Periphyton-based aquaculture utilizes the waste stream from other farming activities to feed periphyton, which in turn feed certain species/varieties of fish and crustaceans, as well as other things fish like to eat. How difficult would it be to integrate periphyton-based aquaculture into aquaponics? Are there too many variables to balance?
I regret that while there was a time in my life that I wanted to live in BC, and had even been accepted to attend UBC (the Expo killed that opportunity), I do not live, nor have I ever lived, anywhere in BC or the PNW.
The system I refer to is hypothetical, hence the question mark. I have yet to find evidence of anyone having tried, let alone successfully, integrating the two systems, periphyton-based aquaculture and aquaponics.
Most periphyton-based aquaculture is practiced in the tropics, but the concept has been successfully applied, outdoors, in cold temperate climates.
I think that the greatest complication would be in balancing the the nitrate/ammonia levels.
If you were feeding a year-round greenhouse operation, you would want to have ponds indoors as well, unless you had access to hot springs.
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