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Biodiversity and ecosystem services net gain assessment: A comparison of metrics
Ecosystem Services ( IF 6.1 ) Pub Date : 2020-06-30 , DOI: 10.1016/j.ecoser.2020.101145
Alistair McVittie , Michela Faccioli

Biodiversity offsetting aims to mitigate the impacts of development through habitat restoration or creation. Biodiversity net gain seeks to go further by achieving an increase in biodiversity. There is further interest in the wider ecosystem services impacts of development, although this broader scope may increase the resources required for assessments. We apply a habitat map based approach to biodiversity and ecosystem services net gain on a site in central Scotland where there is a proposal combining development, land use change and habitat creation. The results suggest that biodiversity net gain can be achieved through trading-up to more distinctive habitats and improving habitat condition. The loss of ecosystem services was not offset, whether considering the potential for the affected habitats to supply services, or the demand for services as indicated by their value. However, the valuation did not account for changes in the numbers of service beneficiaries, although these will increase the value of services the pressure on supply is also increased. The broadening of the application of ecosystem services assessments into planning and development also creates trade-offs between the sophistication of assessment approaches and their usability by non-specialist practitioners.



中文翻译:

生物多样性和生态系统服务净收益评估:指标比较

生物多样性抵消旨在通过恢复或创造栖息地来减轻发展的影响。生物多样性的净收益力求通过增加生物多样性来走得更远。尽管发展范围更广可能会增加评估所需的资源,但人们对发展对生态系统服务的更广泛影响产生了进一步的兴趣。我们在苏格兰中部的一个地点将基于栖息地地图的方法应用于生物多样性和生态系统服务的净收益,该地点提出了将开发,土地用途变更和栖息地创建相结合的建议。结果表明,可以通过换用更独特的生境和改善生境条件来实现生物多样性的净收益。无论是否考虑到受影响生境提供服务的潜力,生态系统服务的损失都无法抵消,或以其价值表示的对服务的需求。然而,估值并未考虑服务受益人数量的变化,尽管这些将增加服务价值,供应压力也随之增加。生态系统服务评估在规划和发展中的应用范围的扩大,也在评估方法的复杂性和非专业从业者的可用性之间造成了折衷。

更新日期:2020-06-30
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