Raquel Alfaro-Sánchez

Postdoc

Wilfrid Laurier University

Participates in 2 items

Sessions in which Raquel Alfaro-Sánchez participates

Tuesday 28 June, 2022

Time Zone: (GMT-05:00) Eastern Time (US & Canada)

9:20

General Session (Dendroecology, PT1)

1 hour 15 minutes, 9:20 - 10:35

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Margaret Evans, University of Arizona (Speaker)

Raquel Alfaro-Sánchez, Wilfrid Laurier University (Speaker)

Yu-Mei Jiang, Czech University of Life Sciences Prague (Speaker)

Dario Martin-Benito, INIA-CSIC (Speaker)

Raphael Chavardes, Université du Québec en Abitibi-Témiscamingue (Speaker)

Justin Maxwell, Indiana University (Chair)

Pauline Balducci, Geotop (Chair)

9:35

Unprecedented increase in tree growth rates in boreal forests on the Taiga Shield during the 21st century

15 minutes, 9:35 - 9:50

Part of: General Session (Dendroecology, PT1)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Raquel Alfaro-Sánchez, Wilfrid Laurier University (Speaker)

During the 21st century, the boreal biome has warmed at rates 3-4 times the global average, impacting forests directly through changes in temper...

Sessions in which Raquel Alfaro-Sánchez attends

Tuesday 28 June, 2022

Time Zone: (GMT-05:00) Eastern Time (US & Canada)

11:00

Symposium 1 (PT 2). Tree rings from national forest inventories: a timely opportunity to assess tree growth across space and through time

1 hour 15 minutes, 11:00 - 12:15

Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)

Talk

Martin Girardin, Canadian Forest Service (Moderator)

Babst Flurin, University of Arizona (Moderator)

R. Justin DeRose, Utah State University (Moderator)

Margaret Evans, University of Arizona (Moderator)

Genaro Gutierrez, Universidad Nacional Autónoma de México (Moderator)

Stefan Klesse, Swiss Federal Research Institute WSL (Moderator)

William Marchand, Czech University of Life Sciences (Speaker)

Bogdan Strimbu, FERM (Speaker)

Ariane Mirabel, University of Western Ontario / Centre de Foresterie des Laurentides (CFL) (Speaker)

Tree-ring time series provide long-term, annually resolved information on the growth of individual trees. However, public tree-ring archives con...

Growth and wood density in conifer forest: a climatic analysis of samples from Mexico's National Forest Inventory

15 minutes, 11:00 - 11:15

Part of: 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)

Talk

Genaro Gutierrez, Universidad Nacional Autónoma de México (Speaker)

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...

11:15

Cold-season freeze frequency is a pervasive driver of sub-continental forest growth

15 minutes, 11:15 - 11:30

Part of: 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)

Talk

Martin Girardin, Canadian Forest Service (Speaker)

As northern latitudes experience rapid winter warming, there is an urgent need to assess the effect of varying winter conditions on tree growth ...

11:30

Changes in juvenile growth rates of Norway spruce and European beech from Central Europe in link with climate warming

15 minutes, 11:30 - 11:45

Part of: 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)

Talk

William Marchand, Czech University of Life Sciences (Speaker)

Montane forests of Central Europe are experiencing faster changes in climate than the average trends. It is still unclear how these natural fore...

12:00

Boreal forests tree-ring data provide insights for improving climate sensitivity of terrestrial biosphere models

15 minutes, 12:00 - 12:15

Part of: 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)

Talk

Ariane Mirabel, University of Western Ontario / Centre de Foresterie des Laurentides (CFL) (Speaker)

Our understanding of climate change impacts on boreal forest net primary productivity (NPP) largely rely on terrestrial biosphere models (TBMs)....

13:45

Intra-annual boreal tree growth and water stress responses to environmental changes

15 minutes, 13:45 - 14:00

Part of: General Session (Ecophysiology)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Jeanny Thivierge-Lampron, Université du Québec en Abitibi-Témiscamingue (Speaker)

In the context of climate change, more research is needed to better understand the impact of short-term environmental stressors on forest produc...

Two centuries of hydroclimatic variability reconstructed over the Amazonian Andes of Peru

15 minutes, 13:45 - 14:00

Part of: General Session (Dendroclimatology, PT3)

Coeur des Sciences, Sherbrooke Building, UQAM - Classroom (SH-3420)

Talk

María Eugenia Ferrero, IANIGLA-CONICET Argentina (Speaker)

Half of the tributaries of the Amazon River originate in the tropical Andes; however, it is difficult to assess hydroclimatic conditions due to ...

