Table 1 Time requirements in the domain of ecosystem management.

From: Minimum Number of Settlers for Survival on Another Planet

Activity for ecosystem managementAnnual time requirement per individual with range for 95% CISharing factor as a function of n with range for 95% CI
Agriculture940 ± 280n0.3 ±0.05
Air management380 ± 110n0.7 ±0.1
Water management750 ± 220n0.7 ±0.1
Living organisms management940 ± 280n0.5 ±0.08
Organic wastes management940 ± 280n0.5 ±0.08
Agronomy940 ± 280n0.4 ±0.1
Other activities, including innovation1880 ± 1000n0.5 ±0.2