A Late Quaternary palaeoecological record from the Banda Sea, Indonesia: patterns of vegetation, climate and biomass burning in Indonesia and northern Australia

A Late Quaternary palaeoecological record from the Banda Sea, Indonesia: patterns of vegetation,... Palynological, charcoal, elemental carbon and elemental carbon stable isotope analyses on Banda Sea core SHI-9014 provide a detailed regional vegetation, fire and climate history for the Banda Sea area (eastern Indonesia and northern Australia) through the last 170–180,000 years. Reliable chronostratigraphic control is provided by a detailed oxygen isotope record and, in the younger part of the sequence, by radiocarbon dates. The results indicate that during the last two glacial periods (particularly stages 6, 4, and 2) drier climates prevailed in both eastern Indonesia and northern Australia and lower montane forests dominated by Fagaceae expanded, indicating cooler climatic condition in eastern Indonesia. High charcoal and elemental carbon values suggest increased burning during these periods. Expansion of tropical lowland rainforests, humid mid and upper montane forests, fern and woodland cover occurred in the interglacial periods (stage 5 and the Holocene), indicating warm and humid conditions. The Banda Sea record indicates that before 37,000 yr B.P. Dipterocarpaceae formed an important part of the tropical lowland vegetation of eastern Indonesia. Its subsequent demise coincides with an increase in disturbance pollen indicators, the replacement of Eucalyptus woodlands and open forests by open grassland vegetation and higher burning levels. It is likely that these changes relate to an increase in human impact on the landscape. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Palaeogeography, Palaeoclimatology, Palaeoecology" Elsevier

A Late Quaternary palaeoecological record from the Banda Sea, Indonesia: patterns of vegetation, climate and biomass burning in Indonesia and northern Australia

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Publisher
Elsevier
Copyright
Copyright © 2000 Elsevier Science B.V.
ISSN
0031-0182
eISSN
1872-616X
D.O.I.
10.1016/S0031-0182(99)00098-X
Publisher site
See Article on Publisher Site

Abstract

Palynological, charcoal, elemental carbon and elemental carbon stable isotope analyses on Banda Sea core SHI-9014 provide a detailed regional vegetation, fire and climate history for the Banda Sea area (eastern Indonesia and northern Australia) through the last 170–180,000 years. Reliable chronostratigraphic control is provided by a detailed oxygen isotope record and, in the younger part of the sequence, by radiocarbon dates. The results indicate that during the last two glacial periods (particularly stages 6, 4, and 2) drier climates prevailed in both eastern Indonesia and northern Australia and lower montane forests dominated by Fagaceae expanded, indicating cooler climatic condition in eastern Indonesia. High charcoal and elemental carbon values suggest increased burning during these periods. Expansion of tropical lowland rainforests, humid mid and upper montane forests, fern and woodland cover occurred in the interglacial periods (stage 5 and the Holocene), indicating warm and humid conditions. The Banda Sea record indicates that before 37,000 yr B.P. Dipterocarpaceae formed an important part of the tropical lowland vegetation of eastern Indonesia. Its subsequent demise coincides with an increase in disturbance pollen indicators, the replacement of Eucalyptus woodlands and open forests by open grassland vegetation and higher burning levels. It is likely that these changes relate to an increase in human impact on the landscape.

Journal

"Palaeogeography, Palaeoclimatology, Palaeoecology"Elsevier

Published: Jan 1, 2000

References

  • Late Quaternary paleoceanography of the Banda Sea
    Ahmad, S.M.; Guichard, F.; Hardjawidjaksana, K.; Adisaputra, M.K.; Labeyrie, L.D.
  • Determination of the abundance and carbon-isotope composition of elemental carbon in sediments
    Bird, M.I.; Gröcke, D.R.
  • Problems of the Quaternary on mountains of the Sunda–Sahul region
    Flenley, J.R.
  • Tropical forests under the climates of the last 30,000 years
    Flenley, J.R.
  • The last glacial cycle from the humid tropics of northeastern Australia: comparison of a terrestrial and a marine record
    Moss, P.T.; Kershaw, A.P.
  • A 135,000-year record of vegetational and climatic change from the Bandung area, West-Java, Indonesia
    Van der Kaars, W.A.; Dam, M.A.C.
  • A record of fire, vegetation and climate through the last three glacial cycles from Lombok Ridge core G6-4, eastern Indian Ocean
    Wang, X.; Van der Kaars, S.; Kershaw, A.P.; Bird, M.; Jansen, F.

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