Organic sea Standard

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Impact on environment

Production of farmed fish can potentially have severe impact on natural fish stocks and the environment in general. Genetic and ecological pollution by escapes can be a serious issue. And use of medicines and chemicals in pens at sea and open production systems, will cause serious impact on the environment.

Effluents of nutrients can have important influence on the environment, if production takes place in or with effluents to inland water ways or to enclosed seas. Where as efflunts to open sea areas will be a natural cycle of nutrients, which does not potentially cause any negative impact on the environment. The Organic Sea standard aims to balance these elements in a sensible way, to favour production which does secure protection of natutal fish stock and marine life, and where the release of nutrients per ton fish production, is balanced with the nature of the recipient. 

 

Bio-security / protection the local natural fish stocks.

Genetic pollution of wild fish stocks, ecological impact by escaping fish, and pathogen pressure on wild fish form fish farms, is becoming an increasing issue with conventional fish farming.

To be certified "Organic Sea" fish producer, the production facility has to be secured so that fish /eggs of any size cannot escape from the facility. Further that any pathogen issues or parasite issue within the facility will not even potentially cause impact on wild fish stocks in recipient of discharge waters.

Then where the outlet from a production facility enters a freshwater or a seawater recipient, the following minimum barriers between fish tanks and recipient is required.:

    1) Between fish tanks and recipient, at least two times mechanical screening down to a maximum screen opening size of 50 micron.

    2) A final UV treatment of a dose of 40.000 MWS, on the entire outlet to the recipient, is mandatory after the last mechanical filtration down to 50 micron.

 

Effluents to recipient:

 

Effluent to public or private sewage plant, or to drying bed

Individual evaluation, verification required, that the effluent will not cause impact on freshwater reservoirs, or the outlet eventually will meet the demands valid for effluent to inland waterways.

 

Effluent to inland water ways

(Lakes, ponds, rivers, streams)

 

Fresh Water consumption m3/kg fish produced 600 m3

 

BOD, Kg per ton of fish produced : 6 kg

 

Ammonia Nitrogen, NH3/NH4 kg(N), per ton of fish produced : 2 kg

 

Total Nitrogen, kg (N)/ton of fish produced : 6 kg

 

Total Phosphorous Kg P/ton of fish produced : 0,5 kg

 

Max salinity in outlets, NaCl : 8 gr/l. 7

 

Effluent to enclosed sea area

(Fjords/locks, enclosed seas where connection to one of the principal open oceans*, is limited by passages of less than 25 nautical miles.

 

Fresh Water consumption m3/kg fish produced 600 m3

(No limitation on use of seawater)

 

BOD, Kg per ton of fish produced : 6 kg

 

Ammonia Nitrogen, NH3/NH4 kg(N), per ton of fish produced : 3 kg

 

Total Nitrogen, kg (N)/ton of fish produced : 10 kg

 

Total Phosphorous Kg P/ton of fish produced : 2 kg

 

Effluent to semi enclosed sea

(Semi enclosed seas where connection to one of the principal open oceans*, is limited by a passage of less than 100 nautical miles.)

 

Fresh Water consumption m3/kg fish produced 600 m3

(No limitation on use of seawater)

 

BOD, Kg per ton of fish produced : 30 kg

 

Ammonia Nitrogen, NH3/NH4 kg(N), per ton of fish produced : 5 kg

 

Total Nitrogen, kg (N)/ton of fish produced : 25 kg

 

Total Phosphorous Kg P/ton of fish produced : 5 kg

 

Effluent to open sea

(Outlet to open see or semi-open sea, with connection to one of the principal ocean, with free passage of minimum 100 miles, at any point between the outlet point at the production facility and one of the principal oceans.)

 

Fresh Water consumption m3/kg fish produced 600 m3

(No limitation on use of seawater)

 

BOD, Kg per ton of fish produced : 100 kg

 

Ammonia Nitrogen, NH3/NH4 kg(N), per ton of fish produced : 10 kg

 

Total Nitrogen, kg (N)/ton of fish produced : 40 kg

Total Phosphorous Kg P/ton of fish produced : 5 kg