Forest Biomass Allocation and Ecosystem Productivity Dynamics

Forest ecosystems stand as pillars of global carbon cycling, climate regulation, and biodiversity conservation, with their functional integrity deeply intertwined with the dynamic interplay between biomass allocation patterns and ecosystem productivity. Denoting the partitioning of photosynthetically fixed carbon among different plant organs such as leaves, stems, roots, and reproductive structures, biomass allocation acts as a fundamental regulatory mechanism that shapes how forests capture resources, respond to environmental perturbations, and sustain long-term productivity.In recent decades, escalating climate change, intensified land-use activities, and increasing frequency of extreme events like droughts, wildfires, and insect outbreaks have disrupted traditional biomass allocation strategies in forests worldwide. For instance, prolonged drought stress can trigger a shift in carbon allocation toward root systems to enhance water uptake, thereby reducing aboveground productivity and altering ecosystem carbon sequestration potential. Meanwhile, anthropogenic disturbances such as selective logging and forest fragmentation can disrupt species interactions and nutrient cycling processes, further modifying biomass allocation patterns and compromising ecosystem stability.Despite significant advancements in understanding individual components of forest biomass allocation and productivity, critical knowledge gaps remain. There is a pressing need to unravel the complex, multi-scale mechanisms that drive biomass allocation across species, ecosystems, and environmental gradients. Additionally, the linkages between short-term biomass allocation responses and long-term ecosystem productivity dynamics, as well as the feedback loops between biomass allocation, soil nutrient cycling, and microbial communities, are still poorly understood. This Research Topic aims to address these gaps by integrating interdisciplinary approaches to advance our understanding of forest biomass allocation and its implications for ecosystem productivity and stability.This Research Topic seeks to synthesize cutting-edge research and foster innovative discussions on the relationships between forest biomass allocation, ecosystem productivity, and environmental change. We aim to:1. Explore the physiological, genetic, and environmental drivers of biomass allocation in forest trees across different biomes and climatic conditions.2. Investigate how biomass allocation patterns modulate ecosystem productivity, carbon sequestration, and nutrient cycling processes.3. Assess the impacts of global change factors (e.g., climate warming, elevated CO₂, nitrogen deposition) on biomass allocation strategies and subsequent ecosystem responses.4. Develop predictive models that can forecast how shifts in biomass allocation will affect forest ecosystem productivity and stability under future climate scenarios.5. Identify sustainable forest management practices that optimize biomass allocation to enhance ecosystem resilience and productivity.Potential themes include, but are not limited to:1. Intraspecific and interspecific variation in biomass allocation strategies and their ecological consequences2. The role of mycorrhizal associations and soil microbial communities in mediating biomass allocation3. Impacts of extreme climate events on biomass allocation and ecosystem recovery4. Remote sensing and modeling approaches for quantifying and predicting forest biomass allocation5. Trade-offs between biomass allocation to growth, reproduction, and defense in forest trees6. Implications of biomass allocation shifts for forest carbon budgets and climate regulation Topic editors: Renfei Chen, Yuting Ding, Bo Zhang Source: https://www.frontiersin.org/research-topics/80419/forest-biomass-allocation-and-ecosystem-productivity-dynamics