Waste loadings from a freshwater Atlantic salmon farm in Scotland

L. A. Kelly, J. Stellwagen, A. Bergheim

    Research output: Contribution to journalArticle

    Abstract

    Recent studies suggest that waste generation from the freshwater phase of Atlantic salmon (Salmo solar L.) production varies considerably on an annual basis. A fish farm on the West Coast of Scotland was visited regularly during a two-year period to determine inflow and outflow water quality. Waste output budgets of suspended solids (SS), biochemical oxygen demand (BOD), total nitrogen (TN), total phosphorus (TP), total ammonia nitrogen (TAN = NH3+NH4+), dissolved reactive phosphorus (DRP) and total phosphorus (TP) were produced. The annual waste loadings obtained were 71 kg TN t fish-1 yr-1 (one year of data only), 10.911.1 kg TP t fish-1 yr-, 1.2-2.1 kg DRP t fish-1 yr-1, 422-405 kg BOD5 t fish-1 yr-1, 327-337 kg SS t fish-1 yr-1, and 30-35 kg TAN-N t fish-1 yr-1. Simple linear regression models relating waste parameter production to water temperature and feeding regime were developed. When compared to existing data for other salmonid production systems, greater ranges of daily waste loadings were observed. Wide variations in concentrations of these parameters during a daily cycle were also observed, suggesting that mass balance estimates of waste production will provide more robust estimates of waste output than frequent monitoring of outflow water quality.

    Original languageEnglish
    Pages (from-to)1017-1025
    Number of pages9
    JournalWater Resources Bulletin
    Volume32
    Issue number5
    Publication statusPublished - Oct 1996

    Fingerprint

    farm
    fish
    phosphorus
    nitrogen
    outflow
    water quality
    salmonid
    biochemical oxygen demand
    production system
    mass balance
    inflow
    water temperature
    ammonia
    coast
    monitoring
    parameter

    Keywords

    • aquaculture
    • salmonid production
    • water quality

    Cite this

    Kelly, L. A., Stellwagen, J., & Bergheim, A. (1996). Waste loadings from a freshwater Atlantic salmon farm in Scotland. Water Resources Bulletin, 32(5), 1017-1025.
    Kelly, L. A. ; Stellwagen, J. ; Bergheim, A. / Waste loadings from a freshwater Atlantic salmon farm in Scotland. In: Water Resources Bulletin. 1996 ; Vol. 32, No. 5. pp. 1017-1025.
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    Kelly, LA, Stellwagen, J & Bergheim, A 1996, 'Waste loadings from a freshwater Atlantic salmon farm in Scotland', Water Resources Bulletin, vol. 32, no. 5, pp. 1017-1025.

    Waste loadings from a freshwater Atlantic salmon farm in Scotland. / Kelly, L. A.; Stellwagen, J.; Bergheim, A.

    In: Water Resources Bulletin, Vol. 32, No. 5, 10.1996, p. 1017-1025.

    Research output: Contribution to journalArticle

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    Kelly LA, Stellwagen J, Bergheim A. Waste loadings from a freshwater Atlantic salmon farm in Scotland. Water Resources Bulletin. 1996 Oct;32(5):1017-1025.