Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ...
Large carnivores (order Carnivora) are among the world's most threatened mammals due to a confluence of ecological and social forces that have unfolded over centuries. Combining specimens from natural history collections with documents from archival records, we reconstructed the factors surroun...
Main Authors: | , , , , , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
The Royal Society
2023
|
Subjects: | |
Online Access: | https://dx.doi.org/10.6084/m9.figshare.c.6935718 https://rs.figshare.com/collections/Supplementary_material_from_Coupled_social_and_ecological_change_drove_the_historical_extinction_of_the_California_grizzly_bear_i_Ursus_arctos_californicus_i_/6935718 |
id |
ftdatacite:10.6084/m9.figshare.c.6935718 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.6084/m9.figshare.c.6935718 2023-12-31T10:23:50+01:00 Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... Mychajliw, Alexis M. Adams, Andrea J. Brown, Kevin C. Campbell, Beau T. Hardesty-Moore, Molly Welch, Zoë S. Page, Henry M. Southon, John R. Cooper, Scott D. Alagona, Peter S. 2023 https://dx.doi.org/10.6084/m9.figshare.c.6935718 https://rs.figshare.com/collections/Supplementary_material_from_Coupled_social_and_ecological_change_drove_the_historical_extinction_of_the_California_grizzly_bear_i_Ursus_arctos_californicus_i_/6935718 unknown The Royal Society Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Palaeontology incl. palynology article Collection 2023 ftdatacite https://doi.org/10.6084/m9.figshare.c.6935718 2023-12-01T11:16:44Z Large carnivores (order Carnivora) are among the world's most threatened mammals due to a confluence of ecological and social forces that have unfolded over centuries. Combining specimens from natural history collections with documents from archival records, we reconstructed the factors surrounding the extinction of the California grizzly bear ( Ursus arctos californicus ), a once-abundant brown bear subspecies last seen in 1924. Historical documents portrayed California grizzlies as massive hypercarnivores that endangered public safety. Yet, morphological measurements on skulls and teeth generate smaller body size estimates in alignment with extant North American grizzly populations (approx. 200 kg). Stable isotope analysis ( δ 13 C, δ 15 N) of pelts and bones ( n = 57) revealed that grizzlies derived less than 10% of their nutrition from terrestrial animal sources and were therefore largely herbivorous over the past 7000 years. Euro-American land use practices following 1542 led grizzlies to moderately ... Article in Journal/Newspaper Ursus arctos DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Palaeontology incl. palynology |
spellingShingle |
Palaeontology incl. palynology Mychajliw, Alexis M. Adams, Andrea J. Brown, Kevin C. Campbell, Beau T. Hardesty-Moore, Molly Welch, Zoë S. Page, Henry M. Southon, John R. Cooper, Scott D. Alagona, Peter S. Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
topic_facet |
Palaeontology incl. palynology |
description |
Large carnivores (order Carnivora) are among the world's most threatened mammals due to a confluence of ecological and social forces that have unfolded over centuries. Combining specimens from natural history collections with documents from archival records, we reconstructed the factors surrounding the extinction of the California grizzly bear ( Ursus arctos californicus ), a once-abundant brown bear subspecies last seen in 1924. Historical documents portrayed California grizzlies as massive hypercarnivores that endangered public safety. Yet, morphological measurements on skulls and teeth generate smaller body size estimates in alignment with extant North American grizzly populations (approx. 200 kg). Stable isotope analysis ( δ 13 C, δ 15 N) of pelts and bones ( n = 57) revealed that grizzlies derived less than 10% of their nutrition from terrestrial animal sources and were therefore largely herbivorous over the past 7000 years. Euro-American land use practices following 1542 led grizzlies to moderately ... |
format |
Article in Journal/Newspaper |
author |
Mychajliw, Alexis M. Adams, Andrea J. Brown, Kevin C. Campbell, Beau T. Hardesty-Moore, Molly Welch, Zoë S. Page, Henry M. Southon, John R. Cooper, Scott D. Alagona, Peter S. |
author_facet |
Mychajliw, Alexis M. Adams, Andrea J. Brown, Kevin C. Campbell, Beau T. Hardesty-Moore, Molly Welch, Zoë S. Page, Henry M. Southon, John R. Cooper, Scott D. Alagona, Peter S. |
author_sort |
Mychajliw, Alexis M. |
title |
Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
title_short |
Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
title_full |
Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
title_fullStr |
Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
title_full_unstemmed |
Supplementary material from "Coupled social and ecological change drove the historical extinction of the California grizzly bear ( Ursus arctos californicus )" ... |
title_sort |
supplementary material from "coupled social and ecological change drove the historical extinction of the california grizzly bear ( ursus arctos californicus )" ... |
publisher |
The Royal Society |
publishDate |
2023 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.6935718 https://rs.figshare.com/collections/Supplementary_material_from_Coupled_social_and_ecological_change_drove_the_historical_extinction_of_the_California_grizzly_bear_i_Ursus_arctos_californicus_i_/6935718 |
genre |
Ursus arctos |
genre_facet |
Ursus arctos |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.6084/m9.figshare.c.6935718 |
_version_ |
1786835639621124096 |