Answer: ecological footprint
Step-by-step explanation:
The ecological footprint is used to measure the demand by individuals on natural capital. This method is being promoted by Global Footprint Network so that the quantity of nature that is required to support an economy can be estimated.
The ecological footprint simply has to do with the forest area, sea area, farm land, grazing land etc that are required to provide the economy with what they need.
Therefore, the answer is ecological footprint.