Rougheye rockfish species types I and II COSEWIC assessment and status report: chapter 4

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List of Figures

• Figure 1: Rougheye Rockfish, Sebastes aleutianus, Ink and Photo
• Figure 2: Rougheye Rockfish Species Pair, Weight vs. Length Using a Lognormal Linear Model: LogW= logα + βlogL
• Figure 3: Locations of Rougheye Rockfishes Surveyed for Mitochondrial DNA and Microsatellite Variation
• Figure 4: North American Distribution of Rougheye Rockfish Species Pair
• Figure 5: Mean CPUE (kg/h) of Rougheye Rockfish Species Pair in 25 km² Grid Cells Along the BC Coast
• Figure 6: Histogram of Depth-of-capture for Rougheye Rockfish Species Pair as Reported in Commercial Trawl Log Books (1996-2005)
• Figure 7: Estimated Range and Distribution of Habitat of Rougheye Rockfish Species Pair in Canadian Waters, Based on Preferred Depth Distribution of 170 m to 657 m
• Figure 8: Boxplots of Length-at-age by Sex for Rougheye Rockfish Species Pair
• Figure 9: Length-at-age Relationship for Rougheye Rockfish Species Pair Fitted Using Von Bertalanffy Growth Equation: ...
• Figure 10: Bubble Plot Representing Observed Age Proportions in Various Years for Rougheye Rockfish Species Pair in PMFC 5E (WQCI)
• Figure 11: Catch-curve Analysis to Estimate Total Mortality for 1997 Survey Data, 1996 Commercial Data, and 2003 Commercial Data
• Figure 12: Abundance of the top 20 Species in Trawl Tows (1996-2004) that Captured at Least One Rougheye Rockfish in the Preferred Depth Range
• Figure 13: Overview of Surveys Used as Abundance Indices for Rougheye Rockfishes
• Figure 14: Abundance Index from Trawl Survey for Rougheye Rockfish Species Pair in Queen Charlotte Sound
• Figure 15: Relative Abundance Index for Rougheye Rockfish Species Pair from Shrimp Trawl Surveys in Waters Off the WCVI and Queen Charlotte Sound
• Figure 16: Three Relative Biomass Indices for Rougheye Rockfish Species Pair from US National Marine Fisheries Service (NMFS) Triennial Groundfish Survey Off the West Coast of Vancouver Island (total region, Canadian waters only and US waters only) with 95% Bias Corrected Error Bars Estimated from 5000 Bootstraps
• Figure 17: Comparison of Two Sets of CPUE Indices Each Based on Different Regression Model Assumptions for Each of Three Areas

List of Tables

• Table 1: Bathymetric Determination of Total Available and Observed Occupied Areas by 100-m Depth Interval for Rougheye Rockfishes
• Table 2: Annual (fishing year) Catch (kept + discarded; tonnes) of Rougheye Rockfishes Coastwide by various BC Fisheries