Treshnish Isles SAC

Status: Designated

Description

Site overview

These isles are a remote chain of uninhabited islands and skerries situated in south-west Scotland. They support a breeding colony of grey seals, which make up just under 3% of annual UK pup numbers. 

MPA Type

Special Area of Conservation

Special Areas of Conservation (SACs) are strictly protected sites designated under European legislation. They contribute both to the UK MPA network and set up to protect habitat types and species considered to be most in need of conservation at a European level (excluding birds).

Designation date

1 March 2001

Surface Area

19.61 km2 (7.57 mi.2)

Perimeter

19.41 km (12.06 mi.)

  • Grey seal (Halichoerus grypus)

    Among the rarest seals in the world - the UK population makes up 40% of the total global population. Grey seals spend most of their life at sea, only coming ashore to breed.

  • Reefs

    Areas where the bedrock, stable boulders and cobbles or structures created by animals arise from the surrounding seabed. They attract and provide a home to a huge variety of plant and animal life.

Did you know?…

An area over 9 times the size of Wales is now in marine protected areas in the UK, but less than 1% is considered by MCS scientists to be well managed

To the shelf limits, Scotland has 61% of UK waters, of which 23% are now in existing or new ‘marine protected areas’

Over 170 parliamentarians from across the political spectrum signed up to our Marine Charter calling for a network of ‘marine protected areas’ in UK Seas