October 26, 2010
Graph of the Day: Biomass of Pacific Herring in Three Subregions of the Canada North Coast, 1950-2009
Pre-fishery biomass (in 1000s of tonnes) of Pacific herring in three subregions of the North Coast and Hecate Strait ecozone. The top left panel is for the Central Coast, the top right panel for Haida Gwaii, and the lower panel for the Prince Rupert District. The horizontal line represents the minimum spawning stock biomass. 2010 Canadian Marine Ecosystem Status and Trends Report
Canadian Science Advisory Secretariat Science Advisory Report 2010/030, 2010 Canadian Marine Ecosystem Status and Trends Report [pdf], July 2010