14:30

Ecological implications of leaf water deuterium enrichment

15 minutes, 14:30 - 14:45

Part of: General Session (Ecophysiology)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Charlotte Angove, Natural Resources Institute Finland (Speaker)

Leaf water isotopic enrichment (ΔD[LW]) is the original source of climatic information stored in tree-ring δ¹⁸O and δD. Tree-ring δ¹⁸O temporal ...

14:45

Potential growth scenarios for boreal forests with the ecophysiological model MAIDEN

15 minutes, 14:45 - 15:00

Part of: General Session (Ecophysiology)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Marceau Badaroux, Uqat (Speaker)

In the context of climate and environmental change, the boreal forest is subject to potential changes in structure and function. Stand-level phy...

Thursday 30 June, 2022

Time Zone: (GMT-05:00) Eastern Time (US & Canada)

10:10

Revealing Polylepis microphylla as novel Andean specie suitable for dendrochronology and quantitative wood anatomy

7 minutes, 10:13 - 10:20

Part of: Symposium 8 (PT 1). Dendrochronological progress in tropical Americas

Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)

Talk

Clara Rodriguez Morata, Lamont-Doherty Earth Observatory (Speaker)

In the tropical Andes several species of the genus Polylepis have been reported to be useful to record climate variability using tree-ring width...

10:20

The greening effect described by remote sensing data was not coupled with phenological and tree growth rates in Mexico

15 minutes, 10:20 - 10:35

Part of: General Session (Proxies and models)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Arian Correa-Diaz, Instituto Nacional de Investigaciones Forestales Agricolas y Pecuarias (Speaker)

In temperature-limited ecosystems such as high-elevation forests, rising temperatures and increasing carbon dioxide can result in a greening eff...

11:45

Neogene paleotemperature estimates from lignin-methoxy hydrogen isotopes of sub-fossil wood in the Canadian Arctic

15 minutes, 11:45 - 12:00

Part of: Symposium 4. Dendrogeochemistry ‘moving beyond potential’

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Trevor Porter, University of Toronto Mississauga (Speaker)

Neogene fossil beds in the Canadian Arctic Archipelago (CAA) provide a window into past greenhouse intervals and insights on what a future, warm...

13:25

Short fire intervals and long tree ring chronologies in the eastern Canadian taiga (Keynote presentation)

35 minutes, 13:25 - 14:00

Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)

Keynote

Dominique Arseneault, Université du Québec à Rimouski (Keynote speaker)

A gap of millennial tree-ring data suitable for dendroclimatology has long been evident in the North American bo...

14:05

Forward modelling reveals a complex pattern of climatic control on wood formation in conifers at cold-limited sites

15 minutes, 14:05 - 14:20

Part of: General Session (Xylogenesis and anatomy)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Jelena Lange, Charles University (Speaker)

Treeline ecotones at high latitudes and high elevations are generally temperature-limited environments. However, there is evidence that temperat...

14:20

Origin of intra-annual density fluctuations in a semi-arid area of Northwestern China

15 minutes, 14:20 - 14:35

Part of: General Session (Xylogenesis and anatomy)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Jiani Gao, Université du Québec à Chicoutimi (Speaker)

Intra-annual density fluctuation (IADF) is a structural modification of the tree ring in response to fluctuations in the weather. To reveal the ...

14:35

Upscaling xylem phenology: Sample size matters

15 minutes, 14:35 - 14:50

Part of: General Session (Xylogenesis and anatomy)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Roberto Silvestro, Université du Québec à Chicoutimi (Speaker)

Trees exhibit different growth rates and timings of wood formation. However, the factors explaining these differences remain undetermined, makin...

The phylogenetic impact on hydrogen isotopes in sugars and cellulose of woody plant species

15 minutes, 14:35 - 14:50

Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology

Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)

Talk

Marco Lehmann, WSL Birmensdorf (Speaker)

Hydrogen isotope ratios in tree ring cellulose (δ2HC) have been recognized as a potential proxy for plant-climate interactions, plant physiology...

14:50

Contrasting carbon allocation strategies related to wood porosity converge toward similar growth responses to drought

15 minutes, 14:50 - 15:05

Part of: General Session (Xylogenesis and anatomy)

Coeur des Sciences, Sherbrooke Building, UQAM - Salle polyvalente (SH-4800)

Talk

Valentina Buttò, Université du Québec en Outaouais (Speaker)

In mixed forests, diffuse-porous and ring-porous species represent two distinct functional groups undergoing similar environmental variations, b...

15:35

Ecophysiological response of white spruce to climate in high-latitude boreal forests in North America

15 minutes, 15:35 - 15:50

Part of: Symposium 3. Ecophysiological interpretations of stable isotopes in dendroecology

Coeur des Sciences, Sherbrooke Building, UQAM - Amphitheatre (SH-2800)

Talk

Laia Andreu-Hayles, Columbia University (Speaker)

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 ...