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451An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
452Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
453Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
454The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
455The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
456Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
457Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
458Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
459Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
460A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
461River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
462Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
463Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
464Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
465Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
466An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
467An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
468Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
469A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
470An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
471An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
472Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
473A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
474A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
475Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare