2201 | Kings Lynn tidal defences |
2202 | Ceratium, |
2203 | Annual N2O measurements and associated data: AC0213, Nottinghamshire, 2010 |
2204 | Weather data: AC0213, Nottinghamshire, 2010 |
2205 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
2206 | National marine baseline survey 1995 : Gulliver manual and CD-ROM questions |
2207 | Progress Report August 1982 |
2208 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
2209 | Herbarium Image: Carex flacca |
2210 | Sea trout facts |
2211 | Boreobdella verrucata |
2212 | Regional water quality monitoring and surveillance programme for 1993 : biological assessment of discharges on receiving waters |
2213 | Staurastrum, |
2214 | Herbarium Image: Potamogeton praelongus |
2215 | Protozoan, |
2216 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
2217 | Mallomonas, |
2218 | Herbarium Image: Sparganium emersum |
2219 | Herbarium Image: Galeopsis tetrahit |
2220 | Soil erosion on land cultivated and drained for afforestation |
2221 | Clear Options towards an operational model for the Lee Valley Reservoirs |
2222 | Eudorina colonies, |
2223 | Herbarium Image: Oenanthe fistulosa |
2224 | Filamentous algae, |
2225 | Mallomonas, |