A camel survey in the Central Australian deserts has found numbers are increasing by about 10 per cent a year, well above government density targets.

A Government contractor has just completed the aerial survey after heavy rain over the past 18 months forced a suspension.

The survey found about one camel per square kilometre in most areas - which is about five times the Government's target.

Jan Ferguson from Ninti One, which carried out the survey, says the early data suggests camel numbers are increasing.

"We would argue yes, it does, but it's a little early to actually confirm that," she said.

"These flyovers, while it's relatively large pieces of country, it's not the whole country, so we'd be reluctant to say that just yet.

"But every indication is that yes, they're increasing by about 10 per cent a year."

Camels are a significant ecological pest, damaging waterholes and native plants.

The surveys found the highest numbers of camels south-west of Alice Springs.

Ms Ferguson says the recent rain is probably causing numbers to increase.

"What we believe may happen is because you've got rain and you've got better feed, camels that might not have survived in a drought will survive," she said.

"So the weaker ones in the herd might not have survived, but with good feed there's every potential they will survive."