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Diversity m uroan tree populations

机译：多样性m uroan树群

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摘要

THERE is an increasing appreciation of the benefits trees provide, especially in the urban environment. It is generally accepted that more trees need to be planted. Ambitious numeric targets for tree planting, coupled with equally ambitious targets toincrease canopy cover by a certain number of percentage points, emerge on an almost daily basis, initiated by government, both central and local, along with the many initiatives of NGOs and community groups.Such initiatives at both local and national level are to be welcomed and, some would argue, long overdue. Yet, more often than not, there is a lack of any evidence base to support the achievability of such targets. The question 'what have we got?' remains largely unanswered and the question 'where do we want to be?' is rarely asked or defined in any sort of long-term strategic management plan for the urban forests of the UK. There is rarely a baseline which indicates the current position accurately, making it difficult if not impossible to strategically plan for urban forest development into the future.
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    《Forestry journal.》 |2021年第2期|共3页
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