Abstract
Forests provide a range of ecosystem services, including bioenergy supply and carbon sequestration, both contributing to significant climate change mitigation. Oleaginous trees have potential to provide bioenergy supplies through biodiesel-producing seed yield as well as contributing to carbon sequestration. This paper aims to show the provisions of bioenergy and carbon savings through forest rotation management and it will investigate the potential of oleaginous forest management in China. We use the land expectation value (LEV) model to calculate the optimal joint values of timber, seed and total carbon savings, including carbon sequestration from forest and carbon reductions through energy substitutions. The results indicate that combining both values of seeds and carbon savings increase the LEV and rotation age (167,611 Yuan/ha, 78 years) compared to sole timber value (26,053 Yuan/ha, 55 years). The optimization of the LEVs and the resulting optimal rotation ages are significantly sensitive to the discounting rate. Annual biodiesel potential production from Pistacia chinensis can take up 1.7% of the national diesel consumption in China. We conclude that China can use improved forest rotation management as an effective means for achieving goals in its low-carbon energy strategy.
Highlights
The 2015 Paris Climate Conference resulted in an agreement to keep global warming below2 ◦ C [1]
It presents the land expectation value (LEV) and optimal rotation age results in a reference scenario (RS) based on interviews, recent market information, and literature, which is followed by sensitivity analysis of the changes from both market economic factors and seed production factors
Related prices were adjusted according to the consumer price index (CPI) [38,39]
Summary
The 2015 Paris Climate Conference resulted in an agreement to keep global warming below2 ◦ C [1]. The 2015 Paris Climate Conference resulted in an agreement to keep global warming below. China has committed to peaking CO2 emissions by 2030 [2,3]. Curbing large emissions through reductions can conflict with China’s rapid economic growth. There is strong motivation to develop new and alternative energy sources to stay in line with the Paris agreement with minimal impact on economic growth. Forest-based bioenergy provides an energy supply and contributes to greenhouse gas (GHG) reductions. Initiatives in heavily-forested European Union (EU) countries, like Finland and Sweden [4] provide a model for bioenergy supply and climate change mitigation potential
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