Late-Holocene faunal and landscape change in the Bahamas

David W. Steadman, Nancy A. Albury, Perry Maillis, Jim I. Mead, John Slapcinsky, Kenneth L. Krysko, Hayley M. Singleton, Janet Franklin

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We report an intertidal, bone-rich peat deposit on the windward (Atlantic Ocean) coast of Abaco, The Bahamas. The age of the Gilpin Point peat (c. 950-900 cal. yr BP) is based on five overlapping radiocarbon dates (one each from single pieces of wood of buttonwood Conocarpus erectus and sabal palm Sabal palmetto, and single bones of the Cuban crocodile Crocodylus rhombifer, Albury's tortoise Chelonoidis alburyorum, and green turtle Chelonia mydas). The short time interval represented by the charcoal-rich peat suggests rapid sedimentation following initial anthropogenic fires on Abaco. The site's diverse snail assemblage is dominated by terrestrial and freshwater species. The peat is exposed today only during exceptionally low tides, suggesting a lower sea level at the time of deposition as well as a degrading shoreline during the past millennium. Fossils from Gilpin Point represent a late-Holocene vertebrate community at the time of first human presence; only 10 of the 17 identified species of amphibians, reptiles, birds, and mammals still live on Abaco. Numerous unhealed bite marks on the inside of the thick carapaces of the green turtle attest to consumption by Cuban crocodiles, which probably scavenged turtles butchered by humans. This concept, along with the dense concentration of bones in the peat, and charring on some bones of the green turtle and Abaco tortoise, suggests a cultural origin of the bone deposit at Gilpin Point, where the only Amerindian artifact recovered thus far is a shell bead.

Original languageEnglish (US)
Pages (from-to)220-230
Number of pages11
JournalHolocene
Volume24
Issue number2
DOIs
StatePublished - Feb 2014

Fingerprint

landscape change
bone
peat
turtle
Holocene
reptile
charcoal
amphibian
snail
artifact
shoreline
vertebrate
tide
mammal
Landscape Change
Bahamas
Peat
Late Holocene
sea level
sedimentation

Keywords

  • Bahamas
  • Holocene
  • landscape change
  • peat
  • snails
  • vertebrates

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Global and Planetary Change
  • Ecology
  • Palaeontology
  • Archaeology

Cite this

Steadman, D. W., Albury, N. A., Maillis, P., Mead, J. I., Slapcinsky, J., Krysko, K. L., ... Franklin, J. (2014). Late-Holocene faunal and landscape change in the Bahamas. Holocene, 24(2), 220-230. https://doi.org/10.1177/0959683613516819

Late-Holocene faunal and landscape change in the Bahamas. / Steadman, David W.; Albury, Nancy A.; Maillis, Perry; Mead, Jim I.; Slapcinsky, John; Krysko, Kenneth L.; Singleton, Hayley M.; Franklin, Janet.

In: Holocene, Vol. 24, No. 2, 02.2014, p. 220-230.

Research output: Contribution to journalArticle

Steadman, DW, Albury, NA, Maillis, P, Mead, JI, Slapcinsky, J, Krysko, KL, Singleton, HM & Franklin, J 2014, 'Late-Holocene faunal and landscape change in the Bahamas', Holocene, vol. 24, no. 2, pp. 220-230. https://doi.org/10.1177/0959683613516819
Steadman DW, Albury NA, Maillis P, Mead JI, Slapcinsky J, Krysko KL et al. Late-Holocene faunal and landscape change in the Bahamas. Holocene. 2014 Feb;24(2):220-230. https://doi.org/10.1177/0959683613516819
Steadman, David W. ; Albury, Nancy A. ; Maillis, Perry ; Mead, Jim I. ; Slapcinsky, John ; Krysko, Kenneth L. ; Singleton, Hayley M. ; Franklin, Janet. / Late-Holocene faunal and landscape change in the Bahamas. In: Holocene. 2014 ; Vol. 24, No. 2. pp. 220-230.
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