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origin and environmental setting of ancient agriculture in the lowlands of mesoamerica.archaeological research in the gulf coast of tabasco reveals the earliest record of maize cultivation in mexico. the first farmers settled along beach ridges and lagoons of the grijalva river delta. pollen from cultivated zea appears with evidence of forest clearing about 5100 calendar years b.c. (yr b.c.) [6200 (14)c years before the present (yr b.p.)]. large zea sp. pollen, typical of domesticated maize (zea mays), appears about 5000 calendar yr b.c. (6000 yr b.p.). a manihot sp. pollen grain ...200111359011
microfossil evidence for pre-columbian maize dispersals in the neotropics from san andres, tabasco, mexico.the history of maize (zea mays l.) is one of the most debated topics in new world archaeology. molecular and genetic studies indicate that maize domestication took place in tropical southwest mexico. although archaeological evidence for the evolution of maize from its wild ancestor teosinte has yet to be found in that poorly studied region, other research combining paleoecology and archaeology is documenting the nature and timing of maize domestication and dispersals. here we report a phytolith ...200717426147
early maize (zea mays l.) cultivation in mexico: dating sedimentary pollen records and its implications.a sedimentary pollen sequence from the coastal plain of veracruz, mexico, demonstrates maize cultivation by 5,000 years ago, refining understanding of the geography of early maize cultivation. methodological issues related to bioturbation involved in dating that record combine with its similarity to a pollen sequence from the coastal plain of tabasco, mexico, to suggest that the inception of maize cultivation in that record occurred as much as 1,000-2,000 years more recently than the previously ...200616418287
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