基于资源等价分析法的海洋溢油生物资源损害评估
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中国海洋大学经济学院,中国海洋大学,国家海洋局北海监测中心,中国海洋大学经济学院

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教育部人文社科重点研究基地重大项目(13JJD790032);国家社会科学基金项目(12BJY064)


Marine biological damage assessment of oil spill based on resources equivalency analysis
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School of Economics,Ocean University of China,School of Economics,Ocean University of China,North China Sea Branch Of The State Oceanic Administration,School of Economics,Ocean University of China

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    摘要:

    评估海洋溢油造成的生物资源损害,对我国目前迫切需要制定的海洋生态补偿政策以及生态修复计划具有重要的现实意义。针对我国2011年渤海蓬莱19-3油田溢油事故,评估生物资源受损程度,利用资源等价分析法计算修复工程规模。结果表明,底栖生物和非底栖生物(包括浮游幼虫幼体、鱼卵、仔稚鱼等)的受损程度分别为30%和71.4%,受损面积分别为1600 km2和6400 km2。若以修建海洋生态保护区作为补偿修复工程,在修复期为20 a、贴现率为3%条件下,修复工程规模应为1059 km2,才能补偿溢油造成的底栖和非底栖生物资源损失。其结论可以作为海洋管理部门进行溢油生物资源损害评估和生态修复管理的技术依据。

    Abstract:

    Assessing the extent of biological resources damage resulting from oil spill could help the government meet the necessary requirements to develop policies on marine biological damage compensation and biological restoration. There have been a lot of researches conducted to assess the damage resulting from oil spill by using revealed and expressed preference techniques. Those researches provided some approaches to quantify the biological damage, and some useful management suggestions for government as well. However, the techniques used for assessing the damage remain controversial because some techniques tend to overstate actual losses and some computer programs cannot reflect reality accurately. Resource Equivalency Analysis (REA) is a tool for assessing biological resource damage which has been used in United States and other countries to identify restoration project for biological resource injured by oil spill and other anthropogenic actions. Termed "resource-resource", REA seeks to determine the amount of restoration needed to compensate the biological resource losses. Penglai 19-3 oil field, located in Bohai Bay, attracted much attention due to the accident of oil spill in June, 2011. Data from the investigation report revealed by State Oceanic Administration showed that the accident caused a lot of damage. The damage extents of benthos and non-Benthos are 30% and 71.4%, and the damaged areas are 1600 km2and 6400 km2, respectively. This paper assumes the marine ecological reserve as the restoration project, which could be built by releasing fish fry, building artificial fish reef, making sea grass bed and so on. The scale of the marine ecological reserve should be 1059km2 to achieve the initial level. REA is based on the provision that restoration services are equivalent to the level of marine biological resource damage, and this method requires discounting the future cost and benefit. Parameter sensitivities are analyzed and it turns out that some parameters of restoration could affect the result significantly: the maximum annual output of biological resource, starting time of restoration project and the service period. The increased of the maximum annual output could lead to a reduction of the scale of marine ecological reserve. It could also lead to a reduction if we build the restoration project soon and lengthen the service period, so the restoration project is indeed needed to be built up and come into play as soon as possible. This paper concludes that REA offers an alternative to traditional analysis to assess the biological damage. What's more, the results could be used as a reference for government to conduct biological damage assessment and restoration. Applying the REA method in assessing the biological resource damage is only in the beginning stages, and the theoretical discussion have not yet commenced. However, it provides a prospect for the continuation of in-depth empirical research into the future.

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李京梅,侯怀洲,姚海燕,王晓玲.基于资源等价分析法的海洋溢油生物资源损害评估.生态学报,2014,34(13):3762~3770

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  • 收稿日期:2013-05-25
  • 最后修改日期:2014-02-25
  • 录用日期:2014-02-19
  • 在线发布日期: 2014-07-23
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