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576A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
577River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
578Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
579Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
580Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
581Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
582An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
583An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
584Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
585A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
586An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
587An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
588An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
589Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
590A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
591A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
592Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
593Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
594A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
595Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
596Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
597The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
598Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph
599Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
600Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters