Bridging mapping and simulation modelling in the ecosystem service assessments of boreal forests:effects of bioenergy production on carbon dynamics


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Background:Increasing the use of forest harvest residues for bioenergy production reduces greenhouse emissions from the use of fossil fuels.However,it may also reduce carbon stocks and habitats for deadwood dependent species.Consequently,simple tools for assessing the trade-offs of alternative management practices on forest dynamics and their services to people are needed.The objectives of this study were to combine mapping and simulation modelling to investigate the effects of forest management on ecosystem services related to carbon cycle in the case of bioenergy production;and to evaluate the suitability of this approach for assessing ecosystem services at the landscape level.Stand level simulations of forest growth and carbon budget were combined with extensive multi-source forest inventory data across a southern boreal landscape in Finland.Stochastic changes in the stand age class distribution over the study region were simulated to mimic variation in management regimes.Results:The mapping framework produced reasonable estimates of the effects of forest management on a set of key ecosystem service indicators:the annual carbon stocks and fluxes of forest biomass and soil,timber and energy-wood production and the coarse woody litter production over a simulation period 2012–2100.Regular harvesting,affecting the stand age class distribution,was a key driver of the carbon stock changes at a landscape level.Extracting forest harvest residues in the final felling caused carbon loss from litter and soil,particularly with combined aboveground residue and stump harvesting.It also reduced the annual coarse woody litter production,demonstrating negative impacts on deadwood abundance and,consequently,forest biodiversity.Conclusions:The refined mapping framework was suitable for assessing ecosystem services at the landscape level.The procedure contributes to bridging the gap between ecosystem service mapping and detailed simulation modelling in boreal forests.It allows for visualizing ecosystem services as fine resolution maps to support sustainable land use planning.In the future,more detailed models and a wider variety of ecosystem service indicators could be added to develop the method.
机译:背景:增加生物能源生产森林收获残余物的使用减少了使用化石燃料的温室排放。然而,它也可以减少弥补依赖物种的碳储存和栖息地。应对替代的简单工具,用于评估替代管理权的权衡需要对森林动态及其服务的措施。本研究的目标是结合绘图和仿真建模,以研究森林管理对生物能源生产中碳循环相关的生态系统服务的影响;并评​​估适用性这种方法,用于评估景观水平的生态系统服务。森林增长和碳预算的景观级别模拟与芬兰南部北方横向景观的广泛多源林库存数据相结合。在研究中的立场阶级分布的各级变化模拟区域以模仿管理制度的变化。结果:TH e Mapping Framework产生了合理估计森林管理对一系列关键生态系统服务指标的影响:森林生物量和土壤,木材和能源木材生产的年度碳储量和沟通,2012年仿真期间的粗木质垃圾产量-2100.影响实体阶级分布的收获,是碳储备在景观水平上变化的关键驱动因素。提取森林收获残余物在最终砍伐中引起垃圾和土壤的碳损失,特别是在地上残留物和树桩组合收获。还减少了年度粗糙的木质垃圾生产,展示了对死木丰富的负面影响,从而造成森林生物多样性。结论:精致的映射框架适用于评估景观水平的生态系统服务。该程序有助于弥补跨越差距生态系统服务映射和北方林中的详细仿真建模。允许v将生态系统服务视为可持续土地利用策划的精细分辨率地图。将来,可以添加更详细的模型和更广泛的生态系统服务指示器来开发方法。


  • 来源
    《森林生态系统:英文版》 |2021年第001期|P.35-49|共15页
  • 作者单位

    Finnish Environment Institute SYKE Biodiversity Centre Latokartanonkaari 11 FI-00790 Helsinki FinlandUniversity of Helsinki Department of Geosciences and Geography P.O.Box 64 FI-00014 Helsinki Finland;

    Natural Resources Institute Finland(Luke) P.O.Box 2 FI-00791 Helsinki Finland;

    VTT Technical Research Centre of Finland LTD P.O.Box 1000 FI-02044 VTT Espoo Finland;

    Finnish Meteorological Institute Climate System Research Unit P.O.Box 503 FI-00101 Helsinki Finland;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 F42;
  • 关键词

    Carbon budget; Ecosystem services; Forest management; Forest bioenergy; Landscape level; Mapping; Modelling;

  • 入库时间 2022-08-19 04:57:58
  • 写作辅导
  • 期刊发表


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