WebGrass-wrack pondweed turions were collected prior to infilling of the old dyke and grown on, both indoors and outdoors, for transplanting into the new dyke once completed. The pondweed was also present within adjoining dykes potentially at risk to increased turbidity/siltation and/or water pollution, plus hydrological changes during ... WebOct 1, 1984 · It was found that the water extract of grass-wrack pondweed (Potamogeton oxyphylus Miquel) had inhibitory activity for reverse mutations induced by benzo[a]pyrene, 2-aminoanthracene and 2-nitrofluorene with Salmonella typhimurium TA100 and TA98.The active substance was heat-resistant, and the molecular weight was above 300 000.

Grass-wrack pondweed - Norfolk Wildlife Trust

Webfrom publication: Translocation of a nationally scarce aquatic plant, grass-wrack pondweed Potamogeton compressus, at South Walsham Marshes, Norfolk, England Potamogetonaceae, Aquatic Plant and ... WebAlong the Back River (a tributary of the River Nene) the ditches contain nationally scarce plants such as fringed waterlily, grass-wrack pondweed, and spined- loach, a rare European fish. The site is very good for birds, so visitors may sit with binoculars and be lucky enough to see snipe, redshank and sandpiper, or catch a glimpse of a ... date format in batch file

Potamogeton compressus - Alchetron, The Free Social Encyclopedia

WebPotamogeton compressus is a species of aquatic plant known by the common names grass-wrack pondweed, [2] flatstem pondweed [3] and eel-grass pondweed. … WebMar 15, 2024 · The Welsh section of the canal is a Special Area of Conservation (SAC) for floating water plantain (Luronium natans) and a Site of Special Scientific Interest (SSSI) for the emergent fringe, invertebrate assemblage and nationally important species such as Grass-wrack pondweed (Potamogeton compressus).We need to achieve a balance, … http://publications.naturalengland.org.uk/publication/5828439265247232 date format in c# mmddyyyy