| 5526 | River Dee catchment management plan : action plan (bilingual) : 1996: Cynllun Gweithrediad Cynllun Rheoli Dalgylch Dyfrdwy 1996 |
|---|
| 5527 | River Mole : action plan : December 1996 |
|---|
| 5528 | River Severn lower reaches catchment management plan : action plan : November 1995 |
|---|
| 5529 | River Taff catchment management plan : action plan (bilingual) : 1996 |
|---|
| 5530 | Development of Environmental Standards (Water Resources) Stage 1: Identification of Hydro-morphological parameters to which the aquatuc ecosystems is sensitive |
|---|
| 5531 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
|---|
| 5532 | Groundwater storage in British aquifers : chalk - Drawings |
|---|
| 5533 | Groundwater storage in British aquifers: chalk. Appendices |
|---|
| 5534 | Llyn Tegid dual pumping scheme : preliminary study report |
|---|
| 5535 | Assessment of low flow conditions : phase 1 - proposed methodology. Final report |
|---|
| 5536 | East Devon public water supply strategy : surface water yield assessment - use of generated long flow records |
|---|
| 5537 | Kennet and Coln river levels study. Volume one - River Kennet : final report |
|---|
| 5538 | Kennet and Coln river levels study. Volume two - River Coln : final report |
|---|
| 5539 | Low flow augmentation study, River Wensum : Phase 1 Stage 1 draft planning report |
|---|
| 5540 | Recreation and amenity surveys of identified low flow rivers. Part 1 : survey report |
|---|
| 5541 | Stoke Ferry, Dec. 1990 |
|---|
| 5542 | Dinobryon, |
|---|
| 5543 | Factors Affecting Coarse Fish Recruitment: Phase II - Examination and Analysis of Existing Environment Agency Data |
|---|
| 5544 | Hydrometric report and catalogue 1990 : National Rivers Authority, Severn-Trent Region |
|---|
| 5545 | Large Woody Debris In British Headwater Rivers: Main Report |
|---|
| 5546 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
|---|
| 5547 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
|---|
| 5548 | Rapid Assessment of Physical Habitat Sensitivity to Abstraction (RAPHSA) |
|---|
| 5549 | Coastal baseline survey 1990-93. Part 1 : nutrients |
|---|
| 5550 | Environmental Quality Standards for Dissolved Oxygen |
|---|
