Make this Notebook Trusted to load map: File -> Trust Notebook

Map of the sites holding the search term ""Margaritifera margaritifera""

There are 26 sites that mention "Margaritifera margaritifera".

This gives an idea of the distribution. Zoom in to the area that interests you.

If you click on the name of one of the sites it will zoom in and open the site description in another tab.

Sites — ranked by relevance

River Kent and Tributaries
…waters also supports one of the largest populations of fresh water pearl mussel Margaritifera margaritifera in England. General Description The River Kent’s main tributaries have their catchments in the south eastern Lake District fells. On the higher ground these drain from roc…
Afon Eden - Cors Goch Trawsfynydd
…s a number of species of special interest including the freshwater pearl mussel Margaritifera margaritifera, floating water-plantain Luronium natans, Atlantic salmon Salmo salar, otter Lutra lutra and a lichen assemblage. The SSSI includes the entire length of the Afon Eden from …
River Borgie
…d as an SSSI for its nationally important population of freshwater pearl mussel Margaritifera margaritifera. The site covers the entire length of the river from Loch Slaim to the sea at Torrisdale Bay. The river channel itself and some areas of the riverbank are included in the s…
Cladagh (Swanlinbar) River
…tic species and includes an important population of the freshwater pearl mussel Margaritifera margaritifera. The Cladagh Swanlinbar River rises on Cuilcagh Mountain and flows through County Cavan before crossing the border into County Fermanagh, where it widens and then enters Up…
Owenkillew River
…pecies and includes the largest known population of the freshwater pearl mussel Margaritifera margaritifera in Northern Ireland. The Owenkillew River is a typical fast-flowing spate river, which gradually changes in character from ultra-oligotrophic waters that are very low in pl…
Tempo River
…s an important river for rare species, particularly the freshwater pearl mussel Margaritifera margaritifera with one of the largest remnant populations of this species known to exist in Northern Ireland. The Tempo River rises near Dooneen Forest, flows through Tempo town finally …
Owenreagh River
…ach sections, however it remains an important river for freshwater pearl mussel Margaritifera margaritifera, with one of the largest remnant populations of this species known to exist in Northern Ireland. The Owenreagh River rises at Black Lough in the Townland of Cragganconroe, …
River Usk (Upper Usk) / Afon Wysg (Wysg Uchaf)
…antic stream crayfish Austropotamobius pallipes and the freshwater pearl mussel Margaritifera margaritifera, both of which are threatened in the UK. Several nationally rare and scarce species of flowering plant occur in the river and on its banks. The SSSI incorporates adjacent a…
River Teme
…g on the banks. The SSSI also holds a population of the freshwater pearl mussel Margaritifera margaritifera, a rare and specially protected species. Breeding Birds The bird community is typical of that found along medium to fast flowing rivers. The dipper Cinclus cinclus is to …
Afon Teifi
…ed, including brown hairstreak Thecla betulae, with the freshwater pearl mussel Margaritifera margaritifera being of particular interest. Fifteen breeding dragonfly species, including the club-tailed dragonfly Gomphus vulgatissimus, have been recorded on the Teifi Marshes and nea…
River Spey
…y has one of the largest populations in Scotland of the freshwater pearl mussel Margaritifera margaritifera, including both adults and juveniles. The freshwater pearl mussel is a long-lived species requiring water of good quality and areas of fine sandy gravels in which to live a…
River Ehen (Ennerdale Water to Keekle Confluence)
… stretch of the river supports outstanding populations of the freshwater mussel Margaritifera margaritifera. Collectively, this is the largest known population of this species in England and the only one showing recent recruitment. It is the third largest population in Britain. A…
Afon Tywi
… shelter for the maturing adults. The nationally scarce freshwater pearl mussel Margaritifera margaritifera has also been recorded from the lower reaches of the river. Remarks: Afon Tywi is a Special Area of Conservation The site supports the following habitats and species liste…
River Dee (England)
…o salar* Annex II and V Bullhead Cottus gobio* Annex II Freshwater pearl mussel Margaritifera margaritifera – Annex II and V grayling Thymallus thymallus – Annex V The otter Lutra lutra and the Freshwater pearl mussel Margaritifera margaritiferare listed under Schedule 5 of the W…
River Spey - Insh Marshes
…pean species listed below. Atlantic salmon Salmo salar Freshwater pearl mussel Margaritifera margaritifera Otter Lutra lutra Sea lamprey Petromyzon marinus River Spey – Insh Marshes SSSI is also River Spey – Insh Marshes Special Protection Area (SPA) designated for the birds li…
Afon Cleddau Gorllewinol / Western Cleddau River
…ulans, and an aging population of the nationally scarce freshwater pearl mussel Margaritifera margaritifera, which is recorded from only nine Welsh rivers. Remarks: This site is a component part of the Cleddau Rivers SAC. The site supports the following habitats and species cove…
Upper Ballinderry River
…till retains a significant and viable population of the freshwater pearl mussel Margaritifera margaritifera. This shellfish was once a very common species and was found along the beds of many of the river systems in Northern Ireland. Since the middle of the last century it has un…
Potarch
…e river jelly lichen Collema dichotomum. The endangered freshwater pearl mussel Margaritifera margaritifera is also found.
Afon Ddu
…on Ddu is of special interest for its population of the freshwater pearl mussel Margaritifera margaritifera. It is a small upland catchment in the hills above Garndolbenmaen. The site includes Llyn Du and the river for 3km downstream to include the sections supporting the pearl m…
River Feshie
…d with cross-leaved heath Atlantic salmon Salmo salar Fresh water pearl mussel Margaritifera margaritifera Green shield-moss Buxbaumia viridis Otter Lutra lutra Sea lamprey Petromyzon marinus Capercaillie Tetrao urogallus Dotterel Charadrius morinellus Golden Eagle Aquila ch…
River Foyle and Tributaries
…hroughout the system. Small populations of the now rare freshwater pearl mussel Margaritifera margaritifera were still present in the Moume River until recently. The area is also important as a river habitat. In their upper catchments, the tributaries are all fast-flowing spate r…
Afon Dyfrdwy (River Dee)
…tic invertebrates present include the nationally scarce freshwater pearl mussel Margaritifera margaritifera which is recorded from only nine Welsh rivers, and the water beetle Bidessus minutissimus, which inhabits reaches of the middle Dee, where it prefers fine gravel substrates…
Loch Awe and Loch Ailsh
…the European species Atlantic salmon (Salmo salar) and freshwater pearl mussel (Margaritifera margaritifera).
River Moidart
…fauna includes a nationally important population of the freshwater pearl mussel Margaritifera margaritifera. The River Moidart is of outstanding importance because it holds one of the largest known populations of the freshwater pearl mussel in Britain. Pearl mussels are abundant …
River Wye (Lower Wye) / Afon Gwy (Gwy Isaf)
…rinus - Annex II Grayling Thymallus thymallus - Annex V Freshwater pearl mussel Margaritifera margaritifera - Annex II and V River lamprey Lampetra fluviatilis - Annex II and V Common otter, Atlantic stream crayfish and freshwater pearl mussel are also listed under Schedule 5 of …
River Kerry
… account of it’s nationally important population of the freshwater pearl mussel Margaritifera margaritifera. The River Kerry is of outstanding importance because it holds one of the largest known populations of the freshwater pearl mussel in Britain and unlike many rivers it has …

Loading map...