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Seminars

Hear new ideas, meet researchers and revisit the full ITMN seminar archive. All events are free and open.

Seminar #32 Online

Uncovering shifts in dryland vegetation dynamics using satellites

Dr. Paulo Bernardino

Changes in dryland ecosystems can take place gradually or abruptly. When the latter are accompanied by a regime shift to an alternate vegetation state, …

Remote sensing
Seminar #31 Online

The PSInet Database of plant water potential timeseries

Kimberly Novick and Jessica Guo

Water potential gradients are the fundamental driver of water flow within and between soils and plants, and plant water potential is a key control of …

Drought & hydraulicsOpen data
Seminar #30 Online

Rising tree mortality across Australian forests

Ruiling Lu

Australia’s forests span some of the world’s strongest gradients in climate variability and disturbance regimes, making the continent a natural laboratory …

Tree mortality
Seminar #29 Online

Limits and opportunities in predicting drought-induced forest mortality / Future of the ITMN network and your active role – let’s talk about it in our open community meetings! / ITMN: Have your say on the future of the network

Jordi Martínez-Vilalta · Future of the ITMN Network · Here’s the recording of our seminar!

Limits and opportunities in predicting drought-induced forest mortality Jordi Martínez-Vilalta Hotter and drier conditions under ongoing climate change are …

Drought & hydraulicsModellingTree mortality
Community event Online

Future of the ITMN network

ITMN community

After several years of shared progress, ITMN invited its community to reflect on what the network had achieved and discuss where it should go next. This …

CommunityOpen scienceNetwork strategy
Seminar #28 Online

Tiny leaks with deadly consequences: implication of minimum conductance to water vapor for plant performance and survival in a hotter and drier world

Paulo Menezes

Efficient control of water loss is critical for plant survival under hotter-drought episodes. Under such challenging environmental conditions, the drop in …

Drought & hydraulics
Seminar #27 Online

The role of disturbance in shaping demographic trade-offs in temperate tree species

Kauane Bordin

The species life-history strategies emerge from ecological and evolutionary constraints, where organisms allocate limited resources to growth, survival, …

Forest disturbance
Seminar #26 Online

Using causal inference to disentangle forest disturbance interactions under climate change

Joan Dudney

Interactions among forest disturbances are leading to unprecedented mortality and forest transitions. Despite their global impacts, the relationships among …

ModellingForest disturbanceClimate change
Seminar #25 Online

Forest dynamics under global change: temporal perspectives with observational approaches

Paloma Ruiz Benito

Forest dynamics include a wide variety of demographic processes though the life cycle of trees, from dispersion and regeneration to tree growth and …

Tree mortality
Seminar #24 Online

The impact of extreme drought on Australian forests and woodlands.

Brendan Choat

Severe droughts have caused widespread tree mortality across many forest biomes with profound impacts on ecosystem function and carbon balance. Climate …

Drought & hydraulics
Seminar #23 Online

deadtrees.earth – a database of centimeter-scale aerial imagery as premier reference data for mapping global tree mortality

Teja Kattenborn & Clemens Mosig

Quantifying tree mortality at global scale remains a major unsolved challenge. Earth observation satellites, such as the Copernicus Sentinel fleet have …

Tree mortalityOpen data
Seminar #22 Online

The pace of life for forest trees

Lalasia Bialic-Murphy

Tree growth and longevity trade-offs fundamentally shape the terrestrial carbon balance. Yet, we lack a unified understanding of how such trade-offs vary …

Tree mortality
Seminar #21 Online

Pantropical tree growth responses to climatic variation and extremes.

Pieter Zuidema

Increasing drought stress under anthropogenic climate change jeopardizes the potential of tropical forests to capture carbon in woody biomass and act as …

Tropical forests
Seminar #20 Online

Harnessing big data and artificial intelligence for forest monitoring

Philippe Ciais

The fusion of satellite data from different sensors allows to create new maps of forest biomass and height, and their changes over time, down to the level …

Remote sensingModellingOpen data
Seminar #19 Online

Contributions of remote sensing to characterizing post-disturbance forest recovery in boreal forests

Joanne White

The success and rate of forest regeneration following disturbance has consequences for sustainable forest management, climate change mitigation, and …

Remote sensingForest disturbance
Seminar #18 Online

Tracking forest dynamics across spatial, temporal and ecological scales using airborne LiDAR

Tommaso Jucker

Characterising the processes that shape forest dynamics across broad spatial and temporal scales remains a major challenge in ecology. Satellite remote …

Remote sensing
Seminar #17 Online

New approaches for monitoring forest functioning in a changing climate – crossing scales from molecular mechanisms to stand wide processes.

