1251 | Background soil mineral nitrogen contents: OPTI-N, Cheshire, 2004 |
1252 | Bothriocephalus claviceps, |
1253 | Achnanthes, |
1254 | Background soil mineral nitrogen contents: SLURRY-NR, Nottinghamshire, 2005 |
1255 | Corer |
1256 | HIDDEN-TP-PondRamshorn-001.tiff |
1257 | Setodes argentipunctellus larva, |
1258 | Biological environments of larger UK rivers: third progress report
|
1259 | HIDDEN-EN-ShelteredShore-001.tiff |
1260 | HIDDEN-NH-Snail_72-001 |
1261 | Setodes argentipunctellus larva, |
1262 | Setodes argentipunctellus larva, |
1263 | HIDDEN-TA-DytiscusLarva-001.tiff |
1264 | Atlantic salmon in Spain |
1265 | Notonecta glauca |
1266 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
1267 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
1268 | Diagnostic Drawing: Siphonocladales, |
1269 | Nitrates in surface water, inputs and seasonality
|
1270 | Background soil mineral nitrogen: AC0101, Devon, 2007 |
1271 | Weather data: AC0116, Bedfordshire, 2011 |
1272 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
|
1273 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
|
1274 | Chrysopyxis, |
1275 | Chrysochromulina |