How much land to feed a city of 10,000 people
A city of 10,000 people, climate by climate: the countryside its grain comes from and how far a cart must haul it, inland and on a river. About the size of York around 1377.
Away from water, it needs the least land in the flooded grassland (520 km², 1 day by cart) and the most in the barrens (62,000 km², 6 days). Its grain comes within a day's cart in 2 of 13 climates away from water, and in 7 on a river.
| Climate | Inland | On a river |
|---|---|---|
| Tropical Rainforest | 7,900 km², 2.5 days | 7,900 km², 1.5 days |
| Tropical Dry Forest | 2,000 km², 1.5 days | 2,000 km², 1 day |
| Temperate Forest | 2,300 km², 1.5 days | 2,300 km², 1 day |
| Temperate Conifer Forest | 8,700 km², 2.5 days | 8,700 km², 1.5 days |
| Taiga | 18,000 km², 3.5 days | 18,000 km², 2 days |
| Savanna | 3,100 km², 1.5 days | 3,100 km², 1 day |
| Grassland | 2,200 km², 1.5 days | 2,200 km², 1 day |
| Flooded Grassland | 520 km², 1 day | 520 km², 0.5 days |
| Alpine Meadow | 19,000 km², 3.5 days | 19,000 km², 2 days |
| Mediterranean Scrub | 2,500 km², 1.5 days | 2,500 km², 1 day |
| Hot Desert | 1,700 km², 1 day | 1,700 km², 1 day |
| Cold Desert | 17,000 km², 3 days | 17,000 km², 2 days |
| Barrens | 62,000 km², 6 days | 62,000 km², 3.5 days |
1,000, 3,000, 30,000, 100,000, 300,000, 1,000,000
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