1 | Whitacre-Shustoke Reservoir improvements. The sedimentary phosphorus content on the Lower Shustoke Reservoir |
2 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
3 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
4 | Quality audit of biological samples for the 1990 river quality survey |
5 | Stream survey and assessment in the Ashford and Folkestone areas |
6 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
7 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version] |