You need to have JavaScript enabled to view this video clip.


A report about the main causes of decreasing fish stocks in the North Sea. The effects of pollution are considered, including the water cycle and polluted rivers. The report explains how water is now cleaned before entering rivers and the sea. The effects of overfishing are explained, highlighting better technology to locate large shoals of fish. An explanation of overfishing is given by a biologist, who also discusses the effects on the food chain.
This clip is from:
First broadcast:
22 May 2008

Classroom Ideas

Consider what else might have caused fish stocks to decrease. Children could create their own food chains and discuss what would happen if one animal were to be decreased or removed from the food chain. Research and discuss methods to help increase the fish stocks again.