Why aren't there more lions? That was what puzzled McGill PhD student Ian Hatton, when he started looking at the proportion of predators to prey across dozens of parks in East and Southern Africa. In this case, the answer ...
Ecology
Sep 3, 2015
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Savannas are becoming increasingly woodier as trees gain the upper hand over grasses in these ecosystems, but this encroachment may proceed more slowly than previously thought, new University of Otago-led research suggests.
Environment
Aug 12, 2015
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(Phys.org) —In African savannas, when the large animals are away, the mice—and snakes, fleas and ticks—will play.
Ecology
May 8, 2014
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A "one-size-fits-all" model to predict the effects of climate change on savanna vegetation isn't as effective as examining individual savannas by continent, according to research published in Science this week.
Environment
Jan 30, 2014
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Researchers have identified gamba grass and other invasive weeds as a potential threat to landholder involvement in environmental offset programs such as the Carbon Farming Initiative.
Environment
Aug 12, 2013
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Increased levels of carbon dioxide (CO2) have helped boost green foliage across the world's arid regions over the past 30 years through a process called CO2 fertilisation, according to CSIRO research.
Environment
Jul 3, 2013
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Central African states on Saturday said they would mobilize up to 1,000 soldiers and law-enforcement officials to immediately start joint military operations to protect the region's last remaining savanna elephants, threatened ...
Ecology
Mar 27, 2013
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It has long been believed that male lions are dependent on females when it comes to hunting. But new evidence suggests that male lions are, in fact, very successful hunters in their own right. A new report from a team including ...
Plants & Animals
Mar 18, 2013
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The Orinoco River flows from the Andes in Colombia to the Atlantic in Venezuela. The area of the basin includes landscapes of the Andes, plains of the Llanos and the Guiana shield. Orinoco's tributary rivers form a basin ...
Ecology
Mar 12, 2013
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Dining on field grasses would be ruinous to human teeth, but mammals such as horses, rhinos and gazelles evolved long, strong teeth that are up to the task.
Archaeology
Mar 4, 2013
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