Chris Grandin
Current research and/or projects
I have recently acquired the position of Hake stock assessment biologist. Prior to this position, I worked with the Inshore Rockfish section for 4 years. During that time, my focus was on video-based surveys and data. I had the enjoyable experience of submerging down to 300 meters into beautiful rockfish habitat on Nuytco’s Aquarius submersible and recording line-transect observations of rockfish with which density estimates could be calculated using program DISTANCE. I have applied such density estimates to habitat areas which were extracted from bathymetric multibeam maps using raster derivatives and nearest neighbour techniques developed by our team. I also had the amazing opportunity to become an ROV pilot and technician for the DFO-owned Phantom HD2+2. I have piloted for several rockfish surveys and analyzed the data afterwards, applying the same density estimation procedures I used for the Aquarius surveys.
Research and/or project statements
I have recently acquired the position of Hake stock assessment biologist. Prior to this position, I worked with the Inshore Rockfish section for 4 years. During that time, my focus was on video-based surveys and data. I had the enjoyable experience of submerging down to 300 meters into beautiful rockfish habitat on Nuytco?s Aquarius submersible and recording line-transect observations of rockfish with which density estimates could be calculated using program DISTANCE. I have applied such density estimates to habitat areas which were extracted from bathymetric multibeam maps using raster derivatives and nearest neighbour techniques developed by our team. I also had the amazing opportunity to become an ROV pilot and technician for the DFO-owned Phantom HD2+2. I have piloted for several rockfish surveys and analyzed the data afterwards, applying the same density estimation procedures I used for the Aquarius surveys.
Key publications
- Yamanaka, K.L., Lacko, L.C., Miller-Saunders, K., Grandin, C., Lochead, J. K., Martin, J.C., Olsen, N., and Wallace, S.S. 2006. A review of quillback rockfish Sebastes maliger along the Pacific coast of Canada: biology, distribution and abundance trends. Can. Sci. Adv. Sec. Res. Doc. 2006/077: 54 p
- Yamanaka, K.L., Lacko, L.C., Withler, R., Grandin, C., Lochead, J. K., Martin, J.C., Olsen, N., and Wallace, S.S. 2006. A review of yelloweye rockfish Sebastes ruberrimus along the Pacific coast of Canada: biology, distribution and abundance trends. Can. Sci. Adv. Sec. Res. Doc. 2006/076: 54 p.
- Yamanaka, K.L., Lacko, L.C., Lochead, J.K., Martin, J., Haigh, R., Grandin, C. and West K. 2004. Stock Assessment Framework For Inshore Rockfish. Canadian Science Advisory Secretariat Research Document 2004/068 63p.