Trajectories towards sustainable mountain socio-ecosystems

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Summary:

Mountain regions are especially vulnerable to the effects of global change, and particularly of climate change. In the Alps, the effects are already significant: while temperatures are on the rise, snow cover and glaciers decreases significantly... Changes will necessarily continue at least until 2030-2050. Beyond 2050, everything depends on the greenhouse gas emission pathways chosen by societies worldwide. These changes have and will have an impact on natural environments as well as on human activities.
In this context, Trajectories aims at improving our understanding of the interactions between human societies and their environment in the Alpine regions. Three pilot territories are selected: the Arve Valley, the Maurienne Valley and the Meije region. Trajectories explores temporal pathways in order to help territories adapt better. The main objectives are to observe and to understand dynamics since 1850 in order to better anticipate changes.

The workshop will compare the findings of three major international witnesses with a focus on three topics: 1) reconstruction of the past, 2) tools for reconstruction and simulation and 3) scenario development.
Tuesday 4 June
10:30am - 12:30pm 10:30 - 10:45 Short Introduction of the Project Trajectories
- Sandrine Anquetin, Research Director - Deputy director IGE, Univ. Grenoble Alpes
- Nicolas Buclet, Professor - Pacte, laboratoire des sciences sociales, Univ. Grenoble Alpes
- Sandra Lavorel, Research Director - LECA, Univ. Grenoble Alpes

Reconstitution of the Past
Chairwoman: Charline Giguet-Covex

10:45 - 11:30 Resolving past vegetation trajectories in and around the Alps to assess future ecosystem dynamics under global change conditions
- Willy Tinner, Head of Paleoecology section - Institute of Plant Sciences, University of Bern

11:30 - 12:00 A socio-ecological system trajectorie in the French Alps (Savoie, Maurienne) since 1815, from lake record and historical archives
- Claire Blanchet, PhD student - EDYTEM, University of Savoie Mont Blanc, Univ. Grenoble Alpes
- Raphaël Lachello, PhD student - LARHRA, Univ. Grenoble Alpes


12:00 - 12:30 Discussion lead by Charline Giguet-Covex - EDYTEM, University of Savoie Mont Blanc, Univ. Grenoble Alpes
12:30pm - 2pm Lunch
2pm - 4pm Past – Present – Future. Observation - Modelling
Chairwoman: Sandrine Anquetin

2:00 - 2:30 Variability and change of the Alpine climate: modelling approach over the XXth and the XXIth centuries
- Martin Menegoz, CNRS Research Scientist - IGE, Univ. Grenoble Alpes

2:30 - 3:00 Interoperability and multi-disciplinarity
- Danielle Ziebelin, Professor - LIG, Univ. Grenoble Alpes

3:00 - 3:45 The challenges of structuring environmental data. From national to European levels.
- Isabelle Braud, Research Director - Irstea, UR RiverLy, Lyon

3:45 - 4:00 Discussion lead by Samuel Morin - Météo France-CEN
4pm - 4:30pm
Coffee break
4:30pm - 6pm
Understanding the present
Chairwoman: Sandra Lavorel

4:30 - 5:15 Local to global perspectives of mountains as sentinels of change and examples of resilience & transformation
- Julia Klein, Research Scientist - Natural Resource Ecology Laboratory, Colorado State University


5:15 - 5:45 A participatory process to understand ecosystem-based adaptation to climate     change in a mountain socio-ecological system
- Enora Bruley, PhD student - LECA, Univ. Grenoble Alpes


5:45 - 6:00 Discussion lead by Sandra Lavorel - LECA, Univ. Grenoble Alpes


Speakers:

Claire Blanchet
Claire Blanchet

PhD student - EDYTEM, University of Savoie Mont Blanc, Univ. Grenoble Alpes

Claire Blanchet's work focuses on the combination of pollen and lacustrine DNA markers to develop reconstructions of the trajectories of mountain socio-ecosystems.
isabelle.braudIsabelle Braud
Research Director - Irstea, UR RiverLy, Lyon

Isabelle Braud is an hydrologist. Her researches focus on understanding hydrological processes using modeling and observations. The application projects deal with water resources management, periurban hydrology and flash flood understanding. She is also co-leading OZCAR Research Infrastructure gathering the French Critical Zone Observatories.
Enora Bruley
Enora Bruley

PhD student - LECA, Univ. Grenoble Alpes

Enora Bruley's thesis aims to explore how ecosystem services can be mobilized as a tool to initiate reflections on the adaptation of a mountain socio-ecosystem, in particular through the co-construction, with the territory's stakeholders, of adaptation trajectories.
Julia Klein
Julia Klein

Research Scientist - Natural Resource Ecology Laboratory, Colorado State University

The broad goals of Julia Klein’s research are to understand how interacting global changes affect pastoral and mountain ecosystems and livelihoods; to detect the patterns and underlying mechanisms driving these responses and feedbacks; and to identify actions and pathways to increase adaptation opportunities and contribute to sustainable futures.
Raphaël Lachello
Raphaël Lachello

PhD student - LARHRA, Univ. Grenoble Alpes

Raphaël Lachello's thesis work consists in understanding how and to what extent alpine socio-ecosystems have adapted to changes in the national forest regime and to changes in the international economic context through an analysis of historical archives. His work is applied in the Maurienne Valley.
Martin Menegoz
Martin Menegoz

CNRS Research Scientist - IGE, Univ. Grenoble Alpes

Martin Ménégoz focuses its researches on climate variability, its sensitivity to natural and anthropogenic forcings, and investigates the possibility to predict its evolution from seasonal to centennial timescales.
Willy Tinner
Willy Tinner

Head of Paleoecology section - Institute of Plant Sciences, University of Bern

Willy Tinner addresses ecological and climatic questions on annual to millennial time scales and uses quaternary sedimentary sequences (e.g. pollen, macrofossils, charcoal, diatoms, chironomids) and modelling approaches to study the long-term interactions among climate, the biosphere and society.
Danielle Ziebelin

Danielle Ziebelin

Professor - LIG, Univ. Grenoble Alpes

Danielle Ziebelin research in the field of informatic is focusing on ontological questions, in particular spatial ones, to be integrated to the modelling. She also deals with semantic web aims.