SCIE 1P51 Lecture Notes - Lecture 3: Biocapacity, Global Hectare
1 Nov 2014
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Document Summary
The capacity of ecosystems to produce useful biological materials and to absorb waste materials generated by humans using current management schemes and extraction technologies. Biocapacity is usually expressed in global hectares gha. Producing what we need. estimate of 12 billion hectares of productive. 7 billion people = 1. 7 global hectares per person. In canada each person uses about 7. 1 hectares/person. Therefore is everyone adopted the canadian consumptive lifestyle we would need 4 planets. We are running out of resources because we use so much. Human impact: wwf showed what they predict for the earths consumption of resources and the impact it will have on the earth. Shows how many earths we are using and what the future will look like. Shows how it impacts animals and different species. It shows what we can do to change our lifestyles and keep these animals alive and not make them become extinct. Talks about the oceans and what"s happening in our oceans.
