5176 | Chlorohyll and Phosphorus Classifications for UK Lakes |
5177 | Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters |
5178 | Herbarium Image: Phalaris arundinacea |
5179 | Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991 |
5180 | Investigation of existing conservation interests and potential furtherance opportunities |
5181 | NRA regional, area and catchment boundaries |
5182 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
5183 | Sediment input from coastal cliff erosion : interim report (literature review) |
5184 | Code of practice - marine activities : part I : sea-going vessels |
5185 | Code of practice - marine activities : part II : boats - type II-V |
5186 | Herbarium Image: Callitriche obtusangula |
5187 | A brief history of the River Stour navigation : 1705 to the present day |
5188 | Harbour of Rye |
5189 | Narrowboats on the Thames : useful hints and tips |
5190 | NRA navigation strategy |
5191 | Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys |
5192 | Bristol Avon Area fishery survey : Byde Mill Brook |
5193 | Herbarium Image: Potamogeton alpinus |
5194 | Second annual review of the Lower Bristol Avon catchment management plan |
5195 | Second annual review of the Upper Bristol Avon catchment management plan |
5196 | The River Avon and its tributaries near Malmesbury : river management studies |
5197 | Eel and elver studies in the Severn : interim report (256/6/ST) |
5198 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
5199 | Upper Nene structures : Elton : detailed appraisal report |
5200 | Upper Nene structures : Stanwick : detailed appraisal report |