1 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
2 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
3 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
4 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
5 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
|