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 Aquaponics as a sustainable solution

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PostSubject: Aquaponics as a sustainable solution   Sat May 01, 2010 10:04 am

Aquaponics
From Wikipedia, the free encyclopedia

Aquaponics (IPA: /ˈækwəˈpɒnɪks/) is the symbiotic cultivation of plants and aquatic animals in a recirculating environment.

Aquatic animal effluent (for example fish waste) accumulates in water as a by-product of keeping them in a closed system or tank (for example a recirculating aquaculture system). The effluent-rich water becomes high in plant nutrients but this is correspondingly toxic to the aquatic animal.

Plants are grown in a way (for example a hydroponic system) that enables them to utilize the nutrient-rich water. The plants take up the nutrients, reducing or eliminating the water's toxicity for the aquatic animal.

The water, now clean, is returned to the aquatic animal environment and the cycle continues. Aquaponic systems do not discharge or exchange water. The systems rely on the relationship between the aquatic animals and the plants to maintain the environment. Water is only added to replace water loss from absorption by the plants, evaporation into the air, or the removal of biomass from the system.

Aquaponic systems vary in size from small indoor units to large commercial units. They can use fresh or salt water depending on the type of aquatic animal and vegetation.
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PostSubject: Re: Aquaponics as a sustainable solution   Sat May 01, 2010 10:20 am

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From the fish tank the nutrient rich water is gravity fed to the pebble/gravel beds..... where they grow watercress...... and then pumped up top to the general plant growbeds ..... from where it falls back to the fish pond. The plants suck up the water as it passes underneath.... it is wicked up via coir ..... or could maybe use compost ...... that the plants are planted in.

I am curious as to how high water can be wicked up from the gravel beds which contain watercress .... into the growbeds and used to water the plants. They use a pump but I am wondering if this can be avoided.
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HeavenBound



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PostSubject: Re: Aquaponics as a sustainable solution   Sat May 01, 2010 11:39 am

Another good article

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Kim



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PostSubject: Re: Aquaponics as a sustainable solution   Tue May 11, 2010 9:15 am

Sounds complicated. Gvie me dirt anyday. Very Happy
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Allegra



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PostSubject: Re: Aquaponics as a sustainable solution   Tue May 25, 2010 6:10 pm

I like having fish. Fish and plants is even better.
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