Biodiversity Action Plan

Glossary

Ancient woodland

Sites which have had continuous woodland cover since AD 1600 to the present day, though some sites may have been replanted at some point in the past

Countryside Stewardship (CS)

A grant aid package administered by DEFRA / RDS

Eutrophication

The over-enrichment of an aquatic habitat with inorganic nutrients, typically from sewage discharge or agricultural chemicals.

National Vegetation Classification (NVC)

A system used to identify different vegetation types

Natural Area

A concept, introduced by English Nature, for defining areas based on their characteristic wildlife, landscape and geology

Site of Ecological or Geological Importance (SEGI)

A site of local importance for wildlife or geology

Site of Special Scientific Interest (SSSI)

An area of land or water notified by a statutory conservation agency under the Wildlife and Countryside Act 1981 as being of national nature or geological conservation importance

Special Protection Area (SPA)

A site of international importance for birds designated under the Birds Directive by the UK Government

Tree Preservation Order (TPO)

An order made by the local planning authority which, in general, makes it an offence to cut down, top, lop, uproot wilfully damage or destroy a tree without the planning authority's permission

Unitary Development Plan (UDP)

A document setting out the strategic framework for the use of land and detailed policies and specific proposals for development

Wildlife site

A site of wildlife importance such as a SEGI or SSSI.

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Last Updated: 15/07/2011