Earth

Description de l'item "Terre"

6 results

Petites maisons colorées sur un bout de terre entourée de mer

Islands and island environments faced with global changes

Openness to the outside world, incorporation within the global economy but also the growth in natural risks and rising sea levels.... With their unique characteristics, often under threat, island environments and communities are today faced with unprecedented destabilising factors.
In the ocean, near a sandy bottom, a good-sized coelacanth faces a diver.

The new coelacanth has arrived?

Indonesian and French scientists have identified what they believe to be a new species of coelacanth, shedding light on the biogeographical mechanisms at the origin of the divergence between the populations known to date. The history of the evolution of this group of fish, little changed in...

4 per 1000 initiative

Capturing carbon in the air and storing it in the ground to fight climate change: this is the goal of the ambitious 4 per 1000 strategy. This initiative, the subject of an international research programme, is mobilising several teams at the IRD.
falaise-de-glace_glacier-noir

The Achilles heel of Asia’s black glaciers

Why do Asian glaciers melt more slowly than others? Glaciologists are working on this phenomenon, focusing in particular on the many “black glaciers” in the region, covered in moraine debris. They reveal some of their specific characteristics and vulnerabilities.
pollution-par-les-plastiques

Plastic in the Saigon River

While the plastic pollution of the oceans is widely covered in the media, freshwater pollution has a lower profile. For the first time, a recent study highlights the high level of micro and macro-plastic pollution of a tropical river running through a developing megalopolis.
Cowpea roots bear nodules which contain nitrogen-fixing bacteria.

Lipids that boost symbiosis

Certain legumes form a symbiotic relationship with bacteria! Tucked into their roots, these bacteria increase the crop yield of these plants. These bacteria, capable of producing lipid molecules known as hopanoids, therefore seem to provide a distinct advantage.