
Paul Szejner
Assistant Professor
Instituto de Geología Universidad Nacional Autonoma de Mexico
Participates in 6 items
As a forest ecologist, I use stable isotopes in tree rings to study the relationships between plant physiology and environmental changes. I am interested in the mechanisms driving carbon and water fluxes on forested regions from seasonal to centennial scales.
Sessions in which Paul Szejner participates
13:30
13:30
- Workshop. Best practices for using tree-ring stable isotopes of Carbon and Oxygen in paleoclimate and ecophysiology. Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3260)
- 13:30 - 17:00 | 3 hours 30 minutes
- Free, in person and onlineThe stable isotopic composi...
- Workshop
15:15
15:15
- General Session (Dendrogeochemistry) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 15:15 - 17:15 | 2 hours
- Talk
16:15
16:15
- Long-term drought effects on semi-arid forests influenced tree capacity to respond to abrupt seasonal changes Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Paul Szejner (Instituto de Geología Universidad Nacional Autonoma de Mexico) |
- 16:15 - 16:30 | 15 minutes Part of: General Session (Dendrogeochemistry)
- The ongoing North American megadrought has persisted since the year 2000, and has been characterized by anomalously low amounts of winter and su...
- Talk
15:15
15:15
- General Session (Dendrogeochemistry) (reescheduled) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 15:15 - 17:15 | 2 hours
- Talk
16:15
16:15
- Long-term drought effects on semi-arid forests influenced tree capacity to respond to abrupt seasonal changes (reescheduled) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Paul Szejner (Instituto de Geología Universidad Nacional Autonoma de Mexico) |
- 16:15 - 16:30 | 15 minutes Part of: General Session (Dendrogeochemistry) (reescheduled)
- The ongoing North American megadrought has persisted since the year 2000, and has been characterized by anomalously low amounts of winter and su...
- Talk
14:05
14:05
- Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 14:05 - 15:50 | 1 hour 45 minutes
- The interpretation of stable isotopes in a dendroecological framework can provide powerfu...
- Talk
Sessions in which Paul Szejner attends
8:30
8:30
- Workshop. Use and applications of the process-based model MAIDENiso Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- 8:30 - 12:30 | 4 hours
- MAIDENiso is a numerical process-based model that allows researchers to simulate the growth of a ...
- Workshop
13:30
13:30
- Workshop. openDendro: Advanced Open-source Tools for Dendrochronology and Paleoenvironmental Reconstruction Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- 13:30 - 17:30 | 4 hours
- Free, in person and online
- Workshop
8:25
8:25
- Welcome Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 8:25 - 8:44 | 19 minutes
- Talk
8:45
8:45
- Dr. Florence Hawley Ellis Lecture (Keynote presentation) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 8:45 - 9:15 | 30 minutes
- Africa is faced with a number of challenges including climate change and ecological disturbance due to various anthropogenic activities. These p...
- Keynote
-
9:20
9:20
- General Session (Dendroclimatology, PT1) Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- 9:20 - 10:35 | 1 hour 15 minutes
- Talk
- General Session (Dendroecology, PT1) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- 9:20 - 10:35 | 1 hour 15 minutes
- Talk
- Tree-ring data reject the leading edge-trailing edge hypothesis for species range change Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Margaret Evans (University of Arizona) |
- 9:20 - 9:35 | 15 minutes Part of: General Session (Dendroecology, PT1)
- Climate change poses an existential threat to trees, given our understanding of the importance of climate in shaping their geographic distributi...
- Talk
- Symposium 1 (PT 1). Tree rings from national forest inventories: a timely opportunity to assess tree growth across space and through time Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 9:20 - 10:35 | 1 hour 15 minutes
- Tree-ring time series provide long-term, annually resolved information on the growth of individual trees. However, public tree-ring archives con...
