| 226 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
|---|
| 227 | The 1990 river and estuary classification survey of England and Wales |
|---|
| 228 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
|---|
| 229 | National guidelines for the production of NRA regions 1990/91 regional plans |
|---|
| 230 | The Impact of Grazing and Upland Management on Erosion and Runoff |
|---|
| 231 | The use of herbicides in or near water |
|---|
| 232 | Time of travel on the [River] Chertsey Bourne under low flow conditions |
|---|
| 233 | Regional fishing guide : a guide to day ticket waters in the Midlands |
|---|
| 234 | Non-compliance of the Bidwell Brook with river quality objectives |
|---|
| 235 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
|---|
| 236 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
|---|
| 237 | Identification of water quality problems in the Strat and Neet catchments |
|---|
| 238 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
|---|
| 239 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
|---|
| 240 | Second annual review of the Sid/Otter catchment management plan 1999 |
|---|
| 241 | Contribution of small streams to potential fish production in the Conwy catchment |
|---|
| 242 | Low-cost modifications of the Crump weir to improve fish passage |
|---|
| 243 | Policy and practice for the protection of groundwater - Thames region appendix |
|---|
| 244 | Policy and practice for the protection of floodplains |
|---|
| 245 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
|---|
| 246 | The Yarrow catchment : recommendations for statutory water quality objectives |
|---|
| 247 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
|---|
| 248 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
|---|
| 249 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
|---|
| 250 | Fine sediment deposition in the River Keer : geomorphological assessment |
|---|
