Culture and Ecology of Chaco Canyon and the San Juan Basin

184 Chaco Project SynthesisTable 6.3. Estimated population in Chaco Canyon that could be supported by agriculture.Acres per PersonReference Area Acreage 3 2 0.89Hayes (1981) Main canyon alluvium 3,200 1.067 1,600 3596Loose and Lyons (1976a) Main canyon, two vegetative 3,584 1,195 1,792 4,026zonesGwinn Vivian (1991) Main canyon; side drainages and 2,667 889 1,334 2,997their alluvial fansSchelberg (1982a) Main canyon 3,584 1,195 1,792 4,026At 40% fallow 717 1,075 2,416At 50% fallow 598 896 2,013Escavada 1,000 ft 2,788 929 1,394 3,133Escavada 500 ft 1,394 465 697 1,566Escavada 250 ft 697 232 348 783A. Cully and Toll (1986) Kin Klizhin 123.2 41 62 138Kin Bineola 218.2 73 109 245South Addition 155.9 52 78 175Chacra Mesa 432.9 144 217 486Bis sa'ani community 380-470 123 153 426-528Table 6.4. Estimates of populations at excavated sites based on faunal remains. aEstimated length ofEstimated faunal Estimated site time population could Estimated occupationSite Number remains in man years population be supported of site298J299 2 9 81 days 150 years29SJ628 14.1 5 2.8 years 75 years29SJ724 1 9 40.5 days 30 years29S11360 7.9 20 145 days 50 years298J627 50 10 5 years 150 yearsPueblo Alto Trash 6,360 100 63 years 70 yearsMound• Estimates taken from Akins (1985:400-401).