Science Advisory Report 2021/044
An Assessment of Sea Scallop on the St. Pierre Bank (Subdivision 3Ps)
Summary
- Landings since 2016 have averaged 720 t, round in the North bed, and averaged 90 t, meat weight in the Middle and South beds.
- Based on a research vessel survey in September 2019 the minimum dredgeable biomass (MDB) index is 12,725 t, round. This point estimate is associated with high variability and a subsequent high level of uncertainty.
- Based on survey data (scallops >60 mm) the meat counts in the North bed were 34 meats/500g and 17 meats/500 g in the Middle and South beds.
- The abundance in the North bed is currently dominated by a modal group of scallops 75 mm, while in the South and Middle beds the modal group is 120 mm and 130 mm respectively.
- Overall the natural mortality index for Sea Scallop has decreased from a survey time series high of 0.13 in 2015 to 0.02 in 2019, similar to levels observed from 2003 to 2006.
- The abundance of small scallop in the North bed indicate favourable prospects for the fishery in the near future.
This Science Advisory Report is from the Regional Peer Review Process held February 25, 2020 on the Assessment of Sea Scallop on the St. Pierre Bank (Subdivision 3Ps). Additional publications from this meeting will be posted on the Fisheries and Oceans Canada (DFO) Science Advisory Schedule as they become available.
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