Table 6 Accounts for the consumption of biological resources and energy resources.
Land types | Indicator | Average global production/(kg/hm2) | Land types | Indicator | Average global energy footprint/(GJ/hm2) | Average global energy footprint |
---|---|---|---|---|---|---|
Cultivated land | grain/t | 2744 | Fossil energy land | raw coal/t | 55 | 20.934GJ/t |
oil crop/t | 1856 | coke/t | 55 | 28.47GJ/t | ||
cotton/t | 1000 | gasoline/t | 93 | 43.124GJ/t | ||
hemp crop/t | 1500 | kerosene/t | 93 | 43.124GJ/t | ||
sugar crop/t | 1500 | diesel oil/t | 93 | 42.705GJ/t | ||
tobacco/t | 354 | fuel oil/t | 71 | 50.2GJ/t | ||
vegetable/t | 18000 | petroleum/m3 | 55 | 38.978GJ/t | ||
pork/t | 74 | Construction land | electricity/KW·h | 1000 | 0.0036GJ/(KW·h) | |
poultry/t | 33 | Â | Â | Â | Â | |
poultry egg/t | 400 | Â | Â | Â | Â | |
Forest land | fruit/t | 3500 | Â | Â | Â | Â |
tea/t | 566 | Â | Â | Â | Â | |
camellia seed/t | 1600 | Â | Â | Â | Â | |
Grassland | beef/t | 33 | Â | Â | Â | Â |
mutton/t | 33 | Â | Â | Â | Â | |
Water area | aquatic product/t | 29 | Â | Â | Â | Â |