1 | The physical character of rivers and streams in the UK and Isle of Man |
2 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
3 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
4 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
5 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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6 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
7 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
8 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
9 | Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002 |