Carring Capacity And Ecological Footprinf

Question 1

Carrying capacity

Answer 1

Maximum population size that an area or environment can sustain indefinitely

Question 2

Ecological footprint

Answer 2

Measure of the demand placed by humans on earths natural ecosystems

Question 3

Overshoot

Answer 3

Ecological term referring to a point when the population and its associated consumption of resources exceeds long term carrying capacity of environment

Question 4

Total productive bio capacity

Answer 4

All water / food / energy resources produced by earths natural systems annually to sustain us.

Question 5

What did William Rees say?

Answer 5

Human carrying capacity can be flexible depending on average lifestyle of population concerned.

Varying levels of consumption of resources in different parts of the world.

Large population supported by Lowe consumption

Measures total productive bio capacity dividing this by total population

Question 6

What did calculations in 2010 show that if we share the earths productive bio capacity evenly ?

Answer 6

Each person has approx 2 global ha available