In late 2009, drought had reduced the water storage level to 4.5 per cent of the reservoir's capacity.
A drought over the last two years reduced the national sheep stock by about seven million head.
That happened quickly, in 2004, when a drought sharply reduced the food supply.
Though drought may have reduced recent plant numbers, the species is believed to be declining overall.
Fire is a threat, and a drought in 2002 also reduced the population.
In October 2005 the dam was reactivated as drought reduced the region's water supply to a critical point.
Experts did not offer estimates on how much the drought might reduce that.
The droughts of 2004 have reduced this to one.
A10 Farmers are in better financial shape now than they were a decade ago, even though this year's drought has reduced yields.
A recent drought reduced the moisture level in the sand and flowers were unable to set seed.