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1251Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey
1252A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing
1253A review of the hydrogeological information for the Thompson and Merton areas, Norfolk : including predictions of the impact of nearby chalk water abstractions on water levels at Thompson Water, Carr and Common SSSI and candidate SAC
1254Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005
1255The Effect of N Fertiliser forms on nitrous oxide emissions from UK arable and grassland. Defra project number NT2605
1256The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Norfolk, 2004
1257The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004
1258The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004
1259Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales
1260Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1261Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
1262Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985
1263Low flows and water resources : facts on the top 40 low flow rivers in England and Wales
1264Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
1265An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water
1266The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I
1267Economic appraisal and assessment of benefits in the PR04 environment programme : findings of an environment agency seminar, January 2003
1268Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
1269Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
1270Environmental protection draft report - united mines landfill appraisal of the disposal of waste from falmouth docks tip
1271Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1272Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
1273Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1274The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1275NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992