1 | The Aire catchment (river factfiles) |
2 | The Hull catchment (river factfiles) |
3 | The Tees catchment (river factfiles) |
4 | The Tyne catchment (river factfiles) |
5 | The Calder catchment (river factfiles) |
6 | The Esk catchment (river factfiles) |
7 | The Derwent catchment (river factfiles) |
8 | The Northumberland catchment (river factfiles) |
9 | The Wear catchment (river factfiles) |
10 | The River Arun : fact file |
11 | The Nidd and Wharfe catchment (river factfiles) |
12 | Catches of Migratory Fish in the River Don, Aberdeenshire- Consideration of the Availability of Fish |
13 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
14 | The Don, Rother and Dearne catchment (river factfiles) |
15 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
16 | The River Tywi catchment management plan : action plan (bilingual) |
17 | The Swale, Ure and Ouse catchment (river factfiles) |
18 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
19 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
20 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
21 | Further Development and Testing Of Artificial Intelligence Systems for the Classification and Diagnosis of River Quality Based on Biological and Environmental Data |