白洋淀湿地生态系统最终服务价值评估
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中国科学院生态环境研究中心,长江水资源保护科学研究所,中国科学院生态环境研究中心,中国科学院生态环境研究中心,西南大学,中国科学院生态环境研究中心

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国家林业公益性行业科研专项(201204201)


Evaluation of the economic value of final ecosystem services from the Baiyangdian wetland
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Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences,Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences,Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences,Southwest University,Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

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    摘要:

    白洋淀湿地是华北平原最大的淡水湿地,为不同尺度的受益者提供了多项生态系统服务。开展白洋淀湿地生态系统最终服务(final ecosystem services)价值评估能用直观的经济数据揭示白洋淀湿地生态系统对不同尺度受益者的直接贡献,为白洋淀湿地生态保护创建生态补偿等经济驱动机制。基于白洋淀湿地生态特征和受益者分析,确定了白洋淀湿地生态系统最终服务价值评估指标体系,并以2011年可利用数据为基础,综合运用市场价值法、替代成本法、个体旅行费用模型法和支付卡式条件价值法评估了白洋淀湿地提供给人类的经济价值。评估结果表明:2011年白洋淀湿地生态系统服务总价值为35.55×108元,其中调蓄洪水和休闲娱乐是白洋淀提供的主导服务。对所评估的8项生态系统最终服务按价值量排序,依次为调蓄洪水 > 休闲娱乐 > 淡水产品 > 原材料生产 > 非使用价值 > 水资源供给 > 释氧 > 固碳。评估结果比较全面地反映了白洋淀湿地对受益者的直接贡献,不仅能提高管理部门和受益者的湿地保护认知,也为管理部门确定白洋淀湿地生态补偿标准提供了重要数据基础。同时,评估指标的确定为区分白洋淀湿地生态系统中间服务和最终服务,构建白洋淀湿地生态系统服务监测指标体系,开展白洋淀湿地生态系统最终服务动态评价、权衡分析及驱动因子研究提供了重要方向,有助于湿地生态系统服务研究由静态评估向湿地生态系统服务的优化管理方向发展。

    Abstract:

    Baiyangdian Lake is the biggest freshwater lake in Northern China, and plays an important role in providing considerable benefits to the region. However, conflicting interests among different stakeholders is hindering cooperation in regulating regional environmental problems that threaten the ability of Baiyangdian Lake to sustain multiple ecosystem services flows. Final ecosystem services are components of nature that are explicitly connected to aspects of human well-being that have direct value to society. Economic valuation of Baiyangdian wetland ecosystem services can reveal the direct contribution of lake ecosystems to human well-being, which can inform the development of ecological compensation measures to incentivize cooperation among stakeholders toward reasonable wetland management. In this study, we first divided the ecosystem services of the Baiyangdian wetland into three categories based on the ‘The Economics of Ecosystems and Biodiversity’ and ‘Millennium Ecosystem Assessment’ frameworks: provisioning services, regulating services, and cultural services. Second, we established a final ecosystem services valuation system based on the interactions between Baiyangdian ecosystem characteristics and regional socio-economic conditions, and determined the final services of concern to policy makers that provide direct benefits to society to avoid double-counting. We then comprehensively valued the direct use value, indirect use value, and non-use value from the 8 final ecosystem services provided by Baiyangdian wetland for 2011, using the market price, replacement cost, individual travel cost, and contingent valuation (pay card) methods. The total value of the ecosystem services from Baiyangdian wetland was estimated to be 35.55×108 Yuan RMB for 2011. Based on the valuation results, the 8 final ecosystem services were ranked from greatest to lowest value as follows: flood control, recreation and tourism, aquatic products, raw material products, non-use value, water resources provision, oxygen release, and carbon sequestration. The values of flood control and recreation and tourism were 14.97×108 and 13.15×108 Yuan per year, accounting for 42.11% and 36.99% of the total value, respectively. The results of this study reflect the multiple contributions of the Baiyangdian wetland to regional stakeholders. This information will help to increase environmental awareness among both the public and decision-makers, and will be useful to managers for developing economic incentives to coordinate different stakeholders to minimize tradeoffs. Lastly, the final service indicator system presented in this paper offers guidance on establishing monitoring programs to incorporate ecosystem services into wetland management.

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江波,陈媛媛,肖洋,赵娟娟,欧阳志云.白洋淀湿地生态系统最终服务价值评估.生态学报,2017,37(8):2497~2505

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