| 6326 | Salmon Migration and River Flow - Results of Salmon Radio Tracking Studies on Six Rivers in South West England: Technical Summary |
|---|
| 6327 | Environmental quality standards to protect identified uses of controlled waters |
|---|
| 6328 | Mount's Bay and Lands End streams catchment river water quality classification 1991 |
|---|
| 6329 | Herbarium Image: Luzula pilosa |
|---|
| 6330 | Herbarium Image: Tofieldia pusilla |
|---|
| 6331 | Herbarium Image: Luzula spicata |
|---|
| 6332 | Herbarium Image: Tofieldia pusilla |
|---|
| 6333 | Herbarium Image: Carex bigelowii |
|---|
| 6334 | Herbarium Image: Carex arenaria |
|---|
| 6335 | Herbarium Image: Elodea sp. |
|---|
| 6336 | Herbarium Image: Carex aquatilis |
|---|
| 6337 | Herbarium Image: Persicaria amphibia |
|---|
| 6338 | Herbarium Image: Persicaria amphibia |
|---|
| 6339 | Herbarium Image: Persicaria hydropiper |
|---|
| 6340 | Herbarium Image: Eleocharis palustris |
|---|
| 6341 | Herbarium Image: Persicaria amphibia |
|---|
| 6342 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 6343 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 6344 | Best Management Practices to Reduce Diffuse Pollution from Agriculture |
|---|
| 6345 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 6346 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
|---|
| 6347 | Radiation Experiments on Aquatic Organisms |
|---|
| 6348 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
|---|
| 6349 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 6350 | River Cober catchment river water quality classification 1991 |
|---|
