Research Document - 2013/007

Precautionary Approach Reference Points for Arctic Surfclams (Mactromeris polynyma)

By D. Roddick

Abstract

Reference points for the Arctic Surfclam (Mactromeris polynyma) stocks on Banquereau and Grand Bank are proposed.  The approach uses historic average recruitment and a Biomass per Recruit analysis to estimate B₀ and B_MSY. This is a relatively recent fishery and so biomass has never been reduced to low levels. With no contrast in biomass to fit models, the default Upper Stock and Lower Reference Points are used.

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