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3526Drought : the dry facts
3527Heptagenia fuscogrisea
3528South West Region Plan Summary 1991/1992
3529Diagnostic Drawing: Cyanobacteria associated with tufa,
3530Electron Microscope Image: Asterionella parasitised by Chytrid microfungus
3531A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972.
3532National Rivers Authority 1993/94 corporate plan and forward look to 1996/97 : summary
3533Daily topsoil mineral nitrogen: AC0116, Dumfries, 2011
3534Background soil mineral nitrogen: AC0101, Nottinghamshire, 2008
3535Past achievements, present activities, future vision : annual review and summary accounts 1994-95
3536Leven Estuary project : fisheries component, final report
3537Second annual review of the Seaton, Looe and Fowey catchment management plan
3538Water pollution incidents in England and Wales 1996
3539Development of a field test kit for blue-green algal toxins 1994 (348/6/A) : R and D draft final report
3540The potential of sedimentary phosphorus to sustain algal growth following reduction in external loading. Recycle pathways for phosphorus in lakes: evidence from large limnetic enclosures (Lund Tubes)
3541Proposed scheme of charges in respect of discharges to controlled waters
3542Anglian region telemetry system : revised strategy for phases 2, 3 and 4.
3543Methane Emissions From Different Landfill Categories(Cwm 141/97)
3544Water quality fact file 4/9
3545Water wise : awards for Sussex schools
3546Hogsmill catchment landscape assessment
3547HIDDEN-DP-REdwards-001.tif
3548The investigation of the Taff litter problem : report no. PL/EAE/89/2
3549Plecopteran
3550Severn catchment flood management plan and fluvial Severn strategy update