School of Economics & Management, Beijing Forestry University, Beijing, 100083, China.
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, China.
Environ Sci Pollut Res Int. 2020 Aug;27(22):27773-27785. doi: 10.1007/s11356-020-09013-7. Epub 2020 May 12.
In this study, the forest landscape in the Beijing mountain area is assessed using the Integrated Valuation of Ecosystem Services and Tradeoffs model. The results showed the natural forests have higher functional capital than the planted forests and different species contribute to different ecological functions. Specifically, Larix gmelinii forests have the highest water resources and soil conservation function which are about 334.14 m hm year and 115.92 t hm year; Betula allegansis forests have the highest carbon storage and biodiversity function which are about 128.46 t hm year and 0.76. Besides soil, water is conserved more within coniferous forests than within broadleaf forests. Carbon sequestration and the functional capacity for biodiversity within a unit area of coniferous forests are much smaller than those within a unit area of a broadleaf forest. Previous studies highlight the forest management strategies will influence the ecosystem functions while in the current studies we also found the species option during the afforestation is equally important and protecting of the natural forests is more important than afforestation for maintaining the ecological functional capitals.
本研究运用综合生态系统服务价值和权衡模型评估了北京山区的森林景观。结果表明，天然林具有比人工林更高的功能资本，不同的物种对不同的生态功能有贡献。具体来说，落叶松林具有最高的水资源和土壤保持功能，分别约为 334.14 m hm 年和 115.92 t hm 年；白桦林具有最高的碳储存和生物多样性功能，分别约为 128.46 t hm 年和 0.76。除了土壤，针叶林比阔叶林能储存更多的水。单位面积针叶林的碳固存和生物多样性功能能力均小于单位面积阔叶林。先前的研究强调了森林管理策略会影响生态系统功能，而在当前的研究中，我们还发现造林过程中的物种选择同样重要，保护天然林比造林更重要，以维持生态功能资本。
