7026 | Peridinium, |
7027 | Prymnesium |
7028 | River Stort fact file |
7029 | Windermere South Basin Seismic Survey Data 1983 Section 06 |
7030 | Gomphosphaeria, |
7031 | Cryptosporidium in river waters: inception of the study |
7032 | Quarterly Review : April - December 1991 NRA Southern Region |
7033 | Herbarium Image: Lemna trisulca |
7034 | Porphyridium, |
7035 | Low water plants : suggestions put forward for possible insertion to national water resources PR strategy in terms of low water use, aesthetics and availability |
7036 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
7037 | Uroglena volvox |
7038 | Herbarium Image: Mimulus luteus |
7039 | Herbarium Image: Nitella opaca |
7040 | Herbarium Image: Callitriche obtusangula |
7041 | Herbarium Image: Nitella opaca |
7042 | Red River (R23A003) EC Dangerous Substance Directive failure 1993 : final draft report |
7043 | Herbarium Image: Elodea canadensis |
7044 | Herbarium Image: Elodea canadensis |
7045 | Background soil mineral nitrogen: NT26, Norfolk, 2004 |
7046 | Crangonyx pseudogracilis and Gammarus pulex |
7047 | Professor Gerald Sargent letter 6 June 1987 |
7048 | Rhizosiphon |
7049 | Herbarium Image: Potamogeton perfoliatus |
7050 | Soil moisture data: AC0101, Devon, 2007 |