451 | Hypomesus pretiosus |
452 | Laboratory analysis of water samples, Sem at Cool's Cottage, Hampshire Avon catchment |
453 | Bolboschoenus |
454 | Salvelinus alpinus |
455 | Potamogeton perfoliatus |
456 | Stachys arvensis |
457 | Pilularia |
458 | Macroinvertebrates |
459 | Rhithrogena haarupi |
460 | Carex canescens |
461 | Trapa natans |
462 | Newby Beck Control Sub-Catchment (Sleagill Beck) Discharge and Water Quality |
463 | Isolepis setacea |
464 | Eden DTC Invertebrate Data |
465 | Impatiens parviflora |
466 | Bank-side monitoring of river hydrology and water quality, Sem at Cool's Cottage, Hampshire Avon catchment |
467 | Tofieldia pusilla |
468 | Carex pallescens |
469 | Dinoflegellata |
470 | Drosera |
471 | Leptophlebia vespertina |
472 | Ephemerellidae |
473 | Potamogeton obtusifolius |
474 | Neoergasilus japonicus |
475 | Esthwaite Water Seismic Survey 1983 |