Aquaponics
Aquaponics
Aquaponics (/ˌækwəˈpɒnɪks/) is a system that combines conventional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in tanks) with hydroponics (cultivating plants in water) in a symbiotic environment.
Etymology
The term "Aquaponics" is a portmanteau of the words aquaculture and hydroponics.
Overview
In normal aquaculture, excretions from the animals being raised can accumulate in the water, increasing toxicity. In an aquaponic system, water from an aquaculture system is fed to a hydroponic system where the by-products are broken down by nitrifying bacteria into nitrates and nitrites, which are utilized by the plants as nutrients. The water is then recirculated back to the aquaculture system.
Related Terms
- Aquaculture: The farming of fish, crustaceans, mollusks, aquatic plants, algae, and other organisms.
- Hydroponics: A method of growing plants without soil, using mineral nutrient solutions in a water solvent.
- Nitrifying bacteria: Microorganisms that play an essential role in the nitrogen cycle.
See Also
External links
- Medical encyclopedia article on Aquaponics
- Wikipedia's article - Aquaponics
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