Arthur Gessler

Climate change is affecting forest functioning and jeopardizes the services forest ecosystems provide. Reduced water availability during drought events and …

Remote sensingClimate change
Seminar #16 Online

Integrating plant physiology and community ecology across scales through trait-based models to predict drought mortality

Anna Trugman

Climate change has the potential to massively disrupt terrestrial ecosystem productivity, impacting biodiversity, and driving Earth’s forests to release …

Drought & hydraulicsModellingTree mortality
Seminar #15 Online

Past disturbance history, tree longevity, and recent tree mortality in temperate primary forests of east and south-east Europe

Miroslav Svoboda

Primary forests provide important baseline information for our managed forests. Despite intensive use, primary forests still exist in east and south-east …

Forest disturbanceTree mortality
Seminar #14 Online

Tree mortality and damage links in tropical forests / Quantifying spatial and temporal variation in canopy tree mortality and branchfalls in a tropical forest using repeat drone photogrammetry

Daniel Zuleta · Helene Muller-Landau

Tree mortality and damage links in tropical forests Daniel Zuleta Large uncertainties remain on how tropical forests will respond to a rapidly changing …

Remote sensingForest disturbanceTropical forests
Seminar #13 Online

How does sensitivity to climate change vary across Amazon forests? Insights from ecophysiology, forest dynamics, remote sensing and modelling.

David Galbraith

There is a pressing need to better understand and predict the impacts of climate change on Amazon forests, given their important role in the Earth System. …

Remote sensingModellingTropical forests
Seminar #12 Online

Forest mortality dynamics in Germany – how can we cope with it?

Andreas Bolte

In the last years forests in Germany haved faced vitality decreases and mortality dynamics never seen before. About 25% of German forests are projected to …

Tree mortality
Seminar #11 Online

Mortality of Afrotropical trees in a temperature manipulation experiment: Result from the Rwanda TREE project

Bonaventure Ntirugulirwa

Knowledge on mortality responses of tropical trees and communities under projected warmer climate is limited. Trees in tropical montane forests (TMFs) are …

Tropical forestsTree mortalityClimate change
Seminar #10 Online

Climate variability, extremes, and attribution of high-impact ecological events: challenges and ways forward

Ana Bastos

Climate and weather extremes impact tree functioning directly and can further trigger forest disturbances, thus affecting forest functioning and dynamics …

Climate change
Seminar #9 Online

Recipes for Climate-Induced Bark Beetle-Caused Tree Mortality

Barbara Bentz

Globally, native bark beetles are contributing to increases in tree mortality and changes in climate are playing significant roles. Projecting future …

Forest disturbanceTree mortalityClimate change
Seminar #8 Online

Conifer decline and mortality in Siberia

Viacheslav Kharuk

Conifer decline and mortality in the 21st century has been observed all over the boreal forests zone (e.g., Boyd et al., 2019), Europe (e.g., Hasenauer, …

Tree mortality
Seminar #7 Online

Impacts of disturbances on leaf area index and productivity of terrestrial ecosystems

Yude Pan

An empirical model depicting the relationship between changes in leaf area index (LAI) and aboveground net primary productivity (ANPP) of terrestrial …

Forest disturbance
Seminar #6 Online

The global emergence of hotter-drought drivers of forest disturbance tipping points

CRAIG D. ALLEN

Current research is presented on global-scale patterns and trends of forest responses to increasingly hotter droughts, particularly extensive tree …

Drought & hydraulicsForest disturbance
Seminar #5 Online

Tree mortality modeling – a tool for ecological inference and a challenge for projecting forest dynamics

LISA HÜLSMANN

Tree death is ubiquitous in forests, even without climate change, and has a lasting impact on forest structure, species composition, biomass, and …

ModellingTree mortality
Seminar #4 Online

Rising tree mortality in the Anthropocene

NATE MCDOWELL

Tree mortality is rising in most documented locations but the drivers and mechanisms of this trend are unknown. Changes in atmospheric carbon dioxide, …

Tree mortality
Seminar #3 Online

Tree mortality in Australian ecosystems: past, present and future

BELINDA MEDLYN

Australia is not only the driest inhabited continent, it also experiences high interannual variability in rainfall, and severe multi-year droughts. Tree …

Tree mortality
Seminar #2 Online

Tree mortality in the Amazon across local hydrological gradients: how water table depth may save or condemn trees as climate changes

FLÁVIA COSTA

Dr Costa will present results of 20 years of investigation on patterns of forest response to soil hydrology (more specifically water table depth) during …

Drought & hydraulicsTropical forestsTree mortality
Seminar #1 Online

Global forest monitoring using satellite data

MATT HANSEN

Earth observation data enable the monitoring of forest extent and change from national to global scales. Consistent processing of time-series images has …

Remote sensingOpen data