The food storage model would lead to a higher level of resource depletion over time.
"If you stay in the same place, you run the risk of resource depletion," he said.
An unregulated industry practice or method can lead to a complete resource depletion.
South Africa's drop in output (down 10% from 2010 to 2012) is not a result of resource depletion but rather high production costs.
As resource depletion is a major issue on islands, the needs of human populations must also be taken into account.
He criticized the common development practice of increased economic output through natural resource depletion.
The most popular contemporary focus for resource depletion is oil (or petroleum) resources.
More recent estimates are much lower, particularly if resource depletion and increased consumption are considered.
The environmental impacts of this may include natural resource depletion, damage to habitats and potential water contamination.
But it hardly offers a long-term solution to the problem of resource depletion.