Heritage tree

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A heritage tree is typically a large, individual tree with unique value, which is considered irreplaceable. The major criteria for heritage tree designation are age, rarity, and size, as well as aesthetic, botanical, ecological, and historical value.[1] Heritage tree ordinances are developed to place limits upon the removal of these trees; the ordinances are oriented towards a specific tree, not a woodland.[2] Heritage trees in Singapore are protected by law under the Heritage Trees Scheme adopted on 17 August 2001. The oak is depicted as England's heritage tree.[3]

In the US, the first state-sponsored heritage tree program began in 1995 in Oregon with the Giant Sitka Spruce.[4] In Iowa, the Living Heritage Tree Museum contains descendants of famous trees.[5] In the state of Washington, there are several categories of heritage trees, such as Historical, Specimen, Rare, or Significant Grove.[6]

The city of Portland, Oregon maintains a database of trees designated as heritage trees. [7]

References

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  7. Urban Forestry | The City of Portland, Oregon