Documents pour «global change»

Affiche du document Migrations in responses to Global Change — Migrations in responses to Global Change
06min32
Sociologie et anthropologie
Ophélie Ronce,
director of research at the CNRS, is interested in this video (6'32) to
migrations, in response to environmental changes. She
presents the current dynamics and looks at both the opportunities and
the risks that this represents for individuals and populations, in a
context of fragmentation of environments.

Accès libre

Affiche du document Evolving Responses to Global Change — Evolving Responses to Global Change
10min16
Problèmes et services sociaux
Ophélie Ronce, research director at the CNRS, is interested in this video (10'15) to the genetic dynamics of individuals in populations subject to environmental changes. On the basis of case studies, she shows that this adaptation path is linked to factors such as genetic diversity or fertility.

Accès libre

Affiche du document Plastic responses to global change : leaf phenology — Plastic responses to global change : leaf phenology
08min44
Problèmes et services sociaux
Senior lecturer at Paris Sud University, Nicolas Delpierre presents in this video (8'44) the tree responses to climate change, focusing particularly on the dormancy period and the dates of appearance of the leaves. He thus highlights the plasticity of these living organisms.

Accès libre

Affiche du document Arctic and subarctic societies : indigenous adaptation and knowledge — Arctic and subarctic societies : indigenous adaptation and knowledge
11min55
Problèmes et services sociaux
Marie Roué, director of research at the CNRS, presents in this video (11'55) the ways of adaptation of Arctic indigenous peoples to global changes. She shows that these peoples have had to adapt in the past to different developments and poses the question of the future of local traditional knowledge in the current responses provided by these local communities.

Accès libre

Affiche du document Humans within biodiversity — Humans within biodiversity
25min28
Problèmes et services sociaux
In this video (25'28), Gilles Boeuf, professor at Pierre and Marie Curie University, presents the major global issues that humanity is facing today. He focuses on biodiversity, whose current erosion raises profound questions from an ecological, health, human and economic point of view.

Accès libre

Affiche du document Adaptation to global change and International conventions — Adaptation to global change and International conventions
08min25
Problèmes et services sociaux
Catherine Aubertin returns in this video (8'25) on the emergence of the notion of adaptation in international conventions on biodiversity and climate change. She demonstrates the political value of this concept, which opposes that of mitigation, and returns to conclude on the approach of the "voluntary national contributions", to answer these global stakes.

Accès libre

Affiche du document Plastic responses to global change — Plastic responses to global change
08min41
Problèmes et services sociaux
Anne Charmantier, director of research at the CNRS, explores in this video (8'41) one of the mechanisms of adaptation of species to the change of their environment. It is about the phenotypic plasticity, that she presents from the example of the laying of the tits.

Accès libre

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