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ABBORÖS fas 1: Odling av abborre i recirkulerande system i Östergötlands och Kalmars skärgårdar
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering (moved 20130630).
2008 (Swedish)Report (Other academic)
Abstract [sv]

Projekt ABBORÖS startade under hösten 2006. Syftet var att undersöka om det är möjligt att odla abborre i skärgården på ett sätt som klarar både miljömålen för verksamheter i Östersjön och de ekonomiska krav som ställs på en näringsverksamhet. Det nya med projektet är dels att abborre inte tidigare har odlats kommersiellt i Sverige och dels att odling av fisk i slutna system direkt i skärgårdshavet inte undersökts. Ytterligare en nyhet är att utnyttja kompetens hos yrkes-verksamma inom det kustnära fisket för utveckling av miljövänliga system för odling av fisk. AB-BORÖS är ett samarbete mellan institutionen för Mark- och vattenteknik vid KTH i Stockholm och åtta permanentboende i Östergötlands och Kalmars skärgårdar. Projektet som totalt omfattar en period av tre år är uppdelat i två faser. Den första fasen med en budget på 12 miljoner löpte från oktober 2006 till februari 2008. Den andra fasen löper från juni 2008 till juni 2010 med en budget på 22 miljoner. Under projektets gång sysselsätts ett 10-tal personer och på sikt förväntas projektet bidraga med 15-20 arbetstillfällen i skärgården. Under fas 1 av projektet har kunskap om odlingsteknik och yngelproduktion byggts upp med hjälp av ett nätverk av svenska och inter-nationella experter. Projektets deltagare har ökat sin kompetens och sin förmåga att samarbeta. De har också installerat en basstruktur för sex odlingsenheter och odlingsutrustning till 15 % av den tilltänkta storleken vid projektets slut. Detta innebär att de står väl rustade för att i fas 2 kun-na utföra försök i full skala. Efter första året finns ungefär 200 000 abborrar fördelade i de sex odlingsenheterna. De första abborrarna förväntas ha uppnått full storlek tre somrar efter kläck-ning, vilket innebär hösten 2008. För institutionen Mark- och vattenteknik och andra intresserade forskargrupperingar innebär engagemang i projektet att ett fältlaboratorium med teknisk personal finns tillgängligt för försök och forskning om fiskodling och miljöteknik.

Abstract [en]

The project ABBORÖS started in fall 2006. The aim was to study the possibility to farm perch in the archipelago in a way that meets both the requirements from the goals of environmental pro-tection for the Baltic Sea as well as the economical demands put upon a commercial business. The new questions addressed in this project are how perch can be farmed in Sweden and how to perform aquaculture in closed systems in the archipelago. New is also a systematic use of compe-tence of local fishermen to develop a sustainable aquaculture system. ABBORÖS is a joint ven-ture between the Royal Institute of Technology and eight fisherman families from the Swedish South East coast. The project is divided into two parts, the first with a budget of 1.3 million € started in October 2006 and finished in February 2008. The second part runs from June 2008 to June 2010 with a preliminary budget of 2.3 million €. During the project 10 people are having work opportunities and after the project the expectation is that 15-20 people will be engaged in this kind of aquaculture. The project will develop methods for how Perch can be cultivated in a recirculating systems in the archipelago, how much water that can be reused and how much of the nutrient loss that can be caught for alternative use compared to traditional net cage fish farm-ing. During the first year test systems with floating ponds constructed in fibre glass-armed PVC tarpaulin was built at different locations together with local fishermen, who were contracted as technicians. The fishermen joined together in the company Stannafisk AB with the ambitions to build eight ongrowing units with a yearly production capacity of 30 tons each and together con-struct a hatchery and a filleting plant. By farming perch the restaurants could be more evenly supplied during the year than by wild catch which gives mainly supply in springtime. This would create a possibility to make a living on a known product in a vanishing profession. By placing the ongrowing units in the vicinity of the families residential buildings, the energy and time used for transport can be kept to a minimum. The following years the systems will be operated at different conditions for optimization. The parameters addressed are fish density, cohort size, pond size, oxygen supply, sludge removal and ammonia removal. A final goal is to compare price and taste of cultured and wild caught Perch. Know-how of aquaculture techniques and juvenile production has been built with the help of a network of international experts during the first part of the pro-ject. The participants have increased their competence and their ability to cooperate. They have also installed a base structure for six farming units and built a capacity of fish production to 15 % of the proposed size at the end of the project. This implies that they are well prepared to make experiments in full scale during the second part of the project. After the first year approximately 200 000 perch are hold in the six units. The first fishes are expected to reach a market size of 400 grams three summers after hatching, which means in September 2008. For the Royal Institute of Technology and other interested research groups engagement in the project gives admission to a field laboratory with technicians for experiments and research on aquaculture and environmental technology.

Place, publisher, year, edition, pages
Stockholm: Mark- och vattenteknik , 2008. , 16 p.
Series
TRITA-LWR Report, ISSN 1650-8610 ; 3019
National Category
Fish and Aquacultural Science
Identifiers
URN: urn:nbn:se:kth:diva-4823ISBN: 978-91-7415-023-0 (print)OAI: oai:DiVA.org:kth-4823DiVA: diva2:14141
Available from: 2008-06-12 Created: 2008-06-12 Last updated: 2016-12-09

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