Climate variability in the mid to late Holocene Arnhem Land Region, North Australia: Archaeological archives of environmental and cultural change

Bourke, P., Brockwell, S., Faulkner, P. and Meehan, B. (2007) Climate variability in the mid to late Holocene Arnhem Land Region, North Australia: Archaeological archives of environmental and cultural change. Archaeology in Oceania, 42 3: 91-101.

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Author Bourke, P.
Brockwell, S.
Faulkner, P.
Meehan, B.
Title Climate variability in the mid to late Holocene Arnhem Land Region, North Australia: Archaeological archives of environmental and cultural change
Journal name Archaeology in Oceania
ISSN 0003-8121
Publication date 2007-10
Sub-type Article (original research)
Volume 42
Issue 3
Start page 91
End page 101
Total pages 11
Editor P. White
Place of publication Sydney, Australia
Publisher University of Sydney
Collection year 2008
Language eng
Subject C1
430201 Archaeology of Hunter-Gatherer Societies (incl. Pleistocene Archaeology)
780107 Studies in human society
Abstract A number of archaeologists have suggested that significant climatic change with environmental and social consequences occurred between 1000 and 400 years ago in the Indo-Pacific region. We investigate this premise by examining the archaeological record of changes in hunter-gatherer economies in three geographically distinct coastal regions of tropical northern Australia. These case studies support the argument that Aboriginal mollusc exploitation reflects the altered local ecological habitats that accompanied broader coastal environmental change over the last few thousand years. Overlap between the phases and timing of climatic and behavioural changes within each region suggests that, given regional variation in the nature and of these changes, there was an associated human response to late Holocene climatic variability. These case studies establish that archaeological and environmental evidence mutually support the argument for climate change influencing cultural change in northern Australia. We suggest that, while a direct physical link between environmental change and the interpretations of significant cultural change in the archaeological record have yet to be demonstrated unambiguously in this region, the analysis of mollusc exploitation has the potential to provide the direct link that is currently missing between changes in climate, environment and human responses over the last millennium. Archaeological sites have the potential to act as archives that record significant information on palaeoclimatic conditions to augment standard pollen and coral core palaeoclimate indicators (Sandweiss 2003). This becomes particularly useful in areas where few standard palaeoenvironmental studies exist, as is the case for the tropical north Australian coast, especially for the Late Holocene period. Some archaeologists argue that, in the Indo-Pacific region, significant climatic change between 1000 and 400 years ago had considerable environmental and social consequences. Most of these studies have dealt with horticulturalist societies, however, and the impact on hunter gatherer societies is less-well studied (cf. Haberle and David 2004). In tropical north Australia, radiometric dating indicates that substantial changes occurred in the shell-fishing practices of hunter-gatherer groups after approximately 1000 calibrated years ago (Bourke 2003, 2004; Brockwell et al. 2005; Faulkner 2006; Faulkner and Clarke 2004; Hiscock 1997, 1999). This paper presents an over-view of the archaeological record of changes in hunter-gatherer economic and social practices in three geographically distinct regions of tropical northern Australia (Figure 1). This is done so within the context of what is known of significant phases of climate change in order to explore the relationship between human behaviour and climate change in the late Holocene.
Keyword Arnhem land
Hunter-gatherer economies
Mollusc exploitation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Mon, 18 Feb 2008, 15:23:58 EST