Most of the organic material in the oceans that reaches the sea floor is deposited on continental margins and not in the deep sea. This organic matter is the principal carrier of phosphorus (P) to sediments. A part of the organic material is buried definitely. The other part decomposes, resulting in a release of dissolved HP0 42-to the pore water. ...
The objective of this thesis was to investigate whether the CYP1A response in dab could be used as a biological marker of exposure to PCBs and related compounds in monitoring programmes in the southern North Sea. Only because of its wide occurrence in the North Sea, dab is already playing an important role in international contamination monitoring ...