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Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology

Neil Loader Orcid Logo, Gretel Boswijk, Giles Young, Alan G. Hogg, Danny McCarroll

Dendrochronologia, Volume: 76, Start page: 126030

Swansea University Authors: Neil Loader Orcid Logo, Giles Young, Danny McCarroll

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Abstract

Aotearoa New Zealand has a rich cultural heritage but dating wooden objects using classic dendrochronology is challenging due to a paucity of master tree-ring width chronologies for species commonly identified in the archaeological record. This paper explores the potential for using a stable isotopi...

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Published in: Dendrochronologia
ISSN: 1125-7865
Published: Elsevier BV 2022
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spelling 2022-11-28T14:38:10.6769610 v2 61810 2022-11-08 Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology 8267a62100791965d08df6a7842676e6 0000-0002-6841-1813 Neil Loader Neil Loader true false e0c807e6b9b663f1c297feecd2f54c3a Giles Young Giles Young true false 6d181d926aaac8932c2bfa8d0e7f6960 Danny McCarroll Danny McCarroll true false 2022-11-08 SGE Aotearoa New Zealand has a rich cultural heritage but dating wooden objects using classic dendrochronology is challenging due to a paucity of master tree-ring width chronologies for species commonly identified in the archaeological record. This paper explores the potential for using a stable isotopic approach to dendrochronology for matai (Prumnopitys taxifolia). A total of six annual stable oxygen isotope (δ18O) series for matai growing in the Pureora Forest Reserve, were analysed and their oxygen isotopes found to exhibit a level of coherence that enabled cross-dating. A provisional chronology covering the period 1930-2018 CE was developed and tested against a sample of matai from the Kauaeranga Valley (200 km to the north of Pureora) and a sample of miro (Prumnopitys ferruginea). Miro is another species common in the cultural archive, but also difficult to date using ring-width dendrochronology. Both samples cross matched at the correct position, but with weaker dating statistics (e.g. Student’s t: 4.26 and 4.11 respectively compared to 6.80 and 5.66 for the non-2018 sampled Pureora matai. These results nevertheless demonstrate the presence of a regional-scale signal which may be developed for future use as a precision dating tool. Journal Article Dendrochronologia 76 126030 Elsevier BV 1125-7865 Matai; Miro; Aotearoa; Oxygen isotope; Prumnopitys ferruginea 1 12 2022 2022-12-01 10.1016/j.dendro.2022.126030 COLLEGE NANME Geography COLLEGE CODE SGE Swansea University SU Library paid the OA fee (TA Institutional Deal) This work was supported by the Royal Society of New Zealand Catalyst Seeding award (UOA 3714761). 2022-11-28T14:38:10.6769610 2022-11-08T10:28:17.5452960 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Neil Loader 0000-0002-6841-1813 1 Gretel Boswijk 2 Giles Young 3 Alan G. Hogg 4 Danny McCarroll 5 61810__25892__87f3dc73dc764c6884e30d9d82047374.pdf 61810.pdf 2022-11-24T10:54:10.8764901 Output 3590433 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
spellingShingle Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
Neil Loader
Giles Young
Danny McCarroll
title_short Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
title_full Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
title_fullStr Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
title_full_unstemmed Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
title_sort Developing tree ring chronologies from New Zealand matai (Prumnopitys taxifolia (D.Don) Laub.) for archaeological dating: Stable isotope dendrochronology
author_id_str_mv 8267a62100791965d08df6a7842676e6
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author_id_fullname_str_mv 8267a62100791965d08df6a7842676e6_***_Neil Loader
e0c807e6b9b663f1c297feecd2f54c3a_***_Giles Young
6d181d926aaac8932c2bfa8d0e7f6960_***_Danny McCarroll
author Neil Loader
Giles Young
Danny McCarroll
author2 Neil Loader
Gretel Boswijk
Giles Young
Alan G. Hogg
Danny McCarroll
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container_title Dendrochronologia
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container_start_page 126030
publishDate 2022
institution Swansea University
issn 1125-7865
doi_str_mv 10.1016/j.dendro.2022.126030
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_parent_id facultyofscienceandengineering
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department_str School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography
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description Aotearoa New Zealand has a rich cultural heritage but dating wooden objects using classic dendrochronology is challenging due to a paucity of master tree-ring width chronologies for species commonly identified in the archaeological record. This paper explores the potential for using a stable isotopic approach to dendrochronology for matai (Prumnopitys taxifolia). A total of six annual stable oxygen isotope (δ18O) series for matai growing in the Pureora Forest Reserve, were analysed and their oxygen isotopes found to exhibit a level of coherence that enabled cross-dating. A provisional chronology covering the period 1930-2018 CE was developed and tested against a sample of matai from the Kauaeranga Valley (200 km to the north of Pureora) and a sample of miro (Prumnopitys ferruginea). Miro is another species common in the cultural archive, but also difficult to date using ring-width dendrochronology. Both samples cross matched at the correct position, but with weaker dating statistics (e.g. Student’s t: 4.26 and 4.11 respectively compared to 6.80 and 5.66 for the non-2018 sampled Pureora matai. These results nevertheless demonstrate the presence of a regional-scale signal which may be developed for future use as a precision dating tool.
published_date 2022-12-01T04:20:55Z
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