- Talk
9:35
9:35
- Unprecedented increase in tree growth rates in boreal forests on the Taiga Shield during the 21st century Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Raquel Alfaro-Sánchez (Wilfrid Laurier University) |
- 9:35 - 9:50 | 15 minutes Part of: General Session (Dendroecology, PT1)
- During the 21st century, the boreal biome has warmed at rates 3-4 times the global average, impacting forests directly through changes in temper...
- Talk
10:05
10:05
- Long-term carbon storage and residence time in old-growth forests Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Dario Martin-Benito (INIA-CSIC) |
- 10:05 - 10:20 | 15 minutes Part of: General Session (Dendroecology, PT1)
- Forest disturbances and tree growth are major drivers of dynamics and long-term carbon storage in forests. Combining forest inventory data and t...
- Talk
- Volcanic Cooling Events: Impacts on Climate and Indigenous Peoples in Northwestern North America Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Caroline Leland (William Paterson University) |
- 10:05 - 10:20 | 15 minutes Part of: General Session (Dendroclimatology, PT1)
- Evidence of volcanic cooling and its human impacts has been described for various regions of the globe over the past several centuries to millen...
- Talk
11:00
11:00
- Growth and wood density in conifer forest: a climatic analysis of samples from Mexico's National Forest Inventory Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Genaro Gutierrez (Universidad Nacional Autónoma de México) |
- 11:00 - 11:15 | 15 minutes Part of: Symposium 1 (PT 2). Tree rings from national forest inventories: a timely opportunity to assess tree growth across space and through time
- Mexico has a forest cover of 660,400 km2, representing 34% of its territory. Due to deforestation and land-use change, Mexico has lost 32,200 km...
- Talk
- Modelling future temporal and spatial growth dynamics of Pinus sylvestris across Europe Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Edurne Martinez del Castillo (Johannes Gutenberg University Mainz) |
- 11:00 - 11:15 | 15 minutes Part of: General Session (Dendroclimatology, PT2)
- The past and future of forests are unequivocally controlled and determined by global climate. Constraining the uncertainties within this multifa...
- Talk
- Symposium 1 (PT 2). Tree rings from national forest inventories: a timely opportunity to assess tree growth across space and through time Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 11:00 - 12:15 | 1 hour 15 minutes
- Tree-ring time series provide long-term, annually resolved information on the growth of individual trees. However, public tree-ring archives con...
- Talk
- General Session (New perspectives and developments) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- 11:00 - 12:15 | 1 hour 15 minutes
- Talk
11:15
11:15
- Emerging technologies with dendrochronology: platforms, progress, and potential Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Daniel Griffin (University of Minnesota) |
- 11:15 - 11:30 | 15 minutes Part of: General Session (New perspectives and developments)
- Ultra high resolution imaging is becoming standard across the sciences and must be a priority for dendrochronology. Large format scanners fail t...
- Talk
- A 247-years tree-ring reconstruction of spring temperature and relation to spring flooding in Eastern Boreal Canada Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Alexandre Florent Nolin (Uqat) |
- 11:15 - 11:30 | 15 minutes Part of: General Session (Dendroclimatology, PT2)
- Few spring paleoclimate records are available for boreal Canada and given the warming of spring temperatures in recent decades and its impact on...
- Talk
11:30
11:30
- To discard or not to discard: On cross-dating ecological tree-ring collections Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Neil Pederson (Harvard Forest) |
- 11:30 - 11:45 | 15 minutes Part of: General Session (New perspectives and developments)
- Tree-ring research has given generations of scientists a long memory of what is acceptable for a tree to be included for data analysis. The esta...
- Talk
11:45
11:45
- Impact of climate change on the growth of main tree species in Romania using dendrochronological data Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Bogdan Strimbu (FERM) |
- 11:45 - 12:00 | 15 minutes Part of: Symposium 1 (PT 2). Tree rings from national forest inventories: a timely opportunity to assess tree growth across space and through time
- The objective of this study is to identify and estimate the impact of the change in climate on the annual growths of the three main forest speci...
