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Georges Bank multispp assessment project Goal: Harvest advice Goosefish Dogfish Winter Skate Herring Mackerel Winter Fl Haddock Yellowtail Fl Cod Silver Hake Predation Competition Slide credit: S. Gaichas 3

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Biomass of sp i Intrinsic growth Capacity of sp i Competition coeff. Capacity of system Biomass of sp j Predation coeff. Harvest of sp i 5 Biomass of pred p

Biomass of sp i Intrinsic growth Interaction coeff. Biomass of sp j Harvest of sp j Harvest of sp i 6 Process error

Traditional efforts Competition Predation 7 * * * * * NOAA bottom trawl survey

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