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World Agriculture in a Dynamically-Changing Environment: ifpri's long-term outlook for food and agriculture under additional demand and constraints

Expert Meeting on How to feed the World in 2050







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    Coupling machine learning and forest simulations to promote the applicability of long-term forest projections under climate change perspectives
    XV World Forestry Congress, 2-6 May 2022
    2022
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    Projecting forest dynamics is the foundation for sound decision support in adaptive forest management. However, due to their complexity, many forest modeling techniques addressing global changes in terrestrial ecosystems are limited to scientific applications. Integrating conventional research and artificial intelligence technologies has the potential to bridge research and practical use. In this study, we propose a Machine Learning (ML) framework that facilitates the implementation of long-term forest projections under climate change scenarios. Our approach combines ML and forest simulations based on process-based models to project forest dynamics. The goal is to leverage the complementary strength of process-based and state-of-the-art ML models to improve predictions at a reduced computational cost. We use environmental data and periodic field measurements at a national scale to train ML models to predict forest growth. By integrating process-based simulations we investigate how the additional variables can improve the prediction accuracy. The proposed hybrid ML framework identifies forest dynamics processes and drivers across spatial and temporal scales, contributing at many levels to the climate change adaptation: from increasing awareness of the climate-induced hazards to enhancing education and assisting in sustainable natural resource management and planning. Keywords: adaptive forest management, climate change, forest growth modelling, machine learning ID: 3623078
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    Long-term fertilization impacts on temperature sensitivity of soil organic carbon decomposition under wheat based cropping systems
    Global Symposium on Soil Organic Carbon, Rome, Italy, 21-23 March 2017
    2017
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