| 426 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
|---|
| 427 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
|---|
| 428 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
|---|
| 429 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
|---|
| 430 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
|---|
| 431 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
|---|
| 432 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
|---|
| 433 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
|---|
| 434 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
|---|
| 435 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
|---|
| 436 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
|---|
| 437 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
|---|
| 438 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
|---|
| 439 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
|---|
| 440 | The River Eden Demonstration Test Catchment (DTC) Data |
|---|
| 441 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
|---|
| 442 | Environmental snapshot for the East of England [version 1] |
|---|
| 443 | The regulation of salmon angling in Great Britain
|
|---|
| 444 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
|---|
| 445 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
|---|
| 446 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
|
|---|
| 447 | Dead zones, live markers: the biological environments of larger U.K. Rivers
|
|---|
| 448 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
|---|
| 449 | The evaluation of Grant/YSU 3800 water quality monitor |
|---|
| 450 | PVC : an evaluation using the Natural Step framework |
|---|
