Historic changes in length distributions of three Baltic cod (Gadus morhua) stocks: Evidence of growth retardation.

ABSTRACT: Understanding how combinations of fishing effort and selectivity affect productivity is central to fisheries research. We investigate the roles of fishing regulation in comparison with ecosystem status for Baltic Sea cod stock productivity, growth performance, and population stability. This case study is interesting because three cod populations with different exploitation patterns and stock status are located in three adjacent but partially, ecologically different areas. In assessing stock status, growth, and productivity, we use survey information and rather basic stock parameters without relying on age readings. Because there is an urgent interest of better understanding of the current development of the Eastern Baltic cod stock, we argue that our approach represents partly a novel way

SUBMITTER: Svedang H 

PROVIDER: S-EPMC5574768 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature