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2. Recirculating aquaculture system - Wikipedia

   en.wikipedia.org/wiki/Recirculating_aquaculture...

   Outbreaks can be reduced by operating multiple independent systems with the same building and isolating water to water contact between systems by cleaning equipment and personnel that move between systems. [15] Also the use of an Ultraviolet (UV) or ozone water treatment system reduces the number of free floating virus and bacteria in the ...

3. Fresh water - Wikipedia

   en.wikipedia.org/wiki/Fresh_water

   Fresh water is the water resource that is of the most and immediate use to humans. Fresh water is not always potable water, that is, water safe to drink by humans. Much of the earth's fresh water (on the surface and groundwater) is to a substantial degree unsuitable for human consumption without treatment.

4. Aquaculture - Wikipedia

   en.wikipedia.org/wiki/Aquaculture

   The global annual production of freshwater prawns (excluding crayfish and crabs) in 2007 was about 460,000 tonnes, exceeding 1.86 billion dollars. [47] Additionally, China produced about 370,000 tonnes of Chinese river crab. [48] In addition astaciculture is the freshwater farming of crayfish (mostly in the US, Australia, and Europe). [49]

5. Freshwater ecosystem - Wikipedia

   en.wikipedia.org/wiki/Freshwater_ecosystem

   Climate change is increasing the average temperature of water bodies, and worsening other issues such as changes in substrate composition, oxygen concentration, and other system changes that have ripple effects on the biology of the system. [8] Water temperatures have already increased by around 1 °C, and significant declines in ice coverage ...

6. New York City water supply system - Wikipedia

   en.wikipedia.org/wiki/New_York_City_water_supply...

   It includes three bureaus in charge of, respectively, the upstate water supply system, New York City's water and sewer operations, and wastewater treatment: The Bureau of Water Supply manages, operates, and protects New York City's upstate water supply system to ensure the delivery of a sufficient quantity of high quality drinking water. The ...

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