Arable Land |
Most productive | Crops: grains, tubers, etc. |
Pasture Land |
1/10 as productive | Grazing cattle |
Forested Land |
Timber products | Other services, too |
Productive Sea Space |
Coastal areas | 90% catch from 8% of ocean space |
Built Land |
Biological productivity gone | Human use only |
Energy Land |
Land needed to manage our energy demands | CO2 absorption |
Biodiversity Land |
Land to maintain non-human species | Assumes a value to biodiversity |
Energy land |
a. Land "appropriated" by fossil energy use | CO2 absorption land (If we opted for fuel "crops", some land would be removed from c,d,e,or f) |
Consumed land |
b. Built environment | Degraded land |
Currently used land |
c. Gardens | environment |
| d. Crop land | Cultivated land | |
| e. Pasture | Modified systems | |
| f. Managed forest | ||
Limited land |
g. Natural forests | Productive natural ecosystems |
| h. Non-productive areas | Deserts, ice-caps |