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Conifers account for around one half (51%) of the UK woodland area, although this proportion varies from around one quarter (26%) in England to around three quarters (74%) in Scotland. [8] Britain's native tree flora comprises 32 species, of which 29 are broadleaves. The UK's industry and populace uses at least 50 million tonnes of timber a year.
A tree can be defined as a large, perennial, woody plant with secondary branches supported by a primary stem (compare with shrub). There is no set definition regarding minimum size, though most authors cite a tree species as being one which regularly reaches 6 m (20 ft) tall with a single stem. [ 1 ]
The Tree Register, or more fully, the Tree Register of the British Isles (T.R.O.B.I.), is a registered charity [2] run by volunteers, collating and updating a database of notable trees throughout Britain and Ireland. It comprises a computer database which in 2022 contained details of 250,000 trees.
The National Address Gazetteer is a database designed to provide a definitive source of publicly owned spatial address data for Great Britain. [1] It is a culmination of Local Land and Property Gazetteers (collectively known as the National Land and Property Gazetteer (NLPG)) and other datasets: Address Layer 2 (AL2) and Royal Mail PAF data.
OS MasterMap Address Layer 2 is a dataset that describes the location of addresses. It is designed to be used as a means of geo-referencing addresses and attempts to improve on Address Point. Address Layer is a part of the National Spatial Address Infrastructure and contains National Land and Property Gazetteer attributes that classify ...
A tree inventory should provide tree species, preferably in binomial nomenclature (Latin names), size, such as DBH (diameter at breast height) and tree height, crown width, overall condition such as health and maintenance needs, overcrowding, possible problems, presence or absence of insects or diseases. Characteristics of the site should also ...
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Diameter at breast height (DBH) – measurement of a tree's girth standardized with different countries having different standards they are often at 1.3 meters (about 4.5 feet) above the ground Form factor – the shape of the tree, based on recorded trees and commonly then given for calculating tree volumes for a given species.
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