Site Catchment Analysis
Radius = Speed * Time * Terrain Factor
Area = pi * Radius^2
Standard: 1 hr (agriculture), 2 hr (pastoral)
Site Catchment Analysis (Vita-Finzi & Higgs, 1970) examines the territory around a site that would have been regularly exploited. Agricultural communities typically exploit resources within a 1-hour walk (5 km), while pastoral groups range further. Terrain significantly affects effective catchment size.