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Achieving national scale targets for carbon sequestration through afforestation: Geospatial assessment of feasibility and policy implications
Environmental Science & Policy ( IF 6 ) Pub Date : 2021-07-08 , DOI: 10.1016/j.envsci.2021.06.023
Thomas Burke 1 , Clare Rowland 2 , James Duncan Whyatt 1 , George Alan Blackburn 1 , Jon Abbatt 1
Affiliation  

To explore the feasibility of meeting recently proposed large-scale tree planting targets, a UK wide assessment of land available for afforestation was carried out, considering a range of physical, environmental and policy constraints in three hypothetical planting scenarios. Results show there is sufficient space to meet these targets in all three scenarios, even if planting is prevented on good to moderate quality agricultural land and within protected areas. However, this would require planting on a large proportion of unconstrained land, especially for the more ambitious targets, which is unevenly distributed across the UK. This would limit opportunities for spatially targeting woodland creation, which may restrict the provision of additional ecosystem services such as air pollution control and recreation, and induce widespread negative impacts on landscapes and communities. In order to overcome these limitations, relaxing constraints, such as permitting afforestation of higher quality agricultural land, will need to be considered. Meeting many of the proposed afforestation targets would result in a transformational change in British land cover, which could replace or significantly impact the business models of tens of thousands of farms, and see the replacement of hundreds of thousands to millions of hectares of grassland, arable and horticultural land and other land covers. This would require rates of planting that far exceed those seen historically. Policies and mechanisms that could be used to encourage this planting, both by the state and private sectors, are discussed.



中文翻译:

通过植树造林实现全国范围的固碳目标:可行性和政策影响的地理空间评估

为了探索实现最近提出的大规模植树目标的可行性,在三个假设的种植场景中考虑了一系列物理、环境和政策限制,对英国可用于植树造林的土地进行了广泛的评估。结果表明,即使在优质至中等质量的农业用地和保护区内禁止种植,在所有三种情景中仍有足够的空间来实现这些目标。然而,这将需要在大部分不受约束的土地上种植,特别是对于更雄心勃勃的目标,这些目标在英国各地分布不均。这将限制以空间为目标的林地创造机会,这可能会限制提供额外的生态系统服务,例如空气污染控制和娱乐,并对景观和社区造成广泛的负面影响。为了克服这些限制,需要考虑放宽限制,例如允许在更高质量的农田上植树造林。实现许多拟议的植树造林目标将导致英国土地覆盖的转型变化,这可能会取代或显着影响数万个农场的商业模式,并取代数十万至数百万公顷的草地、可耕地和园艺用地和其他土地覆盖物。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。需要考虑放宽限制,例如允许在更高质量的农业用地植树造林。实现许多拟议的植树造林目标将导致英国土地覆盖的转型变化,这可能会取代或显着影响数万个农场的商业模式,并取代数十万至数百万公顷的草地、可耕地和园艺用地和其他土地覆盖物。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。需要考虑放宽限制,例如允许在更高质量的农业用地植树造林。实现许多拟议的植树造林目标将导致英国土地覆盖的转型变化,这可能会取代或显着影响数万个农场的商业模式,并取代数十万至数百万公顷的草地、可耕地和园艺用地和其他土地覆盖物。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。实现许多拟议的植树造林目标将导致英国土地覆盖的转型变化,这可能会取代或显着影响数万个农场的商业模式,并取代数十万至数百万公顷的草地、可耕地和园艺用地和其他土地覆盖物。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。实现许多拟议的植树造林目标将导致英国土地覆盖的转型变化,这可能会取代或显着影响数万个农场的商业模式,并取代数十万至数百万公顷的草地、可耕地和园艺用地和其他土地覆盖物。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。这将需要远远超过历史上的种植率。讨论了国家和私营部门可以用来鼓励这种种植的政策和机制。

更新日期:2021-07-08
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