1201 | Water pollution incidents in England and Wales 1999 |
1202 | Water pollution incidents in England and Wales 1998 |
1203 | Dinobryon, |
1204 | FBA News 66 |
1205 | Ecdyonurus |
1206 | Leptophlebia marginata |
1207 | Heptagenia lateralis |
1208 | Salmon in Norway |
1209 | Cucullanus truttae pharynx, |
1210 | Ecdyonurus torrentis |
1211 | Ceraclea dissimilis, |
1212 | Herbarium Image: Apium inundatum |
1213 | A Core Sample taken from Lake Windermere |
1214 | Erpobdella octoculata, |
1215 | Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates |
1216 | Dugesia tigrina, |
1217 | HIDDEN-TA-ChinaMarkMoth-001.tiff |
1218 | HIDDEN-TA-Molluscs-001.tif |
1219 | Rhithrogena semicolorata |
1220 | Phantom midge (Chaoborus) larva |
1221 | Bunodera luciopercae with eggs, |
1222 | HIDDEN-NH-crayfish_75-001 |
1223 | Capillaria sp., |
1224 | HIDDEN-TA-Gerrisspp-002.tiff |
1225 | Interceptory exploitation of salmon |