1651 | South Essex catchment management plan : consultation report summary |
1652 | Aquatic Plant Management Group Project |
1653 | Assessing water quality : General Quality Assessment (GQA) scheme for biology (Bilingual Welsh) |
1654 | Assessment of (anti-) Oestrogenic and (anti-) Androgenic Activities of Final Effluents from Sewage Treatment Works |
1655 | Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent |
1656 | Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002 |
1657 | Assessment of river Phosphorus and Nitrogen from macroinvertebrate data using artificial intelligence techniques : technical report |
1658 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
1659 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
1660 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
1661 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |