Modelling the ancient maize agriculture potential of landforms in Tikal National Park, Guatemala

Chris S. Balzotti, David L. Webster, Tim M. Murtha, Steven L. Petersen, Richard L. Burnett, Richard E. Terry

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The ancient polity of Tikal has been extensively studied by archaeologists and soil scientists, but more information is needed to determine the specific subsistence and ancient farming techniques that sustained its inhabitants for more than eight centuries. Recent settlement, soil resource, and vegetation surveys were completed during a re-evaluation of the earthworks of Tikal. The objective of this research was to combine non-parametric multiplicative regression, stable carbon isotopes, soil properties, and remote-sensing data for cost-effective, predictive modelling of ancient maize (Zea mays L.) agricultural areas. The study area is positioned within a 300 km2 region surrounding the Tikal site centre (17° 13′ 19.0″ N, 89° 27′ 25.2″ W). In the study area, ancient maize agriculture was determined using carbon (C) isotopic signatures of C4 vegetation that were incorporated into the soil humin fraction. Probability models predicting C isotopic enrichment were used to outline areas of potential long-term maize agriculture. A binomial model predicted areas mainly along the bajo margins, indicating that these areas may have been used for sustained ancient maize agriculture. Upland areas with shallow Rendolls soil were found to lack strong C4 isotopic signatures. They showed a long-term C3 vegetation signature that could have supported native forest, silvicultural activities, or C3 cropping practices (i.e. forest gardens). The mosaic of C3 and C4 signatures within the study site soils suggests that the Tikal area supported a variety of food production systems.

Original languageEnglish (US)
Pages (from-to)5868-5891
Number of pages24
JournalInternational Journal of Remote Sensing
Volume34
Issue number16
DOIs
StatePublished - Aug 2013

Fingerprint

landform
national park
maize
agriculture
modeling
vegetation
forest garden
earthworks
soil
shallow soil
food production
subsistence
production system
carbon isotope
cropping practice
soil property
stable isotope
agricultural land
remote sensing
carbon

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Cite this

Balzotti, Chris S. ; Webster, David L. ; Murtha, Tim M. ; Petersen, Steven L. ; Burnett, Richard L. ; Terry, Richard E. / Modelling the ancient maize agriculture potential of landforms in Tikal National Park, Guatemala. In: International Journal of Remote Sensing. 2013 ; Vol. 34, No. 16. pp. 5868-5891.
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Modelling the ancient maize agriculture potential of landforms in Tikal National Park, Guatemala. / Balzotti, Chris S.; Webster, David L.; Murtha, Tim M.; Petersen, Steven L.; Burnett, Richard L.; Terry, Richard E.

In: International Journal of Remote Sensing, Vol. 34, No. 16, 08.2013, p. 5868-5891.

Research output: Contribution to journalArticle

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