A5047353090- Ecology and Vegetation Dynamics Studies
- Plant Water Relations and Carbon Dynamics
- Species Distribution and Climate Change
- Forest ecology and management
- Tree-ring climate responses
- Forest Management and Policy
- Geology and Paleoclimatology Research
- Hydrology and Watershed Management Studies
- Land Use and Ecosystem Services
- Fire effects on ecosystems
- Cryospheric studies and observations
- Forest Insect Ecology and Management
- Peatlands and Wetlands Ecology
- Forest Ecology and Biodiversity Studies
- Climate change and permafrost
- Ecosystem dynamics and resilience
- Landslides and related hazards
- Remote Sensing and LiDAR Applications
- Tree Root and Stability Studies
- Insect Pheromone Research and Control
- Plant and animal studies
- Entomological Studies and Ecology
- Soil and Unsaturated Flow
- Remote Sensing in Agriculture
- Pleistocene-Era Hominins and Archaeology
Swiss Federal Institute for Forest, Snow and Landscape Research
2014-2025
Lund University
2018
École Polytechnique Fédérale de Lausanne
1998
ETH Zurich
1997
The rate of future climate change is likely to exceed the migration rates most plant species. replacement dominant species by locally rare may require decades, and extinctions occur when cannot migrate fast enough escape consequences change. Such lags impair ecosystem services, such as carbon sequestration clean water production. Thus, assess global change, simulation local vegetation dynamic models (DGVMs) critical, yet fraught with challenges. Global simulate all species, necessitating...
Abstract Aim Recent studies increasingly use statistical methods to infer biotic interactions from co‐occurrence information at a large spatial scale. However, disentangling other factors that can affect patterns the macroscale is major challenge. Approach We present set of questions analysts and reviewers should ask avoid erroneously attributing species association interactions. Our relate appropriateness data models, causality behind correlative signal, problems associated with static...
ABSTRACT Aim Species ranges have adapted during the Holocene to altering climate conditions, but it remains unclear if species will be able keep pace with recent and future change. The goal of our study is assess influence changing macroclimate, competition habitat connectivity on migration rates 14 tree species. We also compare projections range shifts from distribution models (SDMs) that incorporate realistic classical assume no or unlimited migration. Location Europe. Methods calibrated...
Abstract. The sensitivity of global carbon and water cycling to climate variability is coupled directly land cover the distribution vegetation. To investigate biogeochemistry-climate interactions, earth system models require a representation vegetation distributions that are either prescribed from remote sensing data or simulated via biogeography models. However, abstraction state variables in means products derived need be post-processed for model-data assimilation. Dynamic (DGVM) rely on...
Faster-than-expected post-glacial migration rates of trees have puzzled ecologists for a long time. In Europe, is assumed to started from the three southern European peninsulas (southern refugia), where large areas remained free permafrost and ice at peak last glaciation. However, increasing palaeobotanical evidence presence isolated tree populations in more northerly microrefugia has change this perception. Here we use Northern Eurasian Plant Macrofossil Database palaeoecological literature...
Abstract The European spruce bark beetle Ips typographus is the most important insect pest in Central forests. Under climate change, its phenology presumed to be changing and mass infestations becoming more likely. While several studies have investigated effects across a latitudinal gradient, it remains an open question how will change depending on elevation topology. Knowing altered likely affect populations, particularly diverse topographies elevations, essential for adaptive management....
Huber, R., A. Rigling, P. Bebi, F. S. Brand, Briner, Buttler, C. Elkin, Gillet, Grêt-Regamey, Hirschi, H. Lischke, R. W. Scholz, Seidl, T. Spiegelberger, Walz, Zimmermann, and Bugmann. 2013. Sustainable land use in mountain regions under global change: synthesis across scales disciplines. Ecology Society 18(3): 36. https://doi.org/10.5751/ES-05499-180336
Dynamic vegetation models (DVMs) follow a process‐based approach to simulate plant population demography, and have been used address questions about disturbances, succession, community composition, provisioning of ecosystem services under climate change scenarios. Despite their potential, they seldom for studying species range dynamics explicitly. In this perspective paper, we make the case that DVMs should be end can improve our understanding factors influence expansions contractions. We...
Abstract It has long been anticipated that relating functional traits to species demography would be a cornerstone for achieving large-scale predictability of ecological systems. If such relationship existed, could modeled only by measuring traits, transforming our ability predict states and dynamics species-rich communities with process-based community models. Here, we introduce new method links empirical the demographic parameters model calibrating transfer function through inverse...
Abstract Tree regeneration is a key process in forest dynamics, particularly the context of resilience and climate change. Models are pivotal for assessing long‐term they have been use more than 50 years. However, there need to evaluate their capacity accurately represent tree regeneration. We assess how well current models capture overall abundance, species composition, mortality Using 15 built dynamics at stand, landscape, global levels, we simulate 200 sites representing large...
Warming-induced expansion of trees and shrubs into tundra vegetation will strongly impact Arctic ecosystems. Today, a small subset the boreal woody flora found during certain Plio-Pleistocene warm periods inhabits Greenland. Whether twenty-first century warming induce re-colonization rich depends on roles climate migration limitations in shaping species ranges. Using potential treeline climatic niche modelling, we project shifts areas climatically suitable for tree growth 56 Greenlandic,...
High-resolution pollen analyses made on the same samples which ratios of oxygen isotopes were measured that provided time scale and a temperature proxy after correlation to NorthGRIP. A primary succession: The vegetation responded rapid rise temperatures around 14,685 yr BP, with succession decadal centennial scale. between ca 15,600 13,000 BP included: replacement shrub-tundra by woodland Juniperus tree birch (around 14,665 BP) response shift in less than 20 yr, sequence population...
Abstract Species range limits are expected to be dramatically altered under future climate change and many species predicted shift their distribution upslope track suitable conditions (i.e. based on niche). However, there might large discrepancies between the speed of upward climatic niche actual migration velocity species, especially in long‐lived organisms such as trees. In fact, most studies did not find any significant distributional temperate forest trees over last decades. It therefore...
Projections of landscape dynamics are uncertain, partly due to uncertainties in model formulations. However, quantitative comparative analyses forest models lacking. We conducted a systematic comparison all currently applied temperate European forests (LandClim, TreeMig, LANDIS-II, iLand). examined the uncertainty projections under several future climate, disturbance, and dispersal scenarios, quantified by variance partitioning. While past climate conditions were good agreement with...
Summary We used the forest succession model F or C lim to simulate Holocene treeline dynamics along an elevational transect in Central European Alps, order explore extent and cause of changes altitude composition. A temperature reconstruction independent vegetation proxies was drive model, simulation results were compared with pollen macrofossil records from a nearby site close present‐day treeline. The yielded fluctuations about ± 100 m (2375–2600 a.s.l.), confirming earlier...
Demographic processes and demographic data are increasingly being included in models of the spatio–temporal dynamics species’ ranges. In this special issue, we explore how integration further conceptual understanding prediction range dynamics. The 12 papers originate from two workshops entitled ‘Advancing concepts species dynamics: disentangling across scales’. combine theoretical empirical evidence for interplay between environmental conditions, interactions, (births, deaths, dispersal),...
Abstract Modelling is often confronted with scaling problems, because modelling—directly or indirectly—always implies scaling. This models simplify. Simplification usually means aggregation, and aggregation a process. As cannot be avoided in modelling, it should carefully addressed resolved, at least to the degree possible. In this paper, we give an overview of approaches ecological modelling. We propose classify into pre‐model scaling, in‐model post‐model depending on timing relative main...
A major unknown in the context of current climate change is extent to which populations slowly migrating species, such as trees, will track shifting climates. Niche modelling generally predicts substantial northward shifts suitable habitats. There therefore an urgent need for field-based forest observations corroborate these extensive model simulations. We used inventory data providing presence/absence information from just over a century (1880-2010) Mediterranean species (Quercus ilex)...
Abstract. We present FORHYCS (FORests and HYdrology under Climate Change in Switzerland), a distributed ecohydrological model to assess the impact of climate change on water resources forest dynamics. is based coupling hydrological PREVAH landscape TreeMig. In coupled simulation, both original models are executed simultaneously exchange information through shared variables. The simulated canopy structure summarized by leaf area index (LAI), which affects local balance calculations. On other...