Integrated Trait-Based Modeling of Carbon and Energy Flows in Soil Systems (TraiMErgy)

土壤有机质(SOM)的周转和稳定是高产农业和减缓气候变化的关键。土壤微生物学旨在研究土壤微生物群与土壤中的碳流和能量流之间的复杂相互作用。我们的中心假设是，土壤微生物群和土壤有机质的功能复杂性控制着土壤系统中的物质和能量流动。这一假说是通过一种新颖、复杂、数据驱动的生物能“土壤系统模型”(SoSyM-C)来检验的。SoSyM-C将整合生物地球化学、热力学、多组学和同位素数据。因此，它将把PP 2322中关于SOM生物能量学的生态和热力学调节机制的实验证据与PP 2322中的核心和个别项目联系起来。SOSyM-C将用这些数据进行参数化，然后进行系统的简化，以得出一个不那么复杂的模型版本(SoSyM-P)，该版本保留了对土壤系统中物质和能量流动的关键控制。Traimergy的成果将是对土壤有机质周转的更深入的理解，编码在一个机械的、健壮的和可预测的生物地球化学-生物能量模型中。

The turnover and stabilization of soil organic matter (SOM) is the key to a highly productive agriculture and to climate change mitigation. TraiMErgy aims at the complex interplay between the soil microbiome and the carbon and energy flows in soil. Our central hypothesis is that the functional complexity of the soil microbiome and SOM controls matter and energy flows in soil systems. This hypothesis is tested using a novel, complex, data-driven bioenergetic "SoilSystems Model" (SoSyM-C). SoSyM-C will integrate biogeochemical, thermodynamic, multi-omics, and isotopic data. As such, it will link experimental evidence on ecological and thermodynamic regulation mechanisms of SOM bioenergetics from core and individual projects in PP 2322. SoSyM-C will be parameterized with these data and then systematically reduced to derive a less complex model version (SoSyM-P) that retains key controls on matter and energy flows in soil systems. The outcome of TraiMErgy will be a deeper understanding of soil organic matter turnover, coded in a mechanistic, robust and predictive biogeochemical-bioenergetic model.