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Nationwide assessment of the suitability of the Norwegian coastal zone and rivers for aquaculture (LENKA)
Ibrekk, H.O.; Kryvi, H.; Elvestad, S. (1992). Nationwide assessment of the suitability of the Norwegian coastal zone and rivers for aquaculture (LENKA), in: De Pauw, N. et al. (Ed.) Aquaculture and the Environment: reviews of the International Conference Aquaculture Europe '91, Dublin, Ireland, June 10-12, 1991. EAS Special Publication, 16: pp. 413-439
In: De Pauw, N.; Joyce, J. (Ed.) (1992). Aquaculture and the Environment: Reviews of the International Conference Aquaculture Europe '91, Dublin, Ireland, June 10-12, 1991. Special Publication European Aquaculture Society, 16. European Aquaculture Society: Gent. ISBN 90-71625-10-9. 536 pp., more
In: Special Publication European Aquaculture Society. European Aquaculture Society: Bredene. ISSN 0774-0689, more
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Document type: Conference paper
Keyword
    Marine/Coastal
Authors  Top 
  • Ibrekk, H.O.
  • Kryvi, H.
  • Elvestad, S.
Abstract
    A coastal zone management programme called LENKA (Nationwide Assessment of the Suitability of the Norwegian Coastal Zone and Rivers for Aquaculture} was started in 1987 and ended in the summer of 1990. The programme aims to develop an efficient and standardized tool for coastal zone planning. In the programme attention is given to all important existing utilization and judicial aspects connected to the Norwegian coastal waters. As part of the programme a methodology for assessing the suitability of marine areas for aquaculture has been developed. The marine areas holding capacity is determined by a developed model. The main steps in the development of the capacity assessment are as follows: I. An assessment of the maximum permissible organic loading of the water body of the marine areas. 2. An assessment of the space available for aquaculture development. This is attained by subtracting all unsuitable areas and all areas already occupied from the total area of the zone. The LENKA programme shows that 9% of the Norwegian coastal waters is suitable and available for aquaculture purposes using current techniques. The annual production of salmon and trout, which in 1990 was 161.000 tonnes, can be increased by approximately 600.000 tonnes without causing harm to the environment.
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