1 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
2 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
3 | The National Centre for Environmental Data and Surveillance : business plan 1999/2000 |
4 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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