1 | The boater's handbook |
2 | The status of the Windermere charr populations |
3 | The Ouse washes (folder) |
4 | The influx of black magnetic spherules to the lakes of the English Lake District |
5 | The Aire catchment (river factfiles) |
6 | The Hull catchment (river factfiles) |
7 | The Tees catchment (river factfiles) |
8 | The Tyne catchment (river factfiles) |
9 | The Calder catchment (river factfiles) |
10 | The Esk catchment (river factfiles) |
11 | The Derwent catchment (river factfiles) |
12 | The Northumberland catchment (river factfiles) |
13 | The Wear catchment (river factfiles) |
14 | The River Arun : fact file |
15 | The development of the Gammarus pulex feeding rate Bioassay |
16 | Surveying and tracking salmon in the sea |
17 | The Nidd and Wharfe catchment (river factfiles) |
18 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |
19 | Ecology and the Water Framework Directive |
20 | The tideway storm problem May 1988 |
21 | Factors affecting salmon in the sea |
22 | The Possible effects on migratory fish in the River Dee of increased water abstraction |
23 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
24 | Catches of Migratory Fish in the River Don, Aberdeenshire- Consideration of the Availability of Fish |
25 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |