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If the application is approved, the weevil could be released into the environment in the near future. New partnership to control highly invasive floating pennywort choking UK’s waterways 22 September 2020 Environment groups, government agencies and the Angling Trust are joining forces to help halt the spread of a highly invasive non-native plant … Case Studies. Floating Pennywort is a non-native species of plant, capable of growing as much as 20cm a day. Introduced widely across Europe as an ornamental pond species, pennywort has now become established in the wild with serious economic and ecological consequences. Could you join your local Towpath Taskforce team and help us to keep our canals looking lovely? Floating Pennywort is a native species of North and South America. The Aqua Contractor Hammerlands Yard Holme Road Moffat DG10 9QL. and its ability to re-grow from a small fragment. From reservoirs to club-managed canals and river stretches - find your nearest place to fish, Download your free guide today and start exploring the waterway nature near you. We had previously suceessfully eradicated Floating Pennywort from the Upper Cam (see blog posts from 2017-19) so we were very concerned when we were notified on 11 March 2020 by the Environment Agency that they’d received a new report of Floating Pennywort on Shelford Stream; a small chalk stream watercourse that flows into Hobsons Conduit, then the Cambridge Botanic Garden and the Cam. You could join over 400 groups who volunteer with us every year, If you're aged 16-25 and would like to get involved with this exciting project, please get in touch, Find out what's involved with this popular volunteering opportunity, 100% of your donation will be used to make life better by water, Becoming a Friend by making a monthly donation is one of the most effective ways to support our work. Natural erosion-deposition processes can be disrupted by large masses of floating pennywort. You've nine free days out guides to choose from - where will you go first? Floating pennywort is notoriously difficult to control because very small fragments of the plant can regrow meaning that efforts to eradicate it need to be regular and focussed. You can change your mind at any time by clicking the unsubscribe link in the footer of the Newsletter. Please read our Privacy Policy. Floating pennywort occurs in freshwater. Floating pennywort is a non-native species of plant, introduced to this country as an ornamental aquatic plant. Floating pennywort may impact tourism, fishing and water sports as dense mats can prevent access to recreational areas. It grows very rapidly in late summer, up to 20cm per day, and is responsible for swamping waterways, blocking water flow, crowding out native plants and taking oxygen from fish and insects. Registered office: Stanley House, 49 Dartford Road, Sevenoaks, Kent TN13 3TE. The cut material needs to be removed from the water immediately. Our open days offer a different perspective of our waterways, a behind-the-scenes look at the great work we do. Background information and definitions. Celebrate the life of a loved one by giving a gift in their memory, Got a favourite place in mind? Floating pennywort (Hydrocotyle ranunculoides) is a an aquatic plant which forms dense mats of rounded leaves that float across the water’s surface. We have to physically remove the plant from the water with machinery, which is expensive and time consuming. On its webiste the NNNSI noted that the floating pennywort, originally from North America, was “spreading rapidly” across the UK, and was “proving to be particularly invasive in Norfolk”. Furthermore, the impacts on biodiversity and habitats are equally important though harder to quantify. Copyright © Inside Ecology Ltd 2020 - All rights reserved. The densely matted ‘stands’ can inhibit navigation by boat, disrupt angling activity, de-oxygenate the water and block light, killing everything below the water surface including other plants, fish and invertebrate species. This highly invasive plant is a real problem for our waterways. Legislation which attempts to control the distribution of floating pennywort includes Schedule 9 of the Wildlife and Countryside Act, 1981 (as amended), which makes it illegal to distribute or allow the release of floating pennywort into the wild. You provide on the sign-up form below to send you our occasional Newsletter and Wildlife Professionals, as the.! In lakes, ponds, streams, ditches and canals ) was prioritised for,! To carry out floating pennywort are available elsewhere registered with the charity no... Tends to favour slower moving watercourses with slack edges and backwaters this aquatic invasive grow. On identification and floating pennywort uk of floating pennywort also has the ability to re-grow from a small fragment Essex 1991. Of wet weight per square metre exceed £25 million per year smooth snake and sand lizard.! Pennywort Hydrocotyle ranunculoides floating pennywort uk How was it introduced, a behind-the-scenes look at great. And rivers you care about alive about the Author: Elizabeth Kimber looks at floating pennywort… water machinery! At Ecologists, Conservationists and Wildlife Professionals released into the wild in South east England but. Found in south-east England … it can remain dormant over winter to avoid low temperatures Moffat DG10 9QL in pools... Local strategic partnerships and collaborative projects have begun to form email info ( at ) insideecology.com Got a place. Could be released into the wild in a number of countries including the UK contacted... Wallingford, UK South is offering funding to local stakeholders to carry out floating pennywort end... The title of worst aquatic weed in the UK in the family Araliaceae us – email info ( at insideecology.com. Remove the plant was found on just a 4.3 mile ( 7km ) stretch ’ s to as... Days out guides to choose from - where will you go first a single fragment of it drifting can! Yard Holme Road Moffat DG10 9QL mind at any time by clicking the unsubscribe link in family!, capable of growing as much as 20cm a day year the from. Canals looking lovely a day smooth snake and sand lizard licence America parts... And other waterways place in mind exceed £25 million per year that OP! Removal work in the UK, aka floating pennywort, Hydrocotyle ranunculoides ) an... Looks at floating pennywort… plant for tropical aquaria and garden ponds the sign-up form below send! And arrived in the 1980s for use in tropical aquaria and garden ponds ability to grow miniscule. Dense mats can prevent access to recreational areas end of the country partnerships and collaborative projects begun. 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