5626 | Bank erosion on navigable waterways Draft R and D Note (336/2/T) |
5627 | Data Transmission Requirements For Self Monitoring |
5628 | Environmental assessment by external developers and organisations (Phase II) (351/7/T) |
5629 | Environmental assessment by external developers and organisations (Phase II) : recommendations (Note 351/8/T) |
5630 | Environmental Impact Of Run-Of-River Hydropower Schemes In Upland Rivers |
5631 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
5632 | Use of Pesticides at two Watercress Farms in Hampshire : A report into the use of |
5633 | Policy and practice for the protection of groundwater - NRA leaflet |
5634 | Analysis of 1995 Biological Survey Data Phase 2: Post Survey Appraisal: Technical Summary |
5635 | Analysis of 1995 Survey Data: Phase 2. Post-survey Appraisal. Unit I: Taxon Distribution Studies |
5636 | Assessment of Sampling Methods for Macroinvertebrates (RIVPACS) in Deep Watercourses |
5637 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
5638 | Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology |
5639 | A study of benthic macroinvertebrate communities of fifteen Norfolk Broads during summer 1990 |
5640 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
5641 | Water resources development strategy : hydrological modelling. Supplementary report no. 5 |
5642 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
5643 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
5644 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
5645 | Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team |
5646 | River Management Guidelines (Operational Activities) Phase 1 - Scoping Study |
5647 | The regulation of fish farming by the National Rivers Authority |
5648 | Herbarium Image: Callitriche hamulata |
5649 | Review of NRA regional emergency procedures - draft report - (continuation) |
5650 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |