Peter Biber
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View article: Tree crown metrics as indicators for drought stress resistance?
Tree crown metrics as indicators for drought stress resistance? Open
View article: Global deforestation rates deviate from a profit-oriented baseline
Global deforestation rates deviate from a profit-oriented baseline Open
Despite decades of global efforts to conserve natural forests, deforestation continues to surpass international conservation targets 1–3 , highlighting the need for efficiently measuring the success of conservation actions. This…
View article: Quantification of the drought stress response of trees depending on their past growth
Quantification of the drought stress response of trees depending on their past growth Open
View article: Root-shoot allometry and drought response of dominant and co-dominant European beech (Fagus sylvatica [L.]) and Norway spruce (Picea abies [L.] Karst.) in monospecific versus mixed-species stands in Bavaria, Germany
Root-shoot allometry and drought response of dominant and co-dominant European beech (Fagus sylvatica [L.]) and Norway spruce (Picea abies [L.] Karst.) in monospecific versus mixed-species stands in Bavaria, Germany Open
Climate change and associated drought stress significantly impact tree root systems and canopies, essential for water and nutrient provision. We examined the root-shoot allometry of dominant European beech ( Fagus sylvatica [L.]) and Norwa…
View article: Does machine learning outperform logistic regression in predicting individual tree mortality?
Does machine learning outperform logistic regression in predicting individual tree mortality? Open
Tree mortality is a crucial process in forest dynamics and a key component of forest growth models and simulators. Factors like competition, drought, and pathogens drive tree mortality, but the underlying mechanism is challenging to model.…
View article: Artificially induced drought stress affects seasonal foliar litterfall, nutrient contents, and nutrient masses in mature European beech (Fagus sylvatica [L.]) and Norway spruce (Picea abies [L.] Karst.)
Artificially induced drought stress affects seasonal foliar litterfall, nutrient contents, and nutrient masses in mature European beech (Fagus sylvatica [L.]) and Norway spruce (Picea abies [L.] Karst.) Open
We examined the effects of drought-induced stress on foliar litter production, nutrient contents, and nutrient masses in mature European beech (Fagus sylvatica [L.]) and Norway spruce (Picea abies [L.] Karst.) over a two-year period (Octob…
View article: Minimising the relative regret of future forest landscape compositions: The role of close-to-nature stand types
Minimising the relative regret of future forest landscape compositions: The role of close-to-nature stand types Open
View article: Tree Crown Metrics as Indicators for Drought Stress Resistance?
Tree Crown Metrics as Indicators for Drought Stress Resistance? Open
View article: Quantification of the Drought Stress Response of Trees Depending on Their Past Growth
Quantification of the Drought Stress Response of Trees Depending on Their Past Growth Open
View article: A generic simulation model for relating forest CO2 intake and CO2 emissions by forest operations – The R-package care4cmodel
A generic simulation model for relating forest CO2 intake and CO2 emissions by forest operations – The R-package care4cmodel Open
View article: Differential modulation of crown allometry and stem growth at gap edges in five European tree species by drought conditions
Differential modulation of crown allometry and stem growth at gap edges in five European tree species by drought conditions Open
Background: In Central Europe, forests are increasingly affected by various disturbances, resulting in an increasing gap formation in the canopy. In order to support goal-oriented management, more knowledge is required about the acclimatio…
View article: Minimising the Relative Regret of Future Forest Landscape Compositions: The Role of Close-to-Nature Stand Types
Minimising the Relative Regret of Future Forest Landscape Compositions: The Role of Close-to-Nature Stand Types Open
View article: Stepping Ahead with Electrified, Connected and Automated Shuttles in the Test Area Autonomous Driving BW
Stepping Ahead with Electrified, Connected and Automated Shuttles in the Test Area Autonomous Driving BW Open
Automated shuttles that adhere to a fixed line, a so-called virtual rail, exhibit several drawbacks, including restricted flexibility in route selection, compromised passenger safety and comfort from abrupt braking incidents, and the need …
View article: Self-thinning of Scots pine across Europe changes with solar radiation, precipitation and temperature but does not show trends in time
Self-thinning of Scots pine across Europe changes with solar radiation, precipitation and temperature but does not show trends in time Open
The effects of site and climate on the self-thinning line, a key characteristic that defines forest dynamics, have been the subject of research for decades. However, contrasting results have generally been found. To adapt management practi…
View article: Forest growth in Europe shows diverging large regional trends
Forest growth in Europe shows diverging large regional trends Open
View article: Rapid beech decline under recurrent drought stress: Individual neighborhood structure and soil properties matter
Rapid beech decline under recurrent drought stress: Individual neighborhood structure and soil properties matter Open
During the summer of 2022, an acute drought once more afflicted central and southern Europe. This marked the third episode (after 2015 and 2018) of severe aridity in large parts of Germany within the last decade, leading to increased soil …
