5551 | Eel and elver studies in the Severn : interim report (256/6/ST) |
5552 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
5553 | Upper Nene structures : Elton : detailed appraisal report |
5554 | Weir on River Rhone |
5555 | Fishery survey of the Bridgwater and Taunton Canal |
5556 | Herbarium Image: Amsinckia sp. |
5557 | Herbarium Image: Astragalus danicus |
5558 | Herbarium Image: Cerastium arvense |
5559 | Herbarium Image: Cochlearia micacea |
5560 | Herbarium Image: Festuca rubra |
5561 | Herbarium Image: Festuca vivipara |
5562 | Herbarium Image: Festuca altissima |
5563 | Herbarium Image: Festuca altissima |
5564 | Herbarium Image: Cochlearia danica |
5565 | Herbarium Image: Silene flos-cuculi |
5566 | Herbarium Image: Silene uniflora |
5567 | Herbarium Image: Thalictrum alpinum |
5568 | Herbarium Image: Thalictrum minus |
5569 | Marine science section : Phase 1 of Blyth Estuary PCB monitoring |
5570 | Daily nitrous oxide (N2O) flux measurements: AC0213, Devon, 2010 |
5571 | Guidelines for Electric Fishing Best Practice |
5572 | The quality of rivers and estuaries in Northumbria region 1990 |
5573 | Bank erosion on navigable waterways R and D Report 336/1/T |
5574 | Levels of service for urban and rural flood defence |
5575 | A guide to sustainable urban drainage : protecting the quality of our environment |