Grassholm
51°43′52″N 5°28′47″W / 51.7311°N 5.4796°W / 51.7311; -5.4796
Grassholm (Welsh: Gwales or Ynys Gwales) or Grassholm Island[2] is a small uninhabited island situated 13 kilometres (8 mi) off the southwestern Pembrokeshire coast in Wales, lying west of Skomer, in the community of Marloes and St Brides.[3] It is the westernmost point in Wales other than the isolated rocks on which the Smalls Lighthouse stands. Grassholm is known for its huge colony of northern gannets; the island has been owned since 1947 by the Royal Society for the Protection of Birds, and is one of its oldest reserves. It reaches 42 metres (138 ft).
Grassholm National Nature Reserve is the third most important site for gannets in the world, after two sites in Scotland: St Kilda and Bass Rock. It serves as a breeding site for 39,000 pairs of the birds, and supports around 10 per cent of the world population.[4][5] The turbulent sea around Grassholm is a good feeding area for porpoises and bottlenose dolphins.
The island has a significant problem with marine plastic, brought to the island by breeding gannets, as nesting material which the birds have mistaken for seaweed floating in the surrounding waters. The problem has been ongoing through twelve years of RSPB conservation to 2017, and surveys have indicated that 80% of nests contain waste plastics.[6][7][8]
Boats sail to Grassholm from St Davids Lifeboat Station and Martin's Haven on the mainland, but members of the public are not permitted to land.[5]
Geologically, the island is largely formed from keratophyre, though the northwest coast and the islet of West Tump are formed from basalt. A couple of NE-SW aligned faults cross the island. Raised beaches are present in places.[9]
The entertaining of the noble head
Grassholm has been identified with Gwales, an island in the medieval Welsh story Branwen ferch Llŷr (Branwen the daughter of Llŷr), one of the Four Branches of the Mabinogi. Gwales is the site of a fabulous castle where the severed head of Brân the Blessed is kept miraculously alive for eighty years while his companions feast in blissful forgetfulness, until the opening of a forbidden door that faces Cornwall recalls them to their sorrow and the need to bury the head at the White Mount (the Tower of London). Brân is the Welsh for 'raven', which has a legendary connection with the Tower of London.[10][11][12]
And at the end of the seventh year they set out for Gwales in Penfro. And there was for them there a fair royal place overlooking the sea, and a great hall it was. [...] And that night they were there without stint, and were joyful. [...] And there they passed the fourscore years so that they were not aware of having ever spent a time more joyous and delightful than that. It was not more irksome, nor could any tell of his fellow that he was older during that time, than when they came there. Nor was it more irksome having the head with them then than when Bendigeidfran had been with them alive. And because of those fourscore years it was called the Assembly of the Wondrous Head.
Shipwreck
On 15 July 1945, the cargo ship Walter L M Russ ran aground on Grassholm and sank.[14] Nine crew were rescued by the Angle Lifeboat.[15]
See also
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References
- ^ "SPA Description - Grassholm". Joint Nature Conservation Committee. DEFRA. Retrieved 2 March 2017.
- ^ "Grassholm Island". Ordnance Survey. Retrieved 7 February 2019.
- ^ Ordnance Survey. "SM5909". Geograph. Retrieved 16 November 2018. (click on map)
- ^ Anon. "Grassholm". RSPB wepages. The Royal Society for the Protection of Birds. Retrieved 11 April 2010.
- ^ a b "Visit Pembrokeshire: Grassholm". Retrieved 8 November 2018.
- ^ "Saving the birds ensnared on 'plastic island'". Euronews. 20 October 2017. Retrieved 20 October 2017.
- ^ "Gannets ensnared by twisted plastic around their legs on Grassholm island". Sky News. 20 October 2017. Retrieved 20 October 2017.
- ^ "Plastic Gannets". Autumnwatch. 19 November 2014. BBC. BBC2. Retrieved 20 October 2017.
- ^ British Geological Survey 1978 1:50,000 scale geological map sheet (England and Wales) 226/227 Milford (Keyworth, Notts)
- ^ "Branwen ferch Lyr: The Second Branch of the Mabinogi". www.mabinogi.net.
- ^ The Mabinogion: Branwen the Daughter of Llyr, translated by Lady Charlotte Guest. Online at www.sacred-texts.com.
- ^ Newstead, Professor Helaine H., Bran the Blessed in Arthurian Romance pub. Columbia University Press 1939.
- ^ The Mabinogion. Translated by Jones, Gwyn; Jones, Thomas. London: Everyman's Library. 2000. pp. 35–36. ISBN 9781857151688.
- ^ Mitchell, W H, and Sawyer, L A (1995). The Empire Ships. London, New York, Hamburg, Hong Kong: Lloyd's of London Press Ltd. ISBN 1-85044-275-4.
{{cite book}}
: CS1 maint: multiple names: authors list (link) - ^ "History". Angle Lifeboat Station. Archived from the original on 17 March 2010. Retrieved 30 May 2010.
External links
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- RSPB website
- RSPB boat to Grassholm and Ramsey Island
- "Grassholm" (PDF). Natural Resources Wales. Large scale map
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