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Resource Ecology and Ecosystem Modeling Program

Climate Impacts on Sawning Stock-recruitment Relationships from Multi- and Single-species Stock Assessment Models (Figs. 1 and 2)

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Figure 1. Recruitment estimates from the multi-species stock assessment model (black lines) and stock-recruitment regression model estimates for recruitment functions without zooplankton covariates (gray) and with zooplankton covariates (red).


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Figure 2. Projected spawning stock biomass for walleye pollock predicted from single (a) and multi-species (b) modes of MSM under various recruitment relationships and no harvest (“SSB unfished”; dashed line) or harvest that yields 40% of SSB on average during the last 5 years (2045-50) of the projection (B40%; solid line).



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