Scientific news

Ecology, Environment and Biodiversity week

From 27 to 31 May, the CNRS is organising Ecology, Environment and Biodiversity Week, to bring together researchers, partners and local players to discuss scientific issues relating to ecology and the protection of our environment.

Papillon « Heliconius numata » dans une serre de la Plateforme d’étude expérimentale amazonienne (PLEEA).
Papillon « Heliconius numata » dans une serre de la Plateforme d’étude expérimentale amazonienne (PLEEA).

© Thibaut Vergoz / LEEISA / CNRS Images

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The aim of this week is to publicise and recognise the expertise of laboratories and observation and research facilities such as workshop zones (ZA) and observatories for man and the environment (OHM), in the study of socio-ecosystems and in support of decision-making and the resolution of environmental crises. Numerous events will take place throughout France. It gives the general public an opportunity to find out about the research being carried out in CNRS laboratories and facilities, and how this research often directly addresses local issues.

This is an opportunity for us to offer you a selection of recent productions on these themes.

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Listening to landscapes rather than watching them. This is the approach that Anne Sourdril and Luc Barbaro have chosen to conduct their research project. As an anthropologist and an ecologist, respectively, they travel across southern Arizona to hear what the local people and landscape have to say. The concept of soundscape is based on the study of the sum of all sounds, whether they are of animal, meteorological or human origin.

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Landscapes to listen to
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In this very first episode of #VaSavoir, Maxime meets snakes with Xavier Bonnet and his team from the Chizé Centre for Biological Studies. Xavier Bonnet has studied snakes for more than 30 years and is one of the most well-known French herpetologists. A perfect opportunity to consider if it is actually reasonable to fear them, but also to try to understand some strange evolutionary mechanisms and the need to make space for life in this over-tidy room that is our landscape…

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The snakes are out - Va savoir #01
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Faced with global warming, coral reefs are on the front line. As global temperatures rise, the coral bleaches and dies. This decline has an impact on its entire ecosystem. Coral reef researchers Serge Planes and Laetitia Hédouin explain why research at CRIOBE is crucial to saving the coral. This video was produced as part of the OneOceanScience campaign organised by Ifremer, CNRS and IRD. Scientists from 33 countries take part in this digital world tour and explain in a series of short…

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OneOceanScience
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The green sea turtle is now facing a high risk of extinction. In order to protect it, we first need to understand it better. That is why, since 2013, a team of 40 researchers and volunteers have been diving in Martinican waters to catch these reptiles. Before releasing the turtles into the ocean, they have been equipping them with satellite tags, cameras and microchips. This marking system enables scientists to follow the turtles' migratory patterns, dive behaviour, and to study the…

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Equipped Turtles
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An Ecotron is a device that enables scientists to simulate several climate parameters and control them to study miniature versions of given ecosystems. A team in France decided to study Arizona savannahs. Locked in hermetic climate chambers, they analyse different plants from the savannah after accurately calibrating the surrounding light, the irrigation system, and the composition of the atmosphere. Thanks to the collected data, the team will be able to forecast the ecosystem's reaction to any…

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Ecotron: a Climate Simulator
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In French Guiana, leatherback turtles—the largest sea turtles in the world—return to the same beach multiple times over the year to lay their eggs. But fewer are making it back, threatening the species with extinction. Researchers have been tracking and monitoring them to better understand the increasing anthropogenic and environmental pressures on their ecosystem.

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Giant Turtles of Yalimapo (The)

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