Canary rockfish (Sebastes pinniger) COSEWIC assessment and status report: chapter 4
Lists of figures, tables, and appendices
List of figures
- Figure 1: Spatial distribution of catches of canary rockfish in B.C. as recorded in commercial trawl observer logbooks (1996-2004)
- Figure 2: Global distribution of canary rockfish
- Figure 3: Histogram of the frequency of occurrence of canary rockfish in commercial tows by depth-of-capture as recorded in observer logbooks from the British Columbia commercial trawl fleet
- Figure 4: Canary rockfish habitat in British Columbia
- Figure 5: Histogram of canary rockfish ages (cutoff at 80y): (a) Females from Area 3C+3D; (b) Males from Area 3C+3D; (c) Females from Area 5A+5B; (d) Males from Area 5A+5B
- Figure 6: Proportions-at-age by year for (A) female and (B) male canary rockfish from Area 3C+3D
- Figure 7: Proportions-at-age by year for (A) female and (B) male canary rockfish from Area 5A+5B
- Figure 8: Proportions-at-age by year for (A) female and (B) male canary rockfish from Area 5E
- Figure 9: Age-at-maturity for (A) female and (B) male canary rockfish
- Figure 10: Total landings by year of canary rockfish in British Columbia waters
- Figure 11: Locations of trawl surveys that provide indices of canary rockfish abundance
- Figure 12: Set locations from the U.S. triennial survey conducted in 2001
- Figure 13: Three biomass estimates for canary rockfish in the INPFC Vancouver region (total region, Canadian waters only and U.S. waters only) with 95% bias corrected error bars estimated from 5000 bootstraps
- Figure 14: Biomass estimates for canary rockfish from the U.S. triennial survey grouped for the different zones
- Figure 15: Canary rockfish index from the west coast Vancouver Island shrimp survey, 1975 to 2006
- Figure 16: Proportion of tows with canary rockfish by year for the WCVI shrimp survey
- Figure 17: Two step function for the WCVI shrimp survey index, plotted relative to the mean of the survey series, weighted by the inverse of the CV2 for each survey
- Figure 18: Three step function for the WCVI shrimp survey index, plotted relative to the mean of the survey series, weighted by the inverse of the CV2 for each survey
- Figure 19: Four step function for the WCVI shrimp survey index, plotted relative to the mean of the survey series, weighted by the inverse of the CV2 for each survey
- Figure 20: Bootstrapped biomass estimates (t, bottom panel) and biomass + 95% confidence intervals (t, middle panel) for canary rockfish caught in the QCSd shrimp survey, 1999 to 2004
- Figure 21: Bootstrapped biomass estimates (100’s t, bottom panel) and biomass + 95% confidence intervals (100’s t, middle panel) for canary rockfish caught in the QCSd groundfish survey, 2003 to 2005
- Figure 22: Bootstrapped biomass estimates (t) (bottom panel) and estimates + 95% confidence intervals (t) (middle panel) for canary rockfish caught in the HS assemblage survey between 1984 and 2003
- Figure 23: Goose Island Gully depth strata and tow locations within those strata, from historic POP surveys
- Figure 24: Biomass estimates from the Goose Island Gully Pacific Ocean perch survey and the QCSd groundfish survey (1966-2005)
- Figure 25: Comparison of two sets of CPUE indices each based on different regression model assumptions for each of three areas
- Figure 26: The effect of shallow samples on canary rockfish proportions-at-age
- Figure 27: Trends in mean fork length for canary rockfish from (a) Area 3C+3D, (b) Area 5A+5B, and (c) Area 5E
- Figure 28: Mean age versus year for canary rockfish from (a) Area 3C+3D, (b) Area 5A+5B, and (c) Area 5E
- Figure 29: Relative biomass indices for canary rockfish from four longer term fishery independent surveys
- Figure 30: Relative indices for canary rockfish from shorter term commercial trawl data in Areas 3C+3D and 5A+5B and from two fishery independent surveys in QCSd
- Figure 31: Proportions of non-zero tows of canary rockfish in six fishery independent surveys
List of tables
List of appendices
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