4676 | River Hodder juvenile fish stock assessment 1998, with particular reference to salmonids |
4677 | Monitored river turbidity, Sem at Priors Farm site, Hampshire Avon catchment |
4678 | Monitored flow rate, Sem at Priors Farm site, Hampshire Avon catchment |
4679 | Graphical display program for SIMCAT (202/1/A) |
4680 | Monitored water temperature and dissolved oxygen concentration, Sem at Priors Farm site, Hampshire Avon catchment |
4681 | Blue-green algal monitoring 1998 : final report |
4682 | Field work in winter |
4683 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
4684 | Kephyrion skujae |
4685 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
4686 | Site right : industrial pollution prevention and control |
4687 | Mean annual alkalinity and conductivity at routine biological monitoring sites in 1991 for use with RIVPACS |
4688 | Biological assessment of inorganic and organic enrichment of watercourses by Hatfield, Rye Meads, Deephams and Bishop Stortford sewage effluents |
4689 | The Eastern Rother |
4690 | High Resolution In-situ Monitoring of Hyporheic Zone Biogeochemistry |
4691 | Hambledon lock |
4692 | Salmon fisheries in Scotland |
4693 | AMP3 benefits assessment low flow alleviation schemes : final report (including business cases) |
4694 | Lodes-Granta groundwater scheme |
4695 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
4696 | A report into the impact of small dam construction at Delford bridge, De Lank river |
4697 | Canvey Island flood defences consultation |
4698 | Blue-green algae |
4699 | River Hiz : alleviation of low flows |
4700 | Pesticides in the aquatic environment 1995 |