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The Big Tree Plant : ウィキペディア英語版 | The Big Tree Plant Launched in December 2010, The Big Tree Plant is a Government-sponsored campaign in England to promote the planting of one million trees in neighbourhoods where people live and work.〔(The Big Tree Plant: new partnership to plant one million trees ), DEFRA, published 2010-12-02, accessed 2010-12-09〕〔(Aims of The Big Tree Plant ), Forestry Commission, accessed 2010-12-09〕 The campaign will run over four years from 2011 to 2015, and is the first such initiative since ''Plant A Tree In '73''.〔〔 ==Background== The campaign aims to halt the ongoing decline in urban and semi-urban tree planting in England.〔 The decline was highlighted by a survey of urban trees in England carried out in 2005 (published as the report ''Trees in Towns II'' in 2008), which found that there had been a 'big reduction' in urban tree planting (compared to a similar 1992 survey) leading to an 'unsatisfactory age structure' with too few young trees, and which concluded that the issue should be 'urgently addressed'.〔(Trees in Towns II ), Department for Communities and Local Government, published 2008-02-18, accessed 2010-12-09〕 In London a separate 2007 report, ''Chainsaw Massacre'', found that there were concerns about planting rates in some boroughs, and that mature broadleaf street trees throughout London were under 'severe threat' due to a mixture of development pressures, reduced expenditure, public apathy and antipathy, and (often unsubstantiated) concerns by insurance companies, solicitors and home-owners over subsidence.〔(Chainsaw massacre: A review of London's street trees ) Greater London Authority, published 2007-05-01, accessed 2010-12-09〕 Both reports also express concern over the practice of planting smaller ornamental species rather than native broadleaf trees such as plane, lime and oak.
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