Mackerel icefish size and age differences and long‐term change at South Georgia and Shag Rocks

• Published in: Journal of Fish Biology
• Main Author: North, A. W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2005
• Subjects: Shag Rocks; Icefish
• Online Access: http://dx.doi.org/10.1111/j.1095-8649.2005.00874.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.2005.00874.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.2005.00874.x

This study analysed the total length ( L T )‐frequency distribution of mackerel icefish Champsocephalus gunnari at South Georgia and Shag Rocks from nine bottom trawl surveys at South Georgia and eight at Shag Rocks between 1987 and 2002. The estimated mean L T of age‐classes 1+, 2+, 3+ and 4+ years...