APES Ecological Footprint
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13 Terms
ecological footprint
the only metric unit that measures how much nature we have and how much nature we use
- measures the ecological assets that a given population requires to produce the natural resources it consumes
biocapacity
represents the productivity of its ecological assets
- measures the new resource generation rate
relation of biocapacity and ecological footprints
ecological footprint measures how fast we consume resources and generate waste, while biocapacity measures how fast nature can absorb waste and generate new resources
examples of resources that we consume and origins
- energy from carbon footprint
- seafood from fisheries
- food and fiber from cropland and pasture
ecological deficit
condition of a region if the ecological footprint exceeds the region's biocapacity
ecological reserve
condition of region if its biocapacity exceeds its ecological footprint
country with largest ecological footprint
US, 8.4 gha.- combusts more fossil fuels than others
country with smallest ecological footprint
Haiti, 0.7 gha. Still developing world
country with largest biocapacity deficit
Singapore- small area, lots of people
country with largest biocapacity reserve
French Guiana, surrounded by water, so it's a coastland that has a lot of natural resources
US position on biocapacity charts
halfway on biocapacity deficit chart. - consumes too many resources and combusts too much fossil fuels
ecological overshoot
annual demand on resources exceeding what Earth can regenerate each year
- use more ecological resources services than nature can regenerate
global hectare
a biologically productive hectare with world average productivity