- Talk
12:00
12:00
- 800 years of summer European-North Atlantic jet stream variability and its impact on climate extremes and human systems Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Valerie Trouet (University of Arizona) |
- 12:00 - 12:15 | 15 minutes Part of: General Session (Dendroclimatology, PT2)
- Climate extremes are driven by a combination of thermodynamical and dynamical factors. In Europe, the primary dynamical driver of summer climate...
- Talk
- Tree-rings as a natural encyclopedia: itinerant and interactive exhibition as an educational tool for students Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Tomás Muñoz-Salazar (Universidad Austral de Chile) |
- 12:00 - 12:15 | 15 minutes Part of: General Session (New perspectives and developments)
- In this work we show the application of dendrochronology as an educational resource for schoolchildren and as a mean to disseminate science to s...
- Talk
13:30
13:30
- General Session (Dendroclimatology, PT3) Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- 13:30 - 15:00 | 1 hour 30 minutes
- Talk
- Symposium 5. Applications of dendrochronology in urban environments Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 13:30 - 15:00 | 1 hour 30 minutes
- As of 2020, 56% of the world’s population live in urban areas. These individuals benefit from numerous ecosystem servic...
- Talk
- General Session (Ecophysiology) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Tue 28, 13:30 - Wed 29, 17:00 | 1 day 3 hours 30 minutes
- Talk
14:00
14:00
- Interpretation of intra-annual tree-ring δ13C profiles of control, droughted and re-watered Scots pines Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Katja Rinne-Garmston (Natural Resources Institute Finland (Luke)) |
- 14:00 - 14:15 | 15 minutes Part of: General Session (Ecophysiology)
- Intra-annual tree-ring δ13C record has the potential to provide deep insights into past plant performance and environmental conditions. With con...
- Talk
14:15
14:15
- Long-term eddy covariance fluxes and xylem anatomy for understanding carbon fixation in white pine woody biomass Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Paulina Fernanda Puchi Gonzalez (Dipartimento Territorio e Sistemi Agro-Forestali) |
- 14:15 - 14:30 | 15 minutes Part of: General Session (Ecophysiology)
- Improving our understanding of the carbon cycle is key to addressing the challenges of climate change. In this study, we investigated the relati...
- Talk
14:30
14:30
- Drought tolerance differs between urban tree species but is not affected by traffic pollution Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Mareike Hirsch (University of Freiburg) |
- 14:30 - 14:45 | 15 minutes Part of: Symposium 5. Applications of dendrochronology in urban environments
- Urban trees provide multiple benefits such as shading and cooling, which become more and more important due to the increasing frequency and seve...
- Talk
14:45
14:45
- Potential growth scenarios for boreal forests with the ecophysiological model MAIDEN Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Marceau Badaroux (Uqat) |
- 14:45 - 15:00 | 15 minutes Part of: General Session (Ecophysiology)
- In the context of climate and environmental change, the boreal forest is subject to potential changes in structure and function. Stand-level phy...
- Talk
15:15
15:15
- New annually resolved records of Neogene Arctic climate from tree rings and estuarine shells from the Canadian Arctic Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Adam Csank (University of Nevada, Reno) |
- 15:15 - 15:30 | 15 minutes Part of: General Session (Dendrogeochemistry)
- The Pliocene is often identified as an example of a past warmer world. Studies of sub-fossil wood from fossil forest localities in the Canadian ...
- Talk
15:30
15:30
- 500 years of past temperatures derived using Blue Intensity from Araucaria araucana in Northern Patagonia, Argentina Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Rob Wilson (University of St Andrews) |
- 15:30 - 15:45 | 15 minutes Part of: General Session (Dendroclimatology, PT4)
- Ring-width (RW) and Blue Intensity (BI) parameters (earlywood - EWB, inverted latewood – LWBinv, and delta - DB) were measured from samples of A...
- Talk
- Climate signals in tree-ring chemical components of Cedrela fissilis Vell. growing in Brazilian Amazon Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Daigard Ricardo Ortega Rodriguez (University of Sao Paulo) |
- 15:30 - 15:45 | 15 minutes Part of: General Session (Dendrogeochemistry)
- Chemical traits of tree-rings are sparsely used for dendroclimatic analysis. The difficulty of the laboratory process to obtain these proxies an...
- Talk
15:45
15:45
- Recent increases in tropical cyclone precipitation extremes over the US east coast Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Justin Maxwell (Indiana University) |
- 15:45 - 16:00 | 15 minutes Part of: General Session (Dendroclimatology, PT4)
- The impacts of inland flooding caused by tropical cyclones (TCs), including loss of life, infrastructure disruption, and alteration of natural l...
- Talk
- Tracking Water Sources and Root Water Uptake of Boreal Trees on Fluvioglacial Deposits: Perspectives from Stable Isotope Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Oloruntobi Gideon Olugbadieye (Université du Québec en Abitibi-Témiscamingue) |
- 15:45 - 16:00 | 15 minutes Part of: General Session (Dendrogeochemistry)
- Global warming in boreal forests is more pronounced than elsewhere, as temperature is increasing twice as fast as the rest of the planet. Low wa...
- Talk
16:00
16:00
- A new snow module improves predictions of isotope-enabled MAIDENiso forest growth model Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Ignacio Hermoso de Mendoza (Geotop) |
- 16:00 - 16:15 | 15 minutes Part of: General Session (Dendrogeochemistry)
- The representation of snow processes in forest growth models is necessary to accurately predict the hydrological cycle in boreal ecosystems and ...
- Talk
16:30
16:30
- Dendroprovenancing instream wood at the watershed scale Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Javier del Hoyo Gibaja (University of Lausanne) |
- 16:30 - 16:45 | 15 minutes Part of: General Session (Dendrogeochemistry)
- Dendroprovenance is a discipline usually linked to dendroacheology or wood commercialization; however, other purposes as inferring the origin of...
- Talk
- Isotope-inferred temperature variations in Northern Patagonia are asynchronous with global records over the last 1000-y Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Valérie Daux (Laboratoire des Sciences du Climat et de l'Environnement / Université de Versailles Saint Quentin) |
- 16:30 - 16:45 | 15 minutes Part of: General Session (Dendroclimatology, PT4)
- The current climate warming is unique in terms of its ubiquity and synchrony on a global scale. Over the last millennium, pre-industrial periods...
- Talk
16:45
16:45
- Dendrochronological Evidence of Extreme Events on the Gulf of Mexico Coast Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Clay Tucker (University of Alabama) |
- 16:45 - 17:00 | 15 minutes Part of: General Session (Dendrogeochemistry)
- Drought, flooding, and hurricane activity disrupt the human and natural landscape throughout the southeastern United States. Instrumental record...
- Talk
- Tree-ring reconstructions of streamflow variability for Southeastern U.S. Interstate Rivers Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Matthew Therrell (University of Alabama) |
- 16:45 - 17:00 | 15 minutes Part of: General Session (Dendroclimatology, PT4)
- We report on research to develop quantitative, annually resolved, multi-century, tree-ring reconstructions of streamflow for 12 interstate river...
- Talk
17:00
17:00
- Persistent and cumulative impacts of drought on forest growth: a Douglas fir case study Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)
- Speaker Andria Dawson (Mount Royal University) |
- 17:00 - 17:15 | 15 minutes Part of: General Session (Dendroclimatology, PT4)
- Circulation models forecast changes in global temperature and precipitation that will likely alter forest function. North America is expected to...
- Talk
8:45
8:45
- Exact Dating of the First Europeans in the Americas (Keynote presentation) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 8:45 - 9:15 | 30 minutes
- Dendrochronology is considered one the most precise of all the scientific dating techniques. However, it requires ...
- Keynote
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9:20
9:20
- Symposium 2. Common garden experiments to evaluate tree adaptation in a changing climate Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- 9:20 - 10:35 | 1 hour 15 minutes
- Current and projected changes in climate are estimated to be from 10 to 100 times faster than the natural adaptive capacity of trees whose gener...
- Talk
9:35
9:35
- A dendrochronological approach to reveal climate sensitivities and productivity of Douglas-fir in a long-term range-wide Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Jodi Axelson (Lands) |
- 9:35 - 9:50 | 15 minutes Part of: Symposium 2. Common garden experiments to evaluate tree adaptation in a changing climate
- In the 1970s, forest geneticists with the British Columbia Forest Service established a number of long-term provenance trials throughout the pro...
- Talk
9:50
9:50
- The evolutionary value of tree-ring plasticity in Douglas-fir Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Philippe Rozenberg (INRAE) |
- 9:50 - 10:05 | 15 minutes Part of: Symposium 2. Common garden experiments to evaluate tree adaptation in a changing climate
- Climate change threatens forest trees. Their ability to resist depends on their potential to adapt. Phenotypic plasticity, i.e. the potential fo...
- Talk
10:05
10:05
- Joining dendroecology and genomic approaches to identify genes implicated in resilience to drought in the model conifer Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Claire Depardieu (Université Laval) |
- 10:05 - 10:20 | 15 minutes Part of: Symposium 2. Common garden experiments to evaluate tree adaptation in a changing climate
- Rapidly warming climate affects water availability for boreal conifer species, thus urging the need for assessing their adaptive capacity to bet...
- Talk
10:20
10:20
- The use of common gardens and dendroecology to guide assisted gene flow in black spruce Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Etienne Robert (Université du Québec à Montréal) |
- 10:20 - 10:35 | 15 minutes Part of: Symposium 2. Common garden experiments to evaluate tree adaptation in a changing climate
- Assisted gene flow (AGF) may help facilitate tree species’ adaptation to future climatic conditions. When applied to resource-producing species ...
- Talk
11:00
11:00
- Four decades of paleoflood hydrology through wood anatomy Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Scott St. George (University of Minnesota) |
- 11:00 - 11:15 | 15 minutes Part of: General Session (Dendrogeosystems)
- Forty years ago Dr. Tom Yanosky, a research botanist with the US Geological Survey, reported that ash trees growing along the Potomac River cont...
- Talk
- General Session (Dendrogeosystems) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- 11:00 - 12:15 | 1 hour 15 minutes
- Talk
11:15
11:15
- Assessing Vulnerability of American Holly (Ilex opaca) Trees in Coastal Maritime Forests of N.Y. and N.J. Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Troy Nixon (Lamont-Doherty Earth Observatory) |
- 11:15 - 11:30 | 15 minutes Part of: General Session (Dendrogeosystems)
- Coastal maritime forests in northeastern USA are mostly fragmented and currently threatened by climate change. This study focuses on American ho...
- Talk
11:30
11:30
- Proxy versus Modelled Hydrology, Saskatchewan and Athabasca River Basins Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Dave Sauchyn (University of Regina) |
- 11:30 - 11:45 | 15 minutes Part of: General Session (Dendrogeosystems)
- In western Canada, internal natural variability is the dominant source of uncertainty for the climate model projection of precipitation and rela...
- Talk
11:45
11:45
- Drought legacy effects in radial tree growth are meaningful but rarely significant under heightened statistical scrutiny Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Stefan Klesse (Swiss Federal Research Institute WSL) |
- 11:45 - 12:00 | 15 minutes Part of: General Session (Dendrogeosystems)
- "Drought legacy effects (DLE) in radial tree growth (RTG) have been extensively studied over the last decade and are found to critically influen...
- Talk
12:30
12:30
- Poster Session Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- 12:30 - 14:30 | 2 hours
- Posters
- Intra-annual relationships between δ13C ratios and xylogenesis for Black Spruce (Eastern North America) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Sepideh Namvar (Geotop) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- The use of stable isotope proxies in combination with tree-ring parameters has become a well-established tool to unravel plants’ responses to a ...
- Poster
-
- Integrating xylogenesis in carbon balance projections for boreal forests Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Lucie Barbier (Uqat) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Forest carbon (C) balance projections rely on models describing tree physiological processes to assess forest growth. The representation of C al...
- Poster
-
- The unknown third - the exploring the climatic and non-climatic signals in hydrogen isotopes in tree-ring cellulose Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Valentina Vitali (Swiss Federal Research Inst. WSL) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Stable carbon (δ13Cc) and oxygen (δ18Oc) isotopes in tree-ring cellulose, and tree-ring width (TRW), have been used extensively to investigate t...
- Poster
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- Spatio-temporal analysis of soil moisture variations explains the tree-growth decline of multiple species in Mediterranean Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Alvaro Gonzalez-Reyes (Universidad Mayor) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Soil moisture (SM) is a crucial variable to the energy balance between the soil and the atmosphere. Given the lack of long-term instrumental SM ...
- Poster
-
- Non-pooled oak stable isotopes reveal enhanced climate sensitivity compared to ring widths Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Michal Rybníček (Mendel University in Brno) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- "Multi-centennial to millennial-long oak ring width chronologies from living and relict wood are frequently used for climate reconstructions, bu...
- Poster
-
- Intra- and inter-annual productivity of Betula glandulosa in Umiujaq, Nunavik (QC) Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Camille Lepage (Geotop) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- The main objective of this project is to quantify the increased productivity of Betula glandulosa Michx in Umiujaq, Nunavik, northern Quebec and...
- Poster
-
- Tree‑ring oxygen isotopes as an indicator of hydroclimate variation in eastern Amazon over the past century Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Bruna Hornink (University of Sao Paulo) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Oxygen isotope ratios in tree rings (δ18OTR) from Amazon forests have been shown to provide historical records of rainfall amounts at a large sc...
- Poster
-
- Intra-annual isotopes for water management in the Metropolitan Area of Sao Paulo / Brazil Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Giuliano Locosselli (Institute of Environmental Research) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Water scarcity is a major 21st century challenge that is increasing the vulnerability of the human population, especially in cities. Water risk ...
- Poster
-
+1
- Hydroclimate and ENSO Variability Recorded by Oxygen Isotopes From Tree Rings in the South American Altiplano Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Milagros Rodriguez-Caton (University of California Davis) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Hydroclimate variability in tropical South America is strongly regulated by the South American Summer Monsoon (SASM). However, past precipitatio...
- Poster
-
+2
- Reconstructing Maximum flows using tree rings in Semiarid-Mediterranean climate transition of Chile Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)
- Speaker Ariel Muñoz (Pontificia Universidad Católica de Valparaíso) |
- 12:30 - 14:00 | 1 hour 30 minutes Part of: Poster Session
- Despite their potential benefits, streamflow reconstructions from tree-rings have not been widely used in water systems analysis because the flo...
- Poster
-
18:30
18:30
- TRS-Awards ceremony & FREE Pre-Dining cocktail Coeur des Sciences, Sherbrooke Building, UQAM - Agora Hydro-Québec (CO-R500)
- 18:30 - 21:00 | 2 hours 30 minutes
- This is a mandatory (!) .... and FREE (!!) cocktail & award ceremony (!!!)(in replacement of the Banquet formula)->-&...

8:45
8:45
- A tipping point for tropical tree longevity (Keynote presentation) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 8:45 - 9:15 | 30 minutes
- How old are tropical trees? This fundamental question has long driven the curiosity of laymen and scientists. But only recently, a great number ...
- Keynote
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9:20
9:20
- Symposium 8 (PT 1). Dendrochronological progress in tropical Americas Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 9:20 - 10:50 | 1 hour 30 minutes
- Dendrochronological archives in the tropics of the Americas have been under-studied for a long time....
- Talk
- Multiproxy approaches to understanding the formation of tree rings in tropical species: exploring anatomical, physical a… Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Daigard Ricardo Ortega Rodriguez (University of Sao Paulo) |
- 9:20 - 9:27 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Methodological advances in the latest years have opened new perspectives for dendrochonological studies by facilitating the visualization, delim...
- Talk
9:25
9:25
- Using wood autofluorescence to explore the diversity of wood anatomy in the tropics and improve tree-ring visualization Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Milena Veiga (University of Sao Paulo) |
- 9:28 - 9:35 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Exploring new study sites and potential species is still a fundamental step in tropical dendrochronology. The results of exploratory field campa...
- Talk
9:35
9:35
- Advances in quantitative wood anatomy and radiocarbon dating to better assess climate sensitivity in the Andean Tropics Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Arturo Pacheco Solana (Tree Ring Lab Columbia University) |
- 9:35 - 9:42 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Tropical regions are generally characterized by dynamic ecosystems where the abundant availability of energy and resources allows for an almost ...
- Talk
9:40
9:40
- Wood anatomy of Puerto Rican trees: an ecological archive without tree-rings Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Emanuele Ziaco (Johannes Gutenberg University Mainz) |
- 9:43 - 9:50 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- In tropical environments of central America, tree-ring forming species are rare to find, especially in areas with pronounced aseasonality, but w...
- Talk
9:50
9:50
- Panel Discussion (1) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 9:50 - 10:05 | 15 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Panel
10:05
10:05
- Age structure and climate sensitivity of a high Andean relict forest of Polylepis rodolfo-vasquezii in central Peru Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Ginette Ticse (Universidad Continental) |
- 10:05 - 10:12 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- The state of fragmented populations of tree Polylepis genus heavily impact by human activities leads to the need to conduct ecological studies t...
- Talk
10:10
10:10
- Revealing Polylepis microphylla as novel Andean specie suitable for dendrochronology and quantitative wood anatomy Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Clara Rodriguez Morata (Lamont-Doherty Earth Observatory) |
- 10:13 - 10:20 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- In the tropical Andes several species of the genus Polylepis have been reported to be useful to record climate variability using tree-ring width...
- Talk
10:20
10:20
- A 389-yrs precipitation changes in the Northern South American Altiplano reveals an increase in extreme drought events s Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Mariano Morales (IANIGLA-CONICET Argentina) |
- 10:20 - 10:27 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Given the short span of instrumental hydroclimatic records in the South American Altiplano, longer time records are needed to understand the nat...
- Talk
10:25
10:25
- Climate and physiological signals in tree-ring stable isotopes of Polylepis tarapacana from the South American Altiplano Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Milagros Rodriguez-Caton (University of California Davis) |
- 10:28 - 10:35 | 7 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Polylepis tarapacana is the longest paleoclimatic tree-ring archive in the South American southern tropics. It grows up to 5200 m a.s.l. in the ...
- Talk
10:35
10:35
- Panel Discussion (2) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 10:35 - 10:50 | 15 minutes Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas
- Panel
11:00
11:00
- Symposium 8 (PT 2). Dendrochronological progress in tropical Americas Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 11:00 - 12:15 | 1 hour 15 minutes
- Dendrochronological archives in the tropics of the Americas have been under-studied for a long time....
- Talk
- Annual growth rhythm evidence of trees from the rainiest neotropical region Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Jorge A. Giraldo (Universidad Nacional de Colombia) |
- 11:00 - 11:07 | 7 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- The occurrence of annual growth rings in tropical trees—the result of the seasonal activity of vascular cambium—has been explained either by sea...
