476 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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477 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013 |
478 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
479 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
480 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
481 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
482 | Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality |
483 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2013 |
484 | The FBA-Welsh Water simulation model of phytoplankton dynamics in flushed systems. Authentication in a coastal lagoon |
485 | Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D |
486 | Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government |
487 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2011 |
488 | Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report |
489 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2014 |
490 | Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution |
491 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
492 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012 |
493 | Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996) |
494 | Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight |
495 | Development of data and information sources on Natura 2000 estuarine sites in the North West : Duddon Estuary : final report |
496 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
497 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
498 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
499 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
500 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |