Table 2. Characteristics of time-space units immediately preceding dramatic transformations.

Region Subregion Period Population level/change following T Ceramic diversity/change following T
Hohokam Middle Gila 950-1100 High, none 1.0, no change
Middle Gila 1275-1300+ Highest, depop 1.0
Lower Salt 950-1100 High, none 1.0, little change
Lower Salt 1275-1300+ Highest, depop 1.6
No. Periphery 950-1100 Highest, reduced 2.9, little change
Mimbres Gila 1000-1130 Highest, depop 1.1, shifts to high
Gila 1300-1450 Low, depop 2.1
Mimbres Valley 1000-1130 Highest, depop 1.0, shifts to high
Mimbres Valley 1300-1450 Low, depop 3.3
Eastern 1000-1130 Highest, reduced 1.3, shifts to high
Eastern 1300-1450 Low, depop 4.3
Zuni Central 1275-1325 Highest, little change 3.0, no change
Western 1275-1325 Low, low to depop 3.0

characterized relative to levels within each region
Key: T = dramatic transformation, depop = depopulation of subregion