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126River quality in England and Wales : a report of the 1990 survey
127Snapshots of the environment : understanding coastal water quality
128The Influence of Variations in Flow on General Quality Assessment of Rivers
129The Mersey estuary : a report on environmental quality
130'Sea Vigil' water quality monitoring : the East coast 1992-1993
131Stream survey and assessment in the Ashford and Folkestone areas
132The 1990 river and estuary classification survey of England and Wales
133The evaluation of an orion ammonium ion selective electrode (220/15/T)
134Anthropogenic Impacts on the Hydrology of Rivers and Lochs
135Operational mechanisms for the protection and enhancement of headwaters
136Distribution of Azolla in the Great Ouse catchment
137Investigation into the cause of high phenols in Budleigh Brook (1998)
138Non-compliance of the Bidwell Brook with river quality objectives
139River Axe Fish Study - Evaluation of Fish Movements in the Estuary
140An environmental snapshot for the Anglian region 2003
141Identification of water quality problems in the Strat and Neet catchments
142Method for the assessment of river water quality using benthic macroinvertebrates
143The greening of Grasmere: its plankton periodicity in 1988
144'Sea Vigil' water quality monitoring : the Wash 1992-1993
145The Yarrow catchment : recommendations for statutory water quality objectives
146Fine sediment deposition in the River Keer : geomorphological assessment
147Snapshots of the environment : a new environmental approach
148The Loddon catchment, Thames : recommendations for statutory water quality objectives
149Environmental snapshot for the East of England [2000]
150Biological water quality monitoring in the Midlands region