Ecological Footprints

What is the difference between carrying capacity and the footprint ?

Carrying capacity tells us how many individuals we can sustainably support in a enviroment. While the ecological footprint tells us how much land we need to sustainably provide for a certain population.

What factors do affect our ecological footprint?

Consumption, economy or population of a certain area.

What do humans need "land" for ?

Cropland. Grazing land. Forest for timber and fuel. Fishing ground. Forest for carbon sequiation.

Which one of a credetor or debator have the largest footprint?

Debator.

What is the definition of the ecological footprint?

It is a measure of the human demand on the earths ecosystems.

What does the ecological footprint tell us ?

It tells us the area of land needed to sustainably provide for a certain population and assimilate it's waste.

Give 3 examples of factors that are not part of the ecological footprint

Waste flows and Nuclear power.

How is the ecological footprint measured ?

We divide our food consumption (kgyr-1) by the mean food production per hectare of local arable land (kgha-1yr-1)