Indonesia offers a dramatic opportunity to contribute to tackling climate change by deploying Natural Climate Solutions (NCS), increasing carbon sequestration and storage through the protection, improved management, and restoration of drylands, peatlands, and mangrove ecosystems. Here, we estimate Indonesia's NCS mitigation opportunity for the first time using national datasets. We calculated the maximum NCS mitigation potential extent using datasets of annual national land cover, peat soil, and critical lands. We collated a national emissions factor database for each pathway, calculated from a meta-analysis, recent publications from our team, and available literature. The maximum NCS mitigation potential in 2030 is 1.3 ± 0.04 GtCO2e yr-1, based on the historical baseline period from 2009–2019. This maximum NCS potential is double Indonesia’s NDC (Nationally Determined Contribution) target from the Forestry and Other Land Use (FOLU) sector. Of this potential opportunity, 77% comes from wetland ecosystems. Peatlands have the largest NCS mitigation potential (960 ± 15.4 MtCO2e yr-1 or 71.5 MgCO2e ha-1 yr-1) among all other ecosystems. Mangroves provide a smaller total potential (41.1 ± 1.4 MtCO2e yr-1) but have a much higher mitigation density (12.2 MgCO2e ha-1yr-1) compared to dryland ecosystems (2.9 MgCO2e ha-1 yr-1). Therefore, protecting, managing, and restoring Indonesia’s wetlands is key to achieving the country’s emissions reduction target by 2030. The results of this study can be used to inform conservation programs and national climate policy to prioritize wetlands and other land sector initiatives to fulfill both Indonesia’s Nationally Determined Contribution (NDC) by 2030, while simultaneously providing additional co-benefits and contributing to COVID-19 recovery and economic sustainability.
Biodiversity conservation is often considered to be an important co-benefit of REDD+and other mechanisms aiming to increase carbon in biomass and soil to mitigate climate change. This reasoning is based on the assumption that the level of biodiversity and ecosystem carbon are positively correlated. Firstly, however, studies have shown both positive and negative relationships. Secondly, incentives for additional ecosystem carbon do not trigger random or all potential changes in land-use, but often concentrate on one or a few specific changes that could have an opposite effect than the general trend indicates. Therefore, it is important to study biodiversity impacts of plausible measures to increase carbon. We obtained land-use scenarios on pathways to increase carbon based on 97 faceto-face interviews of local land-use experts in twelve landscapes in seven countries and five continents. We then conducted another set of face-to-face interviews with biodiversity experts yielding 2963 estimations concerning the value of land-use classes for 264 taxa of fauna and flora in these landscapes. We found positive carbon to biodiversity relationships in ten of the twelve landscapes. The biodiversity impacts of measures to increase carbon were positive in eleven of the twelve landscapes. Our results indicate that a random land-use change that increases biodiversity is also likely to increase carbon and vice versa.
The changing regulation for community plantation forest (CPF) from social forestry point of view into a business-oriented context has no significant effects on its capital strengthening. Limited capital becomes an obstacle for farmers to develop the CPF area. It encourages the CPF to conduct a partnership scheme with the nearest company in its working area. The objectives of the research are to evaluate the partnership scheme and to make improvements from the evaluation results. The research method used is descriptive analysis and quantitative approach. The results show that many problems have been raised during the partnership implementation as farmers have no bargaining position, the company’s log price is not feasible, and no explanation on how the price is determined. The profit margin of the CPF is the lowest (Rp98,000/ton wood) or 11.8% among the parties involved in the wood plantation businesses. Therefore, the partnership scheme must be improved for better prosperity of CPF farmers through shifting from partnership CPF to self-sufficient CPF. This shifting provides a high bargaining position and better revenue for the CPF farmers.
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