| 2476 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
|---|
| 2477 | Owen Falls Dam |
|---|
| 2478 | Sea lamprey parasitising brown trout, |
|---|
| 2479 | Extreme sea levels for section 105 surveys : summary report |
|---|
| 2480 | Testing and Further Development of RIVPACS: Stage 3 Report |
|---|
| 2481 | Physical environment for river invertebrate communities : project report : annex (data) |
|---|
| 2482 | 1999 annual report on fisheries in the North west incorporating the annual summary of fishery statistics |
|---|
| 2483 | Chironomids as indicators of biological quality : present use and future potential : a report of a workshop held at the Environment Agency, Thames Region |
|---|
| 2484 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
|---|
| 2485 | Biological problems associated with IFIM and implications for regional fisheries studies |
|---|
| 2486 | Guidance on the Development of Typology and Classification Systems for Transitional and Coastal Waters |
|---|
| 2487 | Regional water quality monitoring and surveillance programme for 1992 : tidal waters monitoring and surveillance |
|---|
| 2488 | Initial Radiological Assessment Methodology - Part 1 User Report |
|---|
| 2489 | Economic evaluation of inland fisheries: Welfare benefits of inland fisheries in England and Wales. |
|---|
| 2490 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
|---|
| 2491 | River quality : April 1992 - March 1993 |
|---|
| 2492 | Dinobryon crenulatum |
|---|
| 2493 | Technical basis for the predicted impacts of relocating Redgrave abstraction to Borehole B |
|---|
| 2494 | National water resources strategy : comparative environmental appraisal of strategic options : volume 1 : main report |
|---|
| 2495 | NRA Thames Region annual review 1989/90 |
|---|
| 2496 | The 1990 river and estuary classification survey of England and Wales |
|---|
| 2497 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
|---|
| 2498 | Water Quality of the Humber Estuary 1986 |
|---|
| 2499 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
|---|
| 2500 | Understanding riverbank erosion from a conservation perspective |
|---|
