Joint Assessment and Monitoring Programme (JAMP). National Comments regarding the Norwegian Data for 2003
MetadataShow full item record
- NIVA-rapport 
This report is part of the Norwegian contribution to the SIME 2005 meeting administrated by OSPAR. JAMP 2003 included the monitoring of contaminants in blue mussels (43 stations) and cod or flatfish (18 stations) along the coast of Norway from Oslo to Bergen, Lofoten and Varangerfjord. The results indicated elevated levels of contaminants, i.e., poorer than Class I in SFT's classification system, or over provisional "high background", in the inner Oslofjord (PCBs, mercury and lead in cod PCBs in mussels), and Sørfjord and Hardangerfjord (cadmium, lead, mercury and DDT (ppDDE) in mussels, and PCBs and mercury in cod). Significant upward trends were found for mercury in cod from the inner Oslofjord and a downward trend was found for lead in mussels from Sørfjord/Hardangerfjord. The results from the remaining stations showed low or moderate levels of contamination. The "Pollution" and "Reference" indices for respective groups of fjords was classified as markedly (Class III and a class higher than 2002) and moderately (Class II and the same as 2002) polluted, respectively. Contamination of organotin in mussels and imposex in dogwhelks were still apparent, especially in the Haugesund area. The results from studies using biological effects methods in cod (4 stations) and imposex/intersex in dogwhelks (9 stations).
PublisherNorsk institutt for vannforskning