title: Crossing the peninsula: the role of Noh Bec, Yucatán, in ancient Maya Classic Period population dynamics from an analysis of dental morphology and Sr isotopes.
abstract: OBJECTIVE
  This article aims to infer population dynamics in the Noh Bec region (Yucatán Peninsula, México) during the Maya Classic period (AD 350-800), based on a combined analysis of dental morphology and (87) Sr/(86) Sr isotopes, and on a comparison of the dental evidence together with archaeological signs of trade and relationships with other regions in the Maya world.
  
  
  METHODS
  Twenty-three dental morphological variables were used to estimate affinities between dental collections from Noh Bec and 10 more sites from the region. (87) Sr/(86) Sr isotopes were recorded from the enamel of permanent teeth of 32 individuals from Noh Bec, and compared to the site's local chemical signature.
  
  
  RESULTS
  Dental morphology reveals a strong affinity with Kohunlich, in the central Maya lowlands, while some diversity can be noted with the Petén sites (such as Calakmul) as well as sites on the northern coast of the peninsula. The local extent of (87) Sr/(86) Sr variation ranges between 0.7086 and 0.7088. Eight of the 32 Noh Bec individuals analyzed were born elsewhere. Isotopic values indicate different places of origin although apparently none were from the northern coast of the peninsula; instead, the range of variability reflects many locations along the western coast of the peninsula as well as inland sites in the Chenes region in Campeche.
  
  
  CONCLUSIONS
  Dental morphology and (87) Sr/(86) Sr ratios indicate intense population dynamics in the peninsula during the Maya Classic period. Despite the different nature of the dental and isotopic indicators, results agree with archaeological evidence and with proposed trade routes in the peninsula.
authors.affiliation: Facultad de Ciencias Antropológicas, Universidad Autónoma de Yucatán, Mérida, Yucatán, México, 97305.
authors.forename: Andrea
authors.initials: A
authors.lastname: Cucina
authors.affiliation: Department of Anthropology, University of Wisconsin, Madison.
authors.forename: T Douglas
authors.initials: TD
authors.lastname: Price
authors.affiliation: Facultad de Ciencias Antropológicas, Universidad Autónoma de Yucatán, Mérida, Yucatán, México, 97305.
authors.forename: Evelia
authors.initials: E
authors.lastname: Magaña Peralta
authors.affiliation: Centro INAH Yucatán, Mérida, Yucatán, México.
authors.forename: Thelma
authors.initials: T
authors.lastname: Sierra Sosa
mesh_terms: D000885:Anthropology, Physical / Q000379:methods*; D049690:History, Ancient; D006801:Humans; D008800:Mexico; D011157:Population Dynamics / Q000266:history*; D012863:Skeleton; D013325:Strontium Isotopes; D014070:Tooth
chemical_list: D013325:Strontium Isotopes