Commercial aquaculture has now integrated with hydroponics to create a budding new commercial industry.I,m seeking to curate fish species suitable that get along well with this vegetable/fruit growing systems.Aeroponics is yet another branch of this new farming technology.Clean green obviously ramifications for future feeding of the planets communities~
Murphy`s Law just when you think everything is under control something happens..A power out ! Always plan for contingencies to back up all systems power, water, oxygen as you have to drive a living system for both fish and vegetable matter no simple matter and keep their living parameters with in a safe range to maximize growth and health~This guy Paul I have immense respect for and still do not wish to cause or add to internal industry rivalry by advocating one proponent over another~ None the less by posting from a source regularly it may well be assumed some special preferences~
2.9.14 – Aquaponics pioneer raising freshwater lobster, year-round vegetables | The Star Press | http://thestarpress.com – Indiana man looking to market commercial scale aquaponics greenhouse system developed in his garage.
Charlie Dare's insight:
Yabbies in Australia a very tasty little fresh water critter.Many different varieties endemic to different regions
This is a 12-day intensive course delivered by six leading researchers in aquaculture, biomedical sciences and marine and environmental sciences. It is being held at the James Cook University, Townsville, Australia from 11-23 January 2016. The course fee is AUS$ 3000 which includes accommodation, breakfasts, lunches, all tuition, materials and transfers.
Commercial aquaponics production and profitability: Findings from an international survey: http://t.co/l3oNOi0UCo
Charlie Dare's insight:
This is the first peer-reviewed, published survey of commercial aquaponics operations, a niche field of aquaculture.
The photo is from Paul Van Der Werf recent success in the middle east~Chards seem best grown by one of the best~ Now under new management one wonders if with out his scientific specialized knowledge can it go on with that success.I had an idea that they changed species of fish to a more valuable one, Mullaway.I bet they keep that outcome a secret as they are very carnivorous, eating each other and needing constant grading.Expensive high protein diet. My experience with them with out netting tank they jumped out of the tank overnight>Also besides after 12 months marketing size they are not nick named Soapys from the wild at this stage for nothing, the flesh needs to be firmer and 18 months is of better eating quality.Relative of Nile Perch/ Sea Bass in SE Asia an estuarine species much sought after big ones~
July/August - 2005 Author: Wilson Lennard WILSON LENNARD outlines his research to develop a successful recirculating aquaponic system to produce Murray
Charlie Dare's insight:
Wilson Lennards findings~"
Our constant flow gravel bed system grows lettuce about 20% better than a reciprocal flow. Gravel beds and floating rafts are about 15-20% more efficient than NFT. My experiments have proven, within an aquaponic context, that NFT is less efficient at plant growth and nutrient stripping.
The last key finding is that we need to use a potassium and calcium-based buffer system. Fish farmers use sodium bicarbonate and similar basic salts to make sure the pH doesn’t drop. Fish systems are the opposite to hydroponic systems – as fish eat and metabolise feed, the water pH drops.
To counteract this pH drop, we use buffers to keep the pH up around 7. If we use potassium and calcium-based buffers, we can add the potassium and calcium to the system that the plants require for good growth.
KEY RESEARCH FINDINGS So I had better tell you of the key findings. Fish (we used Murray Cod) and plants (we used lettuce) can be grown in an integrated aquaponic system. If the correct balance is met between plants and fish, no nutrient build-up occurs in the system, and the plants get all the nutrients they need."
aquaponic-IOT device -- Balcony Garden BALCONY AQUAPONIC GARDEN - IOT READY- DIY or purchase materials locally and build -- by rik kretzinger With all the interest around the world in aquaponics ...
Charlie Dare's insight:
Quote from article~Not an indepth description but a useful guide ~
"Allows for expansion of sensor set and moving to solar back-up option in the futureUnit can be converted to off-grid applications easily – will require a different power configuration of components and equipment"
A scientist at Australia’s University of the Sunshine Coast (USC) is developing new ways to breed Queensland gropers in captivity, in order to establish a lucrative aquaculture industry and protect vulnerable wild stocks in South-East Asia.
He got 50 questions answered some but every Monday morning will have answers to individuals questions..Often he refers to their earlier videos on each topic so a good idea~ These guys sell towers and gear like others but run a good online educational heap of videos ~
The course is designed for professionals actively involved in water quality monitoring and management. They may be working e.g. for environmental agencies, consultants, as environmental or water management officers in local, regional or national governments, as staff of NGOs, or as junior university lecturers, and may not have the time to undertake a course that lasts several weeks abroad.
Upon completion, the participant should be able to:
understand and apply concepts of water quality and pollution processes in rivers and lakes;understand and apply the different steps of the monitoring cycle in rivers and lakes;understand the basic concepts of groundwater quality and monitoring;apply common statistical techniques for water quality data evaluation;design sound and sustainable freshwater quality monitoring and assessment programmes under specified conditions. Participants complete the course in a period of 4 months with a workload of 140 hours. A participant is expected to spend about 8 hours a week on average through reading, discussion and assignments. The course is sub-divided into 4 subjects and a written assignment. Within the course, each subject starts and ends on a specified day. Each subject takes 2-4 weeks. Within this period, the participant is free to study in his or her own time. Questions with regard to the subject can be posted on the discussion forum, eliciting responses from fellow participants. The teachers also regularly comment on the questions posted on this forum. Start: 01 September 2015 End: 08 January 2016 Deadline IHE application: 01 September 2015 - 23.59 (CET) Deadline NFP: 15 March 2015 - 23.59 (CET) Course fee: € 725
Another valuable course for those involved in growing fish as water quality is particularly important for growing species like Trout.Taste of fish also is a big factor between getting a decent price or ruining the reputation of a species for all those that taste/waste money on a off flavoured fish~ This happened at function at Sydney Fish Market giving away samples to visitors who deposited the free samples in the nearest bin, never to buy again.I not mention the species because more reputable growers purge their stock to rid the off flavour~
The most common off-flavour compounds found in cultivated fish are 2-Methylisoborneol (2-MIB) and geosmin (GSM), which are secondary a blue green algae~Rapidly taken up by gills of fish (hrs) but days of purging with a slight weight loss with out feed make them much more palatable.I,ve added salt to fresh water too as it acts as a prophylactic to help stressed fish from getting other fungal/disease problems~
"The course in a period of 4 months with a workload of 140 hours. A participant is expected to spend about 8 hours a week on average through reading, discussion and assignments. The course is sub-divided into 4 subjects and a written assignment."
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