2176 | Kings Lynn tidal defences |
2177 | Ceratium, |
2178 | Annual N2O measurements and associated data: AC0213, Nottinghamshire, 2010 |
2179 | Weather data: AC0213, Nottinghamshire, 2010 |
2180 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
2181 | Progress Report August 1982 |
2182 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
2183 | Herbarium Image: Carex flacca |
2184 | Sea trout facts |
2185 | Boreobdella verrucata |
2186 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |
2187 | Regional water quality monitoring and surveillance programme for 1993 : biological assessment of discharges on receiving waters |
2188 | Staurastrum, |
2189 | Herbarium Image: Potamogeton praelongus |
2190 | Protozoan, |
2191 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
2192 | Mallomonas, |
2193 | Herbarium Image: Sparganium emersum |
2194 | Herbarium Image: Galeopsis tetrahit |
2195 | Soil erosion on land cultivated and drained for afforestation |
2196 | Clear Options towards an operational model for the Lee Valley Reservoirs |
2197 | Eudorina colonies, |
2198 | Herbarium Image: Oenanthe fistulosa |
2199 | Filamentous algae, |
2200 | Mallomonas, |