View article: Competition-based mortality and tree losses. An essential component of net primary productivity
Competition-based mortality and tree losses. An essential component of net primary productivity Open
Even-aged stands can regenerate with many thousand seedlings per hectare before the density declines to just a few hundred trees per hectare 100 years later; management practices can lead to even lower tree numbers due to quality selection…
View article: Nutrient regime modulates drought response patterns of three temperate tree species
Nutrient regime modulates drought response patterns of three temperate tree species Open
View article: Self-Thinning of Scots Pine Across Europe Changed with Solar Radiation, Precipitation and Temperature But Not Yet with Climate Change
Self-Thinning of Scots Pine Across Europe Changed with Solar Radiation, Precipitation and Temperature But Not Yet with Climate Change Open
View article: Competition-Based Mortality and Tree Losses. An Essential Component of Net Primary Productivity
Competition-Based Mortality and Tree Losses. An Essential Component of Net Primary Productivity Open
View article: When Geometry is not Enough: Using Reflector Markers in Lidar SLAM
When Geometry is not Enough: Using Reflector Markers in Lidar SLAM Open
Lidar-based SLAM systems perform well in a wide range of circumstances by relying on the geometry of the environment. However, even mature and reliable approaches struggle when the environment contains structureless areas such as long hall…
View article: Detecting Invalid Map Merges in Lifelong SLAM
Detecting Invalid Map Merges in Lifelong SLAM Open
For Lifelong SLAM, one has to deal with temporary localization failures, e.g., induced by kidnapping. We achieve this by starting a new map and merging it with the previous map as soon as relocalization succeeds. Since relocalization metho…
View article: Aboveground biomass density models for NASA’s Global Ecosystem Dynamics Investigation (GEDI) lidar mission
Aboveground biomass density models for NASA’s Global Ecosystem Dynamics Investigation (GEDI) lidar mission Open
View article: A fuzzy logic-based approach for evaluating forest ecosystem service provision and biodiversity applied to a case study landscape in Southern Germany
A fuzzy logic-based approach for evaluating forest ecosystem service provision and biodiversity applied to a case study landscape in Southern Germany Open
In the field of assessing forest ecosystem service provision and biodiversity, there seems to be a gap between an existing large body of valuable expert knowledge and its application. We propose fuzzy logic evaluation systems as a contribu…
View article: Geometry-based Graph Pruning for Lifelong SLAM
Geometry-based Graph Pruning for Lifelong SLAM Open
Lifelong SLAM considers long-term operation of a robot where already mapped locations are revisited many times in changing environments. As a result, traditional graph-based SLAM approaches eventually become extremely slow due to the conti…
View article: Fertilization modifies forest stand growth but not stand density: consequences for modelling stand dynamics in a changing climate
Fertilization modifies forest stand growth but not stand density: consequences for modelling stand dynamics in a changing climate Open
Knowledge of the maximum forest stand density and the self-thinning process is important for understanding, modelling and scheduling thinnings in silviculture. The upper trajectories of stem number, N, vs mean diameter, dq or mean tree vol…
View article: Forest Biodiversity, Carbon Sequestration, and Wood Production: Modeling Synergies and Trade-Offs for Ten Forest Landscapes Across Europe
Forest Biodiversity, Carbon Sequestration, and Wood Production: Modeling Synergies and Trade-Offs for Ten Forest Landscapes Across Europe Open
Europe's forests provide vital habitat for biodiversity and essential ecosystem services whose provision must be sustained or enhanced over the coming century. However, the potential to secure or increase forest ecosystem services, while s…
View article: The Effect of Alternative Forest Management Models on the Forest Harvest and Emissions as Compared to the Forest Reference Level
The Effect of Alternative Forest Management Models on the Forest Harvest and Emissions as Compared to the Forest Reference Level Open
Background and Objectives: Under the Paris Agreement, the European Union (EU) sets rules for accounting the greenhouse gas emissions and removals from forest land (FL). According to these rules, the average FL emissions of each member stat…
View article: Evidence of elevation-specific growth changes of spruce, fir, and beech in European mixed mountain forests during the last three centuries
Evidence of elevation-specific growth changes of spruce, fir, and beech in European mixed mountain forests during the last three centuries Open
In Europe, mixed mountain forests, primarily comprised of Norway spruce (Picea abies (L.) Karst.), silver fir (Abies alba Mill.), and European beech (Fagus sylvatica L.), cover about 10 × 10 6 ha at elevations between ∼600 and 1600 m a.s.l…
View article: Assessing transformation scenarios from pure Norway spruce to mixed uneven-aged forests in mountain areas
Assessing transformation scenarios from pure Norway spruce to mixed uneven-aged forests in mountain areas Open
Mixed mountain forests, primarily made up of Norway spruce ( Picea abies (L.) Karst.), silver fir ( Abies alba Mill.) and European beech ( Fagus sylvatica L.), cover about 10 × 10 6 ha of submontane–subalpine altitudes in Europe. They prov…