Search results
Results From The WOW.Com Content Network
Mariculture, sometimes called marine farming or marine aquaculture, [1] is a branch of aquaculture involving the cultivation of marine organisms for food and other animal products, in seawater. Subsets of it include ( offshore mariculture ), fish farms built on littoral waters ( inshore mariculture ), or in artificial tanks , ponds or raceways ...
Aquaculture involves cultivating freshwater, brackish water, and saltwater populations under controlled or semi-natural conditions and can be contrasted with commercial fishing, which is the harvesting of wild fish. [2] Aquaculture is also a practice used for restoring and rehabilitating marine and freshwater ecosystems.
Extensive aquaculture is the other form of fish farming. Extensive aquaculture is more basic than intensive aquaculture in that less effort is put into the husbandry of the fish. Extensive aquaculture is done in the ocean, natural and man-made lakes, bays, rivers, and Fiords.
The implications of transmitting pathogens between such farmed species and wild species "remains a large and unanswered question". [27] Spreading of pathogens between fish stocks is a major issue in disease control. [27] Static offshore cages may help minimize direct spreading, as there may be greater distances between aquaculture production areas.
Area 1: Panhandle/High Plains Wildlife District [1] [2] includes five WMAs; Area 2: Prairies and Lakes [3] Area 3: Pineywoods [4] Area 4: Gulf Coast [5] Area 5: South Texas Plains [6] Area 6: Hill Country [7] Area 7: Big Bend Country [8] There is some confusion as there are also listed eight Wildlife Management Areas [9] that roughly coincide ...
Urban aquaculture is aquaculture of fish, shellfish, and marine plants in rivers, ponds, lakes, canals located within an urban environment. [ 1 ] [ 2 ] Urban aquaculture systems can be associated with a multitude of different production locations, species used, environment , and production intensity.
Brackish water – water that has more salinity than fresh water, but not as much as seawater. It may result from mixing seawater with fresh water, as in estuaries. Breach – a whale's leap out of the water. Breaker zone – the zone where ocean surface waves approaching the shore commence breaking, typically in water depths between five and ...
There are large differences in the concentrations of phosphorus, potassium, and magnesium between freshwater and saltwater aquaponics. Potassium and magnesium are major elements in saltwater. Phosphorus is excreted by fish. Its concentration is relatively low in freshwater conditions but high in saltwater. [6]