Numerous different fish species have been reported to be produced in commercial aquaponics in Europe. per m2 of growth area], Polyethylene greenhouse with heating and lights ($ 78,770). Karimanzira D, Keesman KJ, Kloas W, Baganz D, Rauschenbach T (2016) Dynamic modeling of the INAPRO aquaponic system. The switch by the Berlin-based aquaponics producer ECF from a wide spectrum of the aforementioned plant species in their start-up phase to a basil monocrop that is being marketed through the German retailer REWE reflects this situation. Ponika, Slovenia, Matej Leskovec (site visit made on 23 March 2016). There is no exploitable automation and rationalisation potential because of the extremely small aquaculture sizes and the small hydroculture sizes resulting in prohibitively high labour costs. Staple foods can theoretically be produced in CES under glass using hydroculture as demonstrated in NASA research (Mackowiak et al. 11th Asian Fisheries and Aquaculture Forum, Bangkok, 2016-8-6/2016-8-6, 10 Dec 2018. Branding as “Rosébarsch” at the beginning of sales. It falls into the category of “shipping-container farms” which are cropping up all over Europe, I’ve even found a map to see the various projects. Australia/heat) or difficult to transport to the customers (Islands) and generally have a much higher contribution margin than in locations such as Europe and Northern America. Seasonal market price variations for produce and fruit with higher global market volumes like tomatoes and strawberries are usually much more pronounced, enticing producers to put effort into season extension at both ends. (2017a, b) on the basis of non-representative samples in Germany. Ivo Haenen from Uit je Eigen Stad, Rotterdam, and Ragnheidur Thorarinsdottir from Samraekt Laugarmyri, Iceland, talked about this effect in their interviews. UrbanFarmers, Den Hague, offered paid visits to the facility as well as an event location. Finally, approximately one third (27%) were organisations that sold only aquaponics-related materials or services and no produce. 1 and 8 of this manuscript), which can lead to aquaponics having lower outputs compared to hydroponics. In: Proceedings of the international multiconference of engineers and computer scientists, 13 Dec 2018. It provides many benefits over conventional farming, as it is both more efficient and effective. The Slovenian company Ponika set out to sell fresh-cut herbs in their 400m2-sized system since providing niche products in the Slovenian market with no other local producer of fresh-cut herbs. The advantages in warm locations are the lower costs of heating and the seasonally even availability of daylight, thus allowing for potentially low-cost systems to economically survive. Results from Rostock show (Palm et al. In an economic assessment, higher output levels can only be compared meaningfully if there is a clear reference to the input levels required to achieve this output. Uit Je Eigen Stad, Netherlands: Ivo Haenen. Pitman Longman Group, London. Goddek S, Delaide B, Mankasingh U, Ragnarsdottir K, Jijakli H, Thorarinsdottir R (2015) Challenges of sustainable and commercial aquaponics. As with the horticulture side of aquaponics, similarly the aquaculture part of aquaponics faces high technical risks, such as the death of the fish due to electricity outages, as reported by both Ponika from Slovenia and NerBreen in Spain. Whilst Goddek et al. (2017a), first hints on the effect of information on the acceptance process are available. The main reasons for the Slovenian-based company Ponika to stop their operation were the combination of high risks accruing from the labour needed to cut, screen and package the produce combined with the average gained price of 8 EUR / kg of fresh-cut herbs (packaged in 100 g bundles) not providing enough of an economic return to cover the extra workload. An owner of a building will always seek revenue for the space they offer, even the utilisation of vacant rooftops. Savidov and Brooks 2004; Graber and Junge, 2009). This asks for more research explicitly addressing gender aspects. The case study project is directly linked to a national grocery chain for distribution within local markets. 24). (1997) concluded that, at least in the case of Virgin Islands, aquaponic farms can be profitable. The more the customers were familiar with the method, the more likely they were willing to buy aquaponics products. We name such claims here as “aquaponics economic myths” that have been a typical part of the early internet-fuelled hype on commercial aquaponics. Graber A, Junge R (2009) Aquaponic Systems: Nutrient recycling from fish wastewater by vegetable production. These “myths” are continually circulating online amongst non-experienced aquaponic enthusiasts, fuelled by hope for both high returns and a path towards more sustainable future food production. One further assumption was made regarding the separation of jobs: The employees work on both parts of the sytem, the aquaculture and the hydroculture parts, in accordance to the work that is needed by the respective system. The same will presumably apply to aquaponics-grown products. Authors Maja Turnšek and Rolf Morgenstern have equally contributed to this chapter. These additional elements, however, increase both the costs of investment and the operational costs, often being too expensive to be economically viable (depending of course on the location, type of crops and especially the price of crops). Another economically important advantage of aquaponics provided in the report was that “aquaponics is an adaptable process that allows for a diversification of income streams. 2016; Körner et al. The perceived knowledge relates to how much the customer knows about the production method. Additionally, the retail chains made weekly orders thus not allowing for appropriate planning, and in some cases, the excess that was not sold had to be collected by the farmer, and this discarded produce was expected to be deducted from the overall order even though the over-ordering was on the side of the retailer.

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