Glannau Penmon - Biwmares is a Site of Special Scientific Interest (or SSSI) in Anglesey, North Wales. It has been designated as a Site of Special Scientific Interest since January 1957 in an attempt to protect its fragile biological and geological elements.[1] The site has an area of 170.87 hectares (422.2 acres) and is managed by Natural Resources Wales.
| Site of Special Scientific Interest | |
  Location within Wales | |
| Location | West Gwynedd |
|---|---|
| Grid reference | SH6211778674 |
| Coordinates | 53°17′13″N 4°04′12″W / 53.287°N 4.070°W |
| Interest | Biological and Geological |
| Area | 170.87 hectares (422.2 acres) |
| Notification | 1957 |
Type and features
editThis SSSI has been notified as being of both geological and biological importance and the following are considered to be of Special Scientific Interest:
1. Communities of animals and plants of mixed sediment and of muddy gravel shores.
2. Four communities of restricted national distribution:
- Piddocks burrowed into lower shore limestone overgrown with serrated wrack.
- Sponges, sea-squirts and serrated wrack on tide-swept lower shore rock.
- Sponges, sea-squirts, red seaweeds and serrated wrack found on a tideswept mixture of mud, sand, cobbles and pebbles.
- Lower shore muddy gravel inhabited by a diverse group of small marine
worms.
3. Two species-rich communities of marine plants and animals:
- Sponges, sea-squirts and sea-mats on bedrock overhangs.
- Serrated wrack and various animals under lower shore boulders.
4. A succession of ice-age sediments, exposed in the soft coastal cliffs and foreshore at Lleiniog
See also
editReferences
edit- ^ Countryside Council for Wales website (Natural Resources Wales since 2013); Archived January 1, 2014, at the Wayback Machine accessdate: 30 December 2013
External links
edit
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