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首页> 外文期刊>Chinese science bulletin >Ecosystem valuation and the conservation of wild lands in vigorous economic regions: A case study in Jiuduansha Wetland, Shanghai
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Ecosystem valuation and the conservation of wild lands in vigorous economic regions: A case study in Jiuduansha Wetland, Shanghai

机译：蓬勃经济区的生态系统价值评估与野生土地保护：以上海九段沙湿地为例

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As the loss of wild lands to satisfy traditional economic development has become a global environmental problem in recent decades, using ecosystem valuation to estimate the total economic value (TEV) of an ecosystem has become popular. The main purpose of the ecosystem valuation is to strengthen the importance of ecosystems, and bring the ecosystem services into the traditional cost-benefit analyses of land use strategy. Some studies have illustrated that in remote areas, wilderness can produce morevalue if it is conserved, rather than converted to traditional agricultural or industrial uses. The same situation does not seem to exist in vigorous economic regions. Thus, a case study was conducted on the Jiuduansha Wetland in Shanghai using three approaches: the direct market valuation, the replacement valuation and the contingent valuation. The net present TEVs of three land use scenarios over one hundred years were evaluated. The results proved that simply based on ecosystem valuation, when compared with the other two scenarios of "conservation" and "selective use", "partial conversion into terrene (dry land)" of Jiuduansha might be the optimal scenario for the well-being of the people in Shanghai. Land price was identified as the most importantfactor. This situation is likely due to the scarcity of land available for traditional economic development in Shanghai. Thus, we speculated that the fate of the wilderness to "be destroyed" in vigorous economic regions could not be changed simply basedon ecosystem valuation. However, the variety of interest by local residents in wilderness might enhance the TEVs of scenarios such as "conservation" and "selective use", and affect the valuation results. Since some important benefits of natural ecosystems remain unknown and others are underestimated, we suggested that any land use decisions regarding the Jiuduansha Wetland should be conservative and cautious as converting wetlands into terrene is an irreversible process.
机译：近几十年来，由于荒地丧失以满足传统经济发展已成为全球性的环境问题，因此，使用生态系统评估来估算生态系统的总经济价值（TEV）变得很普遍。生态系统评估的主要目的是加强生态系统的重要性，并将生态系统服务纳入传统的土地利用战略成本效益分析。一些研究表明，在偏远地区，荒野只要得到保护就可以产生更多价值，而不是转化为传统的农业或工业用途。蓬勃发展的经济区域似乎不存在相同的情况。因此，使用三种方法对上海九段沙湿地进行了案例研究：直接市场估值，替代估值和或有估值。评估了一百年中三种土地利用情景的净现值TEV。结果证明，仅基于生态系统评估，与其他“保护”和“选择性使用”方案相比，九段沙的“部分转化为terrene（旱地）”可能是实现福祉的最佳方案。上海人。土地价格被确定为最重要的因素。这种情况很可能是由于上海传统经济发展可用的土地稀缺。因此，我们推测，仅基于生态系统评估就无法改变在充满活力的经济区域中被“破坏”的荒野的命运。但是，当地居民在旷野中的兴趣变化可能会增强“保护”和“选择性使用”等情景的TEV，并影响评估结果。由于自然生态系统的一些重要利益仍然未知，而其他利益却被低估了，因此我们建议，关于九段沙湿地的任何土地使用决策都应保持谨慎和谨慎，因为将湿地转化为萜烯是不可逆转的过程。

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