Assessing dual hair sampling for isotopic studies of grizzly bears
Rationale The stable isotope ratios of carbon ( δ 13 C values), nitrogen ( δ 15 N values) and sulfur ( δ 34 S values) in bear hair can be used to obtain information on dietary history. Sample protocols often require hair sampling from multiple anatomical locations; however, there remains a question...
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crwiley:10.1002/rcm.8495 2024-06-02T08:15:36+00:00 Assessing dual hair sampling for isotopic studies of grizzly bears Ueda, Momoko Bell, Lynne S. 2019 http://dx.doi.org/10.1002/rcm.8495 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Frcm.8495 https://onlinelibrary.wiley.com/doi/pdf/10.1002/rcm.8495 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/rcm.8495 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Rapid Communications in Mass Spectrometry volume 33, issue 18, page 1475-1480 ISSN 0951-4198 1097-0231 journal-article 2019 crwiley https://doi.org/10.1002/rcm.8495 2024-05-03T11:59:47Z Rationale The stable isotope ratios of carbon ( δ 13 C values), nitrogen ( δ 15 N values) and sulfur ( δ 34 S values) in bear hair can be used to obtain information on dietary history. Sample protocols often require hair sampling from multiple anatomical locations; however, there remains a question as to whether this is necessary for isotopic studies of hair. The purpose of this study was to determine whether significant differences can be observed for the δ 13 C, δ 15 N and δ 34 S values between paired hair samples taken from the rump and shoulder of grizzly bears ( Ursus arctos ). Methods Paired hair samples were collected from the rump and the shoulder of 81 grizzly bears in the Yukon, Canada. Hair samples were analyzed using a thermal combustion elemental analyzer coupled with a continuous flow isotope ratio mass spectrometer. Results Statistical comparisons of paired hair samples for both males and females showed no meaningful differences in δ 13 C, δ 15 N and δ 34 S values in hair taken from the rump and shoulder, and any observed differences fell within the instrumental error. Conclusions Based on these results, hair may be safely sampled on either the rump or the shoulder without loss of isotopic information and thus this finding allows for refinement of sampling. Article in Journal/Newspaper Ursus arctos Yukon Wiley Online Library Canada Yukon Rapid Communications in Mass Spectrometry 33 18 1475 1480 |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Rationale The stable isotope ratios of carbon ( δ 13 C values), nitrogen ( δ 15 N values) and sulfur ( δ 34 S values) in bear hair can be used to obtain information on dietary history. Sample protocols often require hair sampling from multiple anatomical locations; however, there remains a question as to whether this is necessary for isotopic studies of hair. The purpose of this study was to determine whether significant differences can be observed for the δ 13 C, δ 15 N and δ 34 S values between paired hair samples taken from the rump and shoulder of grizzly bears ( Ursus arctos ). Methods Paired hair samples were collected from the rump and the shoulder of 81 grizzly bears in the Yukon, Canada. Hair samples were analyzed using a thermal combustion elemental analyzer coupled with a continuous flow isotope ratio mass spectrometer. Results Statistical comparisons of paired hair samples for both males and females showed no meaningful differences in δ 13 C, δ 15 N and δ 34 S values in hair taken from the rump and shoulder, and any observed differences fell within the instrumental error. Conclusions Based on these results, hair may be safely sampled on either the rump or the shoulder without loss of isotopic information and thus this finding allows for refinement of sampling. |
format |
Article in Journal/Newspaper |
author |
Ueda, Momoko Bell, Lynne S. |
spellingShingle |
Ueda, Momoko Bell, Lynne S. Assessing dual hair sampling for isotopic studies of grizzly bears |
author_facet |
Ueda, Momoko Bell, Lynne S. |
author_sort |
Ueda, Momoko |
title |
Assessing dual hair sampling for isotopic studies of grizzly bears |
title_short |
Assessing dual hair sampling for isotopic studies of grizzly bears |
title_full |
Assessing dual hair sampling for isotopic studies of grizzly bears |
title_fullStr |
Assessing dual hair sampling for isotopic studies of grizzly bears |
title_full_unstemmed |
Assessing dual hair sampling for isotopic studies of grizzly bears |
title_sort |
assessing dual hair sampling for isotopic studies of grizzly bears |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1002/rcm.8495 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Frcm.8495 https://onlinelibrary.wiley.com/doi/pdf/10.1002/rcm.8495 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/rcm.8495 |
geographic |
Canada Yukon |
geographic_facet |
Canada Yukon |
genre |
Ursus arctos Yukon |
genre_facet |
Ursus arctos Yukon |
op_source |
Rapid Communications in Mass Spectrometry volume 33, issue 18, page 1475-1480 ISSN 0951-4198 1097-0231 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/rcm.8495 |
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Rapid Communications in Mass Spectrometry |
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33 |
container_issue |
18 |
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1475 |
op_container_end_page |
1480 |
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1800739845589434368 |