One of the world's longest migrations of zebras occurs in the African nation of Botswana, but predicting when and where zebras will move has not been possible until now. Using NASA rain and vegetation data, researchers can ...
Ecology
Aug 7, 2013
0
0
The Earth's grasslands and savannas are experiencing a major transformation as woody plants, such as trees and shrubs, have begun to dominate arid lands around the globe. While ecologists document this dramatic change in ...
Environment
Jun 22, 2012
2
0
Five zebras roam the dusty Naibelibeli plains of this protected wildlife area in Kenya as a dozen camels, bathed in afternoon sunlight, feed on thorn trees.
Ecology
Jun 21, 2012
0
0
The desert is making a comeback in the Middle East, with fertile lands turning into barren wastes that could further destabilise the region, experts said at a water conference on Thursday.
Environment
Apr 1, 2010
8
0
(PhysOrg.com) -- Like most sub-Saharan African countries, Niger faces problems meeting its water needs. As part of ESA’s TIGER initiative, satellite data are being used to identify surface and underground water resources ...
Earth Sciences
Jan 19, 2009
0
0
Crossing certain aridity thresholds in global drylands can lead to abrupt decays of ecosystem attributes such as plant productivity, potentially causing land degradation and desertification. It is largely unknown, however, ...
Ecology
Oct 16, 2023
0
1
Landsat 9's two science instruments are now attached to the spacecraft, bringing the mission one step closer to launch. In late December, the Operational Land Imager 2 (OLI-2) and the Thermal Infrared Sensor 2 (TIRS-2) were ...
Space Exploration
Jan 10, 2020
0
5
Drylands cover approximately 50% of the land surface in China, among which semi-arid regions are the main dryland type. However, these semi-arid regions have undergone continuous expansion and a significant drying trend in ...
Earth Sciences
Jul 9, 2019
0
0
