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Title: Ends of the Earth : culture change in prehistoric New Zealand and East Polynesia
Author: Brown, A. A.
Awarding Body: UCL (University College London)
Current Institution: University College London (University of London)
Date of Award: 2016
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East Polynesia is a vast region encompassing the 150 million km2 of ocean and scattered islands between Hawai'i, Rapa Nui and New Zealand. The societies in this region share common ancestry but distinct social and environmental conditions on different islands have shaped the emergence of unique cultures. In New Zealand, understanding of the pattern and process of change from the ancestral East Polynesian culture to the distinctive Māori culture has been undermined by a series of developments. In particular, a large-scale review of early radiocarbon dates (Anderson 1991) has reduced the established length of Māori occupation of New Zealand before European contact from around 1000 years to 500, halving the time in which change could occur. Despite these developments, no attempt has been made to integrate archaeological data with this new temporal framework. This research addresses this issue by re-evaluating patterns of change in material culture and population within a Darwinian framework. Classification and frequency seriation of material culture assemblages is used to develop diachronic sequences of change, which are tested against a null explanatory model of random drift. Both traditions show significant variation from this model suggesting other processes, such as selection, are more likely causes of change. Comparison of the diachronic sequences of change with the available radiocarbon dates also suggests that many characteristics linked with the later period in New Zealand emerged very rapidly, consistent with the idea of rapid adaptation to the new environment. The influence of population size and growth on culture change is also considered in this research. Summed probability distributions from collated radiocarbon dates show a variety of regional population trajectories, which can be linked to the patterns of change observed in the material culture. This is clearest in the southern region where large-scale population collapse may well be a major cause of stasis in the development of material culture. The comparison between the regional patterns in New Zealand and other East Polynesian islands reveals both similarities and key differences in the establishment and emergence of culture in the region.
Supervisor: Shennan, S. ; Bevan, A. Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available