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Economic case for sustainable peatland management: A case study in Kahayan-Sebangau Peat Hydrological Unit, Central Kalimantan, Indonesia
Land Use Policy ( IF 6.189 ) Pub Date : 2023-05-29 , DOI: 10.1016/j.landusepol.2023.106749
Rizky Januar , Eli Nur Nirmala Sari , Surahman Putra

As Indonesia continues to promote peatland restoration to serve its climate target, current policies and economic practices on peatlands remain to be fully consolidated with conservation principles. Meanwhile, studies comparing costs and benefits of different peatland management models are limited. This study applies economic cost-benefit analysis on two peatland management scenarios, with a case study in Kahayan-Sebangau Peat Hydrological Unit (PHU), Central Kalimantan province. The first scenario consists of current peatland management and restoration practices, in line with existing policy target. Second scenario proposes implementation of strengthened peatland rewetting, paludiculture, and cessation of drainage-based operations, among others. Information on the costs and benefits was collected through a survey of 690 respondents, combined with literature review. Monte Carlo simulation technique is applied to account for parametric uncertainty within the cost-benefit analysis. The result shows that second scenario results in higher average Net Present Value in 50 years compared to the first scenario, with approximately 21% difference. This implies that peatlands may generate higher long-term societal welfare when conservation principles are fully endorsed, and the restoration ambition is enhanced. Also, improving the spatial alignment of Central Kalimantan land use plan (Rencana Tata Ruang Wilayah / RTRW) with the proposed land utilization model in second scenario may further prevent negative impact of emissions in the PHU, compared to the case where the existing RTRW is wholly implemented.



中文翻译:

可持续泥炭地管理的经济案例:印度尼西亚中加里曼丹 Kahayan-Sebangau 泥炭水文单位的案例研究

随着印度尼西亚继续促进泥炭地恢复以服务于其气候目标,目前关于泥炭地的政策和经济实践仍有待与保护原则充分结合。同时,比较不同泥炭地管理模式的成本和收益的研究也很有限。本研究对两种泥炭地管理情景进行了经济成本效益分析,以中加里曼丹省的 Kahayan-Sebangau 泥炭水文单位 (PHU) 为案例研究。第一种情况包括当前的泥炭地管理和恢复实践,符合现有的政策目标。第二种方案建议实施加强泥炭地再湿化、泥炭养殖和停止基于排水的作业等。通过对 690 名受访者的调查收集了有关成本和收益的信息,结合文献综述。蒙特卡洛模拟技术用于解释成本效益分析中的参数不确定性。结果显示,与第一种情况相比,第二种情况导致 50 年内的平均净现值更高,差异约为 21%。这意味着当保护原则得到充分认可并且恢复野心得到加强时,泥炭地可能会产生更高的长期社会福利。此外,改善中加里曼丹土地利用规划的空间排列(这意味着当保护原则得到充分认可并且恢复野心得到加强时,泥炭地可能会产生更高的长期社会福利。此外,改善中加里曼丹土地利用规划的空间排列(这意味着当保护原则得到充分认可并且恢复野心得到加强时,泥炭地可能会产生更高的长期社会福利。此外,改善中加里曼丹土地利用规划的空间排列(与完全实施现有 RTRW 的情况相比,Rencana Tata Ruang Wilayah / RTRW)在第二种情况下采用拟议的土地利用模型可以进一步防止排放对 PHU 的负面影响。

更新日期:2023-05-29
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