Science Response 2012/035
DEPOMOD Predictions for an Aquaculture Site at Cheney Head, New Brunswick
Context
On 19 April 2012, Fisheries and Oceans Canada’s (DFO) Habitat Management Division (HMD), Maritimes Region, requested that DFO Science conduct runs of the organic deposition model DEPOMOD for a finfish aquaculture site at Cheney Head, near Grand Manan Island, New Brunswick. The request for science advice is in support of HMD’s review of a request for an increase in production at the existing marine finfish aquaculture. Specifically, HMD asked:
- When running DEPOMOD with resuspension off, what is the area of sensitivity for organic enrichment predicted for the proposed aquaculture site at Cheney Head based on a stocking level of 500,000 fish at the
- maximum daily feed rate?
- average daily feed rate?
- When running DEPOMOD with resuspension on, what is the area of sensitivity for organic enrichment predicted for the proposed aquaculture site at Cheney Head based on a stocking level of 500,000 fish at the
- maximum daily feed rate?
- average daily feed rate?
- At what daily feed rate would the deposition rate of 5 g C m-2 d-1 be exceeded at the site and what level of stocking would that support when running DEPOMOD with
- resuspension off?
- resuspension on?
- Using feed rates from the Cheney Head site during the time of Tier I monitoring in 2010 and 2011, how do DEPOMOD predictions compare to actual monitoring results when running the model with
- resuspension off?
- resuspension on?
DFO’s Science Special Response Process was used to respond to this request due to the short deadline for advice of June 15, 2012. This Science Response report was developed and reviewed through email correspondence. No review meeting was held.
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