Central coast juvenile herring survey, August 2011 / M. Thompson, C. Fort, and T.W. Therriault. : Fs97-4/3071E

Relatively little is known about the distribution, abundance, and size of juvenile herring in the Central Coast of British Columbia. In 2002-2004, and 2007-2011 juvenile herring surveys were designed and conducted to address information gaps and learn about the general biology of herring in this northern geographical area. The survey objectives were to estimate relative abundance of juvenile herring and other nearshore pelagic species. This included the collection of morphometric information on fish species caught, estimate of zooplankton density and physical water column properties (temperature and salinity). This survey time series will potentially provide a better understanding of the role and relationships of juvenile herring in Central Coast waters, and may provide an empirical forecast of recruitment to the herring roe fishery based on relative juvenile abundance, even though the Central Coast roe fishery has been closed since 2008.

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