| 4526 | Monitoring of rivers and effluents |
|---|
| 4527 | Environmental Protection Act 1990 Best Practical Environmental Option and Other Assessment Methods: Case Study Comparisons |
|---|
| 4528 | The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995 |
|---|
| 4529 | Impact assessment of Meldon quarry on water quality in the West Okement river |
|---|
| 4530 | River Strat catchment river water quality classification 1991 |
|---|
| 4531 | Report on the quality of bathing waters 1990 |
|---|
| 4532 | Spring Carp Mortality Syndrome (SCMS) Transmission Study |
|---|
| 4533 | River catchment management plans : data report |
|---|
| 4534 | Hampshire salmon investigation report on salmon radio tracking 1991 |
|---|
| 4535 | Focus on Biodiversity Update 2002 |
|---|
| 4536 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
|---|
| 4537 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
|---|
| 4538 | River Corridor Surveys
|
|---|
| 4539 | Technical services available to NRA staff |
|---|
| 4540 | Regional water resource review |
|---|
| 4541 | The rehabilitation of the River Taff |
|---|
| 4542 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
|---|
| 4543 | The government's policy for a public regulatory body in a privatised water industry |
|---|
| 4544 | Bideford flood plan : public information leaflet |
|---|
| 4545 | Upper Lee catchment management plan : final plan : September 1994 |
|---|
| 4546 | Restoration of Riverine Trout Habitats - A Guidance Manual |
|---|
| 4547 | Land Use and Fisheries: Results of Sediment Trapping in Artificial Salmon Redds, Winter 1999/2000 |
|---|
| 4548 | Applictions of Artificial Intelligence in River Quality Surveys |
|---|
| 4549 | EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect" |
|---|
| 4550 | River Ray, Wiltshire : fisheries survey 1989 |
|---|
