Seasonal and Geographic Variation in the Species Composition and Size of Prey Consumed by Grey Seals ( Halichoerus grypus) on the Scotian Shelf

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Authors: Bowen, W. D., Lawson, J. W., Beck, B.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1993
• Subjects: Hake; atlantic cod
• Online Access: http://dx.doi.org/10.1139/f93-198; http://www.nrcresearchpress.com/doi/pdf/10.1139/f93-198

The grey seal (Halichoerus grypus) population on the Scotian Shelf has grown significantly over the past 20 yr, thus increasing the potential for competitive interactions between grey seals and fisheries. The relative contribution (percent wet weight) and size of prey eaten were estimated from otoli...