Mycorrhizal mycelia production in relation to forest management intensity and ecosystem functions

本研究的目的是探讨土壤菌根菌丝体的生物量和物种组成与土地利用强度和生态系统过程（如碳和养分循环）的关系。将首次对山毛榉（Fagus sylvatica）林的电解金属锰产量、现存生物量和周转量进行估计。我假设，EMM，这可以被视为之间的C和N通量的灵活连接，取决于森林管理措施，影响资源的可用性。这项研究将在大规模和长期的生物多样性探索项目范围内进行，该项目涵盖多达150个森林实验区。因此，EMM将在大范围的管理类型和强度下进行分析。因此，我将回答在何种程度上的EMM生物量的影响，资源的变异性和菌根真菌物种丰富度是否影响EMM生物量的生产。根据产生不同类型电解金属锰的真菌种类特性，对土壤菌根真菌群落的功能冗余进行评估。

The goal of this proposal is to investigate the biomass and species composition of soil mycorrhizal extramatrical mycelium (EMM) in relation to land-use intensity and ecosystem processes such as carbon and nutrient cycling. EMM production, standing biomass and turnover will be for the first time estimated in beech (Fagus sylvatica) forests. I hypothesize that EMM, which can be regarded as flexible joint between C and N flux, depends on forest management practices that influence the resource availability. The study will be conducted within the large-scale and long-term Biodiversity Exploratories project compassing up to 150 forest experimental plots. EMM will be therefore analyzed under a large range of management types and intensities. Hence, I will answer to what extent the EMM biomass is affected by resource variability and whether mycorrhizal fungal species richness affects EMM biomass production. Based on the fungal species trait to produce different types of EMM, I will assess the functional redundancy in soil mycorrhizal fungal communities.