| 6776 | Mount's Bay and Lands End streams catchment river water quality classification 1991 |
|---|
| 6777 | Herbarium Image: Luzula pilosa |
|---|
| 6778 | Herbarium Image: Tofieldia pusilla |
|---|
| 6779 | Herbarium Image: Luzula spicata |
|---|
| 6780 | Herbarium Image: Tofieldia pusilla |
|---|
| 6781 | Herbarium Image: Carex bigelowii |
|---|
| 6782 | Herbarium Image: Carex arenaria |
|---|
| 6783 | Herbarium Image: Elodea sp. |
|---|
| 6784 | Herbarium Image: Carex aquatilis |
|---|
| 6785 | Herbarium Image: Persicaria amphibia |
|---|
| 6786 | Herbarium Image: Persicaria amphibia |
|---|
| 6787 | Herbarium Image: Persicaria hydropiper |
|---|
| 6788 | Herbarium Image: Eleocharis palustris |
|---|
| 6789 | Herbarium Image: Persicaria amphibia |
|---|
| 6790 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 6791 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 6792 | Best Management Practices to Reduce Diffuse Pollution from Agriculture |
|---|
| 6793 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 6794 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
|---|
| 6795 | Radiation Experiments on Aquatic Organisms |
|---|
| 6796 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
|---|
| 6797 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 6798 | River Cober catchment river water quality classification 1991 |
|---|
| 6799 | River Fal catchment river water quality classification 1990 |
|---|
| 6800 | River Fal catchment river water quality classification 1991 |
|---|
