401 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
402 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
403 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
404 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
405 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
406 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
407 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
408 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
409 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
410 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
411 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
412 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
413 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
414 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
415 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
416 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
417 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
418 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
419 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
420 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
421 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
422 | The River Eden Demonstration Test Catchment (DTC) Data |
423 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
424 | Environmental snapshot for the East of England [version 1] |
425 | The regulation of salmon angling in Great Britain
|