2376 | Regional water quality monitoring and surveillance programme for 1993 : EC surface water abstraction directive |
2377 | Azolla, |
2378 | The Environment Agency's state of the environment report for Thames Region |
2379 | Spirulina, |
2380 | Staurastrum, |
2381 | Herbarium Image: Lycopodium clavatum |
2382 | Notonecta glauca |
2383 | Herbarium Image: Nasturtium x sterile |
2384 | Euglena, |
2385 | Acanthocephalan proboscis, |
2386 | HIDDEN-TA-Simulim-001.tiff |
2387 | Herbarium Image: Saxifraga tridactylites |
2388 | Slurry and dirty water disposal |
2389 | Diphyllobothrium ditremum body wall TS, |
2390 | Dinobryon 4383 |
2391 | Athripsodes aterrimus |
2392 | Herbarium Image: Lemanea sp. |
2393 | Background soil mineral nitrogen contents: AC0116, Dumfries, 2012, urine |
2394 | Seminar on water pollution control : presentations |
2395 | Herbarium Image: Dryopteris carthusiana |
2396 | Pow Beck Outlet monthly grab samples |
2397 | Progress Report June 1993
|
2398 | Herbarium Image: Potamogeton obtusifolius |
2399 | Future water resources strategy |
2400 | Acidification of freshwaters: the threat and its mitigation |