| 851 | Cyanobacteria (blue-green algae) in the south west region 1989 |
|---|
| 852 | Toxic blue-green algae : a report by the National Rivers Authority |
|---|
| 853 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
|---|
| 854 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
|---|
| 855 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
|---|
| 856 | The River Alt/Crossens fish stock assessment 2001 |
|---|
| 857 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
|---|
| 858 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
|---|
| 859 | The Ely Ouse catchment management plan : final plan : January 1994 |
|---|
| 860 | State of the environment report for Thames Region : first update 2001 |
|---|
| 861 | State of the environment report 2001 : West Midlands Region |
|---|
| 862 | Groundwater flooding in the Thames region : winter 2000/01 |
|---|
| 863 | The environmental requirements of adult Atlantic salmon (Salmo salar L.) during their upstream migration in the Northwest Miramichi River, New Brunswick. Draft. |
|---|
| 864 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
|---|
| 865 | High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency |
|---|
| 866 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |
|---|
| 867 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
|---|
| 868 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
|---|
| 869 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
|---|
| 870 | Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer |
|---|
| 871 | Spring salmon : a review of factors affecting the abundance and catch of spring salmon from the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
|---|
| 872 | 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 |
|---|
| 873 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
|---|
| 874 | Local environment focus : issues in and around Derby, Matlock, Buxton, Bakewell, Belper and the Derbyshire Dales Issue 3 : Environment Agency Newsletter for the Derbyshire Derwent Catchment October 2003 |
|---|
| 875 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
|---|
