Site of Special Scientific Interest

notifiedbiological Site of Special Scientific InterestSites of Special Scientific InterestSSSIgeological Site of Special Scientific Interestsite of Special Scientific Interest (SSSI)biological and geological Site of Special Scientific InterestSSSIsSites of Special Scientific Interest (SSSI)Site of Special Scientific Importance
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.wikipedia
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Special Protection Area

SPASpecial Protection Areasbird reserve
SSSI/ASSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in the United Kingdom are based upon them, including national nature reserves, Ramsar sites, Special Protection Areas, and Special Areas of Conservation.
In Great Britain, SPAs (and SACs) designated on land or in the intertidal area are normally also notified as Sites of Special Scientific Interest (SSSIs), and in Northern Ireland as Areas of Special Scientific Interest (ASSIs).

Conservation designation

conservationconservation designationsdesignated conservation areas
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

Geological Conservation Review

GCRGeological Conservation Review siteGeological Conservation Review sites
Each of these sites is described, with most published in the Geological Conservation Review series, and so becomes a GCR site.
It aimed to provide the scientific rationale and information base for the conservation of geological SSSIs (Sites of Special Scientific Interest, protected under British law (latterly the Wildlife and Countryside Act 1981, as amended 1995).

Natural England

English NatureNatural Englands
In England, the designating body for SSSIs, Natural England, selects biological SSSIs from within natural areas which are areas with particular landscape and ecological characteristics, or on a county basis.
Its powers include defining ancient woodlands, awarding grants, designating Areas of Outstanding Natural Beauty and Sites of Special Scientific Interest, managing certain national nature reserves, overseeing access to open country and other recreation rights, and enforcing the associated regulations.

Scottish Natural Heritage

Countryside Commission for ScotlandScottish National HeritageNature Conservancy Council for Scotland
In Scotland, the designating authority is Scottish Natural Heritage; the role in Wales is performed by Natural Resources Wales (formerly the Countryside Council for Wales).
It advises the Scottish Government and acts as a government agent in the delivery of conservation designations, i.e. national nature reserves, local nature reserves, long distance routes, national parks, Sites of Special Scientific Interest (SSSIs), Special Areas of Conservation, Special Protection Areas and the national scenic areas.

Natural Resources Wales

Forestry Commission WalesNRWNatural Resources Wales (NRW)
In Scotland, the designating authority is Scottish Natural Heritage; the role in Wales is performed by Natural Resources Wales (formerly the Countryside Council for Wales).

Wildlife and Countryside Act 1981

Wildlife and Countryside ActWildlife and Countryside Act of 1981Area of Special Protection
SSSIs were originally set up by the National Parks and Access to the Countryside Act 1949, but the current legal framework for SSSIs is provided in England and Wales by the Wildlife and Countryside Act 1981, amended in 1985 and further substantially amended in 2000 (by the Countryside and Rights of Way Act 2000), in Scotland by the Nature Conservation (Scotland) Act 2004 and in Northern Ireland by the Nature Conservation and Amenity Lands (Northern Ireland) Order 1985.
In short, the act gives protection to native species (especially those at threat), controls the release of non-native species, enhances the protection of Sites of Special Scientific Interest and builds upon the rights of way rules in the National Parks and Access to the Countryside Act 1949.

Countryside Council for Wales

CCW
In Scotland, the designating authority is Scottish Natural Heritage; the role in Wales is performed by Natural Resources Wales (formerly the Countryside Council for Wales).
Wales has 70 National Nature Reserves, three National parks, five Areas of Outstanding Natural Beauty (AONBs), and Sites of Special Scientific Interest cover around 12% of Wales.

Special Area of Conservation

Special Areas of ConservationSACSpecial Area of Conservation (SAC)
SSSI/ASSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in the United Kingdom are based upon them, including national nature reserves, Ramsar sites, Special Protection Areas, and Special Areas of Conservation.

The Wash

WashcoastCrown Jewels of England
Neglected areas include Exmoor, the Lake District, the Pennines and The Wash.
It is a 62,046 ha biological Site of Special Scientific Interest.

Exmoor

Exmoor National ParkExmoor National Park AuthorityForest of Exmoor
Neglected areas include Exmoor, the Lake District, the Pennines and The Wash.
Several areas within the Exmoor National Park have been declared Sites of Special Scientific Interest due to their flora and fauna.

List of the largest Sites of Special Scientific Interest in England

This is a list of the largest Sites of Special Scientific Interest in England in decreasing order of size.

Nature Conservancy Council

Nature Conservancy Council for Scotland
For the purposes of selecting the original tranche of SSSIs, Natural England's predecessors (the Nature Conservancy, the Nature Conservancy Council and English Nature) used a system termed "Areas of Search" (AOSs).

Site of Special Scientific Interest (Hong Kong)

Site of Special Scientific InterestBiosphere reserves in Hong KongHong Kong

Great Britain

BritishBritainGBR
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

Isle of Man

ManxMannIsle of Mann
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

Northern Ireland

Northern IrishIrishNIR
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

Protected area

conservation areaprotected areasprotected landscape
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

United Kingdom

BritishUKBritain
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

Conservation (ethic)

conservationnature conservationConservation ethic
SSSI/ASSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in the United Kingdom are based upon them, including national nature reserves, Ramsar sites, Special Protection Areas, and Special Areas of Conservation.

National nature reserve (United Kingdom)

national nature reserveNNRNational Nature Reserves
SSSI/ASSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in the United Kingdom are based upon them, including national nature reserves, Ramsar sites, Special Protection Areas, and Special Areas of Conservation.

Ramsar Convention

RamsarRamsar siteRamsar Convention on Wetlands
SSSI/ASSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in the United Kingdom are based upon them, including national nature reserves, Ramsar sites, Special Protection Areas, and Special Areas of Conservation.

Acronym

initialismacronymsinitials
The acronym "SSSI" is often pronounced "triple-S I".