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On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri

Rosannah E. Williams, Mary Gagen Orcid Logo, Rory P.D. Walsh, Kawi Bidin

Dendrochronologia

Swansea University Author: Mary Gagen Orcid Logo

DOI (Published version): 10.1016/j.dendro.2015.07.004

Abstract

One of the greatest challenges to developing time series from non-annual ring forming tropical trees arises before sampling. Tropical trees can be exceptionally hard, often containing chemicals and minerals which make the wood near non-biodegradable. Such trees have considerable palaeoclimatic poten...

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Published in: Dendrochronologia
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa22963
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first_indexed 2015-08-25T02:12:40Z
last_indexed 2019-05-31T22:18:14Z
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spelling 2019-05-30T14:48:42.8376847 v2 22963 2015-08-24 On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri e677a6d0777aed90ac1eca8937e43d2b 0000-0002-6820-6457 Mary Gagen Mary Gagen true false 2015-08-24 SGE One of the greatest challenges to developing time series from non-annual ring forming tropical trees arises before sampling. Tropical trees can be exceptionally hard, often containing chemicals and minerals which make the wood near non-biodegradable. Such trees have considerable palaeoclimatic potential due to their longevity but are challenging to sample non-destructively. The hardest of these trees, the Ironwoods, are often the target of sampling campaigns as their properties are associated with longevity. Our objective was to develop a low-technology drill-borer capable of extracting cores from the Borneo Ironwood (Eusideroxylon zwageri Teijsm. and Binn) of a suitable diameter for carrying out stable isotopic analysis and radiocarbon analysis (necessary for chronology development in non-annual ring forming trees). Due to the inaccessibility of tropical sampling field sites our criteria for development included: construction to be from readily available and replaceable parts; power to be derived from batteries; the main body to be of a weight and size appropriate to sampling in remote locations; a system operable with minimal training by a non-expert. The cores produced by our drill system were of high quality, and samples could successfully be taken from extremely hard trees without charring. This trial is the first successful non-destructive sampling of living E. zwageri, a species which has considerable palaeoclimatic potential. Journal Article Dendrochronologia palaeoclimate, tree ring science, tropical dendroclimatology, sampling methods, core drill 31 10 2015 2015-10-31 10.1016/j.dendro.2015.07.004 COLLEGE NANME Geography COLLEGE CODE SGE Swansea University 2019-05-30T14:48:42.8376847 2015-08-24T15:56:39.2637818 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Rosannah E. Williams 1 Mary Gagen 0000-0002-6820-6457 2 Rory P.D. Walsh 3 Kawi Bidin 4 0022963-14032018112750.pdf 22963.pdf 2018-03-14T11:27:50.7300000 Output 584687 application/pdf Accepted Manuscript true 2015-08-24T00:00:00.0000000 true eng
title On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
spellingShingle On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
Mary Gagen
title_short On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
title_full On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
title_fullStr On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
title_full_unstemmed On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
title_sort On the development of a drill-borer for sampling tropical supra-hardwoods; a review of drill- an example using the Borneo Ironwood Eusideroxylon zwageri
author_id_str_mv e677a6d0777aed90ac1eca8937e43d2b
author_id_fullname_str_mv e677a6d0777aed90ac1eca8937e43d2b_***_Mary Gagen
author Mary Gagen
author2 Rosannah E. Williams
Mary Gagen
Rory P.D. Walsh
Kawi Bidin
format Journal article
container_title Dendrochronologia
publishDate 2015
institution Swansea University
doi_str_mv 10.1016/j.dendro.2015.07.004
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography
document_store_str 1
active_str 0
description One of the greatest challenges to developing time series from non-annual ring forming tropical trees arises before sampling. Tropical trees can be exceptionally hard, often containing chemicals and minerals which make the wood near non-biodegradable. Such trees have considerable palaeoclimatic potential due to their longevity but are challenging to sample non-destructively. The hardest of these trees, the Ironwoods, are often the target of sampling campaigns as their properties are associated with longevity. Our objective was to develop a low-technology drill-borer capable of extracting cores from the Borneo Ironwood (Eusideroxylon zwageri Teijsm. and Binn) of a suitable diameter for carrying out stable isotopic analysis and radiocarbon analysis (necessary for chronology development in non-annual ring forming trees). Due to the inaccessibility of tropical sampling field sites our criteria for development included: construction to be from readily available and replaceable parts; power to be derived from batteries; the main body to be of a weight and size appropriate to sampling in remote locations; a system operable with minimal training by a non-expert. The cores produced by our drill system were of high quality, and samples could successfully be taken from extremely hard trees without charring. This trial is the first successful non-destructive sampling of living E. zwageri, a species which has considerable palaeoclimatic potential.
published_date 2015-10-31T03:27:13Z
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score 11.016235

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