Processes contributing to development of ephemeral gully channels are of great importance to landscapes worldwide, and particularly in dryland regions where soil loss and land degradation from gully erosion pose long-term land-management problems.
Drylands also support rain-fed crops.
The already impoverished drylands would suffer most.
Disputing Environmental Change in the Drylands is a collection of essays edited by Roy Behnke and the veteran drylands expert Mike Mortimore.
Over 60 percent of these irrigated areas occur in drylands.
In 2000, "Benang," by Kim Scott, shared the prize with Thea Astley's book "Drylands".
Head inland to discover the drylands - the Sertões and its unique culture.
Blown from northern deserts and degraded drylands, it coats roads, clogs railways and desiccates pastures.
Rainfall is scarce in drylands, but when it does come it can be torrential.
The drylands of Ethiopia and Kenya sit in the heart of the drought zone, along with southern Somalia.