- Talk
11:05
11:05
- Assessing the dendroclimatic potential of tropical tree species in northern Bolivia Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Rose Oelkers (Lamont-Doherty Earth Observatory) |
- 11:08 - 11:15 | 7 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- The most biodiverse region in the world can be found in the tropical Andes (~5º-24ºS) between Venezuela and the Bolivian Altiplano, yet it is hi...
- Talk
11:30
11:30
- Panel Discussion (3) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 11:30 - 11:45 | 15 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- Panel
11:45
11:45
- A North Tropical Atlantic Sea Surface Temperature Reconstruction from the Dominican Republic Using Pinus occidentalis Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Jim Speer (Indiana State University) |
- 11:45 - 11:52 | 7 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- The Caribbean, like much of the tropics, is underrepresented by tree-ring chronologies making global climate reconstructions a challenge because...
- Talk
11:50
11:50
- Central American Tree-Ring Research: A Review Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Diego Pons Ganddini (Colorado State University) |
- 11:53 - 12:00 | 7 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- In this presentation we discuss the current status of tree-ring research in the neotropical Americas outside of México. The most relevant findin...
- Talk
12:00
12:00
- Panel Discussion (4) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 12:00 - 12:07 | 7 minutes Part of: Symposium 8 (PT 2). Dendrochronological progress in tropical Americas
- Panel
13:25
13:25
- Short fire intervals and long tree ring chronologies in the eastern Canadian taiga (Keynote presentation) Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- 13:25 - 14:00 | 35 minutes
- A gap of millennial tree-ring data suitable for dendroclimatology has long been evident in the North American bo...
- Keynote
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14:05
14:05
- Landscape influences on the oxygen isotope of tree rings within a watershed in the western U.S. Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Jia Hu (University of Arizona) |
- 14:05 - 14:20 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- Climate change across the western US has increased air temperature, resulting in decreased snow and lengthening of the summer drought. Recent st...
- Talk
14:20
14:20
- Differential use of North American Monsoon precipitation by Pinus ponderosa in the American southwest Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Kinzie Bailey (The University of Arizona) |
- 14:20 - 14:35 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- In the southwestern U.S. the North American Monsoon (NAM) delivers summer precipitation from July – September and the rest is provided as snowme...
- Talk
14:35
14:35
- The phylogenetic impact on hydrogen isotopes in sugars and cellulose of woody plant species Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Marco Lehmann (WSL Birmensdorf) |
- 14:35 - 14:50 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- Hydrogen isotope ratios in tree ring cellulose (δ2HC) have been recognized as a potential proxy for plant-climate interactions, plant physiology...
- Talk
14:50
14:50
- Effects of simulated increases in nitrogen deposition on a mature temperate forest as revealed by a dendroecological app… Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Rossella Guerrieri (University of Bologna) |
- 14:50 - 15:05 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- The ability of forests to continue absorbing atmospheric CO2, and hence mitigating climate change, depends on the extent to which their producti...
- Talk
15:05
15:05
- Global trends and drivers of photosynthetic carbon isotope discrimination in trees Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Soumaya Belmecheri (Laboratory of Tree Ring Reserch) |
- 15:05 - 15:20 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- Under elevated CO2, photosynthetic carbon isotope discrimination is expected to increase in response to photosynthesis stimulation. While this r...
- Talk
15:20
15:20
- The North American Monsoon and the Megadrought: How Precipitation Influences Forest Responses to Drought Conditions Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Brandon Strange (University of Arizona) |
- 15:20 - 15:35 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- Drought conditions have been projected to increase globally as atmospheric CO2 (ca) and vapor pressure deficit (VPD) increase. Experimental and ...
- Talk
15:35
15:35
- Ecophysiological response of white spruce to climate in high-latitude boreal forests in North America Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)
- Speaker Laia Andreu-Hayles (Columbia University) |
- 15:35 - 15:50 | 15 minutes Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology
- The boreal forest located in high northern latitudes stores about a third of the world’s carbon and covers almost a quarter of the Earth’s land ...
- Talk