But the proposal has faced stiff opposition on environmental and financial grounds, and conservationists have proposed other plans to restore life to one of the world's great natural landmarks.
There are very few standing trees left on the island to stabilize the ground, conservationists say, "causing soil and rocks to crumble into the sea, threatening nearshore coral reef in the waters below".
The unprecedented survey, carried out by Allen's company Vulcan with £7m of funding, is the first continent-wide aerial survey of African elephants using standardised data collection and technical validation methods, involved more than 90 scientists, six NGOs and many volunteers and conservationists on the ground.
Summits titles are therefore written by a wide range of scientists, on-the-ground conservationists, scholars, and policy experts.
He works together with Peruvian conservationists on the ground to make inroads where state governments have failed.
A habitat as diverse as that in the Amazon rainforest will face ecological disaster unless the Government takes urgent action to restrict access to prime fishing grounds in the Irish Sea, marine conservationists have warned.
Modern conservation is generally against the idea of species being spread into novel habitats, and he opposes Mr Donlan's idea on those grounds, as well.One reason conservationists try to stop alien introductions is pragmatic they sometimes do serious damage to native species.
However, the participation of local users has been opposed by conservationist policies, which limit their access to fishing grounds.
But if great apes are to survive the palm oil boom, companies and conservationists must find common ground.
Those who advocate an instrumental value approach to conservation say that so-called traditional conservationists ignore on-the-ground human realities and romanticize wild places.
