Hydrographic data usually collected and chlorophyll and water chemistry samples collected in specific cases. Detailed information available on request. Used to describe the spatial and temporal variability in haddock spawning in NAFO Division 4X and the factors that contribute to this variability. All requests have to be approved by Science Director or in consultation with line management. Coverage is complete.
Coverage is uniform.
Database contains discrete depth, depth integrated and continuous observations, depending on type of observation. Coverage is not uniform. Variable depending on type of observation. February-June 1983 to 1985. Coverage is complete.