Description de l'item "Terre"

Classe
terre

How Environmental Changes are Causing New Diseases to Emerge?

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...
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.

The climate in ice

Where are the climate archives ? In the ice ! During the first Ice Memory expeditions, international scientists extracted five ice cores from the world's highest glaciers containing gases and aerosols that have been trapped for thousands of years. Two of them will be analysed in Grenoble, in the...
dechets-plastiques

Variability and convergence at the heart of the oceans

While gigantic eddies trap floating particles at the heart of each ocean basin in subtropical regions, other currents link the Southern Indian Ocean to the South Pacific. Stable connection over 8,000 km!
Etude des fonds coralliens en Nouvelle-Calédonie, dans le cadre du projet PRISTINE, 2013.

Effectiveness of marine reserves compromised by proximity to humans

The environmental benefits of marine reserves located near human populations are limited. This was demonstrated by researchers from the University of Montpellier, IRD and the University of New Caledonia, in conjunction with CNRS, as they studied 1,800 coral reefs, 106 of which were located in 20...
erosion-au-chili

Chile: a history of erosion

Chile is an ideal study site for geologists, due to its exceptional climate gradient. Over the past few hundred years, climate but also human activities have severely impacted soils in this country.

The Challenges of the Sub-Saharan Urban Explosion

Sub-Saharan African cities are presently growing at a size and speed unprecedented in human history. This region of the continent, which was always very rural up to now, is becoming predominantly urban. Small, medium-sized and large cities are doubling in size year on year, with some growing by 1...

The old chief and the rain gauge

When instructions are taken very seriously

The effects of gold mining in rivers in French Guiana

A study conducted in the French Guiana basin where artisanal gold mining in occurs has shown there is mercury in the environment from these activities. It is even found in the piscivorous fish and indigenous communities that eat food from the rivers affected. These are important and innovative...