.pdf water] and [http://www.wssinfo.org/pdf/country/URY san.pdf sanitation] based on the WHO …   Wikipedia

• Pelagic fish — A school of large pelagic predator fish (giant trevally) sizing up a school of small pelagic prey fish (anchovies) Pelagic fish live near the surface or in the water column of coastal, ocean and lake waters, but not on the bottom of the sea or… …   Wikipedia

• Demersal fish — Bluespotted ribbontail ray resting on the seafloor Demersal fish live on or near the bottom of the sea or lakes.[1] They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks …   Wikipedia

• Coastal fish — Schooling threadfin, a coastal species Coastal fish, also called offshore fish or neritic fish, are fish that inhabit the sea between the shoreline and the edge of the continental shelf. Since the continental shelf is usually less than 200 metres …   Wikipedia

• inland water ecosystem — ▪ biology Introduction       complex of living organisms in free water on continental landmasses.       Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …   Universalium

• Diversity of fish — Fish come in many shapes and sizes. This is a sea dragon, a close relative of the seahorse. They are camouflaged to look like floating seaweed.[1][2][3] …   Wikipedia

• Mercury in fish — Fish and shellfish concentrate mercury in their bodies, often in the form of methylmercury, a highly toxic organic compound of mercury. Fish products have been shown to contain varying amounts of heavy metals, particularly mercury and fat soluble …   Wikipedia

• Upper Colorado River Endangered Fish Recovery Program — The Upper Colorado River Endangered Fish Recovery Program is a multi agency partnership to recover endangered fish in the upper Colorado River basin while water development proceeds in compliance with state and federal law (e.g., state water law …   Wikipedia

• Trophic state index — The quantities of nitrogen, phosphorus, and other biologically useful nutrients are the primary determinants of a body of water s trophic state index (TSI). Nutrients such as nitrogen and phosphorus tend to be limiting resources in standing water …   Wikipedia

• Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …   Wikipedia