A5014546224- Peatlands and Wetlands Ecology
- Forest Management and Policy
- Forest Ecology and Biodiversity Studies
- Forest ecology and management
- Soil Carbon and Nitrogen Dynamics
- Fire effects on ecosystems
- Botany and Plant Ecology Studies
- Mycorrhizal Fungi and Plant Interactions
- Plant Water Relations and Carbon Dynamics
- Lichen and fungal ecology
- Remote Sensing and LiDAR Applications
- Ecology and Vegetation Dynamics Studies
- Atmospheric and Environmental Gas Dynamics
- Bioenergy crop production and management
- Forest Biomass Utilization and Management
- Soil and Water Nutrient Dynamics
- Soil Geostatistics and Mapping
- Economic and Environmental Valuation
- Forest Insect Ecology and Management
- Climate change and permafrost
- Bryophyte Studies and Records
- Remote Sensing in Agriculture
- Tree-ring climate responses
- Seedling growth and survival studies
- Soil and Unsaturated Flow
Natural Resources Institute Finland
2016-2025
Université de Reims Champagne-Ardenne
2024
Kitasato University
2024
University of Geneva
2024
Sejong University
2024
Institut Català de Ciències del Clima
2024
Institut de Ciències del Mar
2024
Consejo Superior de Investigaciones Científicas
2024
Guangdong Technion-Israel Institute of Technology
2024
CMCC Foundation - Euro-Mediterranean Center on Climate Change
2022-2023
A review of stem volume and biomass equations for tree species growing in Europe is presented. The mathematical forms the empirical models, associated statistical parameters information about size trees country origin were collated from scientific articles technical reports. total number compiled estimation was 607 prediction it 230. analysis indicated that most developed aboveground components. relatively small southern Europe. Most based on a few sampled sites with very limited trees....
Decaying wood plays an important role in forest biodiversity, nutrient cycling and carbon balance. Community structure of wood-inhabiting fungi changes with mass loss wood, but the relationship between substrate quality decomposers is poorly understood. This limits extent to which these ecosystem services can be effectively managed. We studied fungal community physico-chemical (stage decay, dimensions, density, moisture, C : N ratio, lignin water or ethanol extractives) 543 Norway spruce...
Quantification of different processes affecting the assembly ecological communities remains challenging, especially in species-rich communities. While role environmental filtering has generally been well established, fewer studies have experimentally shown how other processes, such as biotic filtering, structure Here, we studied relative roles and colonization wood-inhabiting fungi, a species-rich, highly interactive, environment-sensitive group species. We conducted field experiment where...
Regulating the rotation length of tree stands is an effective way to manage carbon budget forests. We analyzed, using models, how a 30-year change in from recommended 90 years would and energy budgets typical wood-production wood-use chains Finland. Shortening towards culmination age mean annual increment decreased stock trees but increased soil, because production litter harvest residues increased. Changes wood products varied with species depending on volumes timber sorts harvested,...
We investigated the interaction between fungal communities of soil and dead wood substrates. For this, we applied molecular species identification stable isotope tracking to both decaying in an unmanaged boreal Norway spruce-dominated stand. Altogether, recorded 1990 operational taxonomic units, out which more than 600 were shared by substrates 589 found exclusively inhabit wood. On average was species-rich wood, but richness increased monotonically along decay gradient, reaching same...
Signatory countries to the United Nations Framework Convention on Climate Change (UNFCCC) and its supplementary Kyoto Protocol (KP) are obliged report greenhouse gas emissions removals. Changes in carbon stock of living biomass should be reported using either default or change methods Intergovernmental Panel (IPCC) under Land Use, Land-Use Forestry sector. Traditionally, volume estimates used as a forestry measures. may assessed by first estimating stem wood then converting this whole tree...
Information on the habitat requirements of wood-inhabiting fungi is needed to understand factors that affect their diversity. We applied culture-free DNA extraction and 454-pyrosequencing study mycobiota decaying Norway spruce (Picea abies) logs in five unmanaged boreal forests. Fungal preferences respect wood density gradient were then estimated with generalized additive mixed models. diversity inversely related, i.e., OTU richness generally increased as log became increasingly decomposed....
We quantified the response of peatland water table level (WTL) and energy fluxes to harvesting a drained forest. Two alternative harvests (clear-cut partial harvest) were carried out in mixed-species ditch-drained forest southern Finland, where balance components monitored for six pre-treatment three post-treatment growing seasons. To explore responses caused by harvestings, we applied mechanistic multi-layer soil-plant-atmosphere transfer model. At clear-cut site, mean season WTL rose 0.18...
Climate action plans under the Paris Agreement and other national commitments aimed at improving soil-based ecosystem services require operational monitoring of soil carbon (C). The European Union is aiming to enhance health, as part proposed Soil Monitoring Law, Commission recommends C loss indicator among health indicators. In this study, we evaluate feasibility by assessing its performance using EU-wide 2009 LUCAS survey data. organic (SOC) clay ratio, with a threshold value 1:13. results...
Stochasticity is a main process in community assembly. However, experimental studies rarely target stochasticity natural communities, and hence validation of estimates observational lacking. Here, we combine data to unravel the role assembly wood-inhabiting fungi. We carried out replicated field experiment where colonization focal fungal species was simulated through inoculation, local communities were monitored DNA metabarcoding before after inoculations. The amount less pronounced than...
Abstract Forest soils store a substantial amount of carbon, often more than the forest vegetation does. Estimates soil and in particular estimates changes these amounts are still inaccurate. Measuring carbon is laborious, measurements taken at few statistically unrepresentative sites difficult to scale larger areas. We combined simple dynamic model with litter production estimated on basis stand parameters, models tree allometry biomass turnover rates different components. This integrated...
We present a new application of terrestrial laser scanning and mathematical modelling for the quantitative change detection tree biomass, volume, structure. investigate feasibility approach with two case studies on trees, assess accuracy laboratory reference measurements, identify main sources error, ways to mitigate their effect results. show that changes in branching structure can be reproduced about ±10% accuracy. As current biomass is based destructive sampling, empirical models, our...
Summary Microbial respiration in dead wood contributes substantially to the long‐lived forest carbon (C) pool and has a significant role nitrogen (N) cycle. Wood N content been found increase during decay process; however, temporal dynamics sources of this external remain unclear. To examine at various stages decomposition, we combined high variety analytical methods on Norway spruce logs, including δ 15 N, N%, 14 C‐dating, fungal composition 2 fixation rate. For rate, also determined its...