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4576Syngenta Pond Mesocosm Studies Materials and Methods (2000-2004) - Emergence Trap Frame
4577Syngenta Pond Mesocosm Studies Materials and Methods (2000-2004)
4578Atlantic Salmon Research Trust Newsletter No. 7, July 1974
4579Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998
4580Meanders in the Amazon River
4581Amazon River at Manaus
4582Rhone cut-off arm
4583River Lot
4584Newby Beck Catchment Outlet YSI QC file
4585Monitored TP, TRP and nitrate concentrations, Wylye at Brixton Deverill site, Hampshire Avon catchment
4586Evaluating the impact of groundwater abstraction on key conservation sites. Stage 1 reports for AMP3
4587Monitored nitrate concentration at Ebble downstream site, Hampshire Avon catchment
4588Cyclotella,
4589Monitored TP and TRP concentrations at Ebble downtream site, Hampshire Avon catchment
4590Grafham Water : biological monitoring re : FeSO4 dosing supplementary report : Nov. 1992-Jan.1993
4591Guide to freshwater fishing in the Northern area of Anglian Region
4592North Devon streams : first annual review, October 1998
4593Proposed water protection zone (River Dee catchment) designation order
4594Fertiliser application dates: AC0116, Warwickshire, 2013
4595Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight
4596Dinobryon Species
4597Use of airborne remote sensing to assist with industrial site monitoring risk assessment and detection of change : final draft
4598Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales
4599Mean Trophic Rank: A User's Manual
4600National Rivers Authority annual report and accounts 1990/91