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Virginia Tech researchers explore causes of land cover change in African savannas（图）
Virginia Tech researchers land cover change African savannas
2017/11/23
A new study by Virginia Tech researchers tracks land cover changes in the Chobe district of Northern Botswana and provides information that will allow governments and nonprofit organizations to improv...
Land cover change in Botswana savannas:Don't blame the elephants（图）
Land cover change Botswana savannas Don't blame the elephants
2017/11/23
Why are drylands changing in the Chobe district of Northern Botswana? A new study tracks differences in the savanna there across 30 years, and provides information that will allow governments and non-...
Atmospheric nitrogen budget in Sahelian dry savannas
Atmospheric nitrogen budget Sahelian dry savannas
2010/8/12
This study uses original and unique data from remote and hardly-ever-explored regions.The monthly evolution of oxidized N compounds shows that emission and deposition increase at the beginning of the ...