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Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders
The Holocene, Volume: 33, Issue: 1, Pages: 14 - 26
Swansea University Authors: John Matthews, Amber Vater
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DOI (Published version): 10.1177/09596836221126032
Abstract
Glacier forelands provide important sites to study climate-forced ecological succession because a chronosequence is apparent along a single valley. However, most studies of invertebrate succession in forelands provide a single snapshot of community assemblage patterns. With glaciers retreating rapid...
Published in: | The Holocene |
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ISSN: | 0959-6836 1477-0911 |
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SAGE Publications
2023
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URI: | https://cronfa.swan.ac.uk/Record/cronfa61869 |
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2024-10-29T13:16:50.3179128 v2 61869 2022-11-10 Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders 34d32653bcd2879eec1e86d4fa2687b4 John Matthews John Matthews true false 5b13e1c0b8cf71f6a040e4a30bff8689 Amber Vater Amber Vater true false 2022-11-10 Glacier forelands provide important sites to study climate-forced ecological succession because a chronosequence is apparent along a single valley. However, most studies of invertebrate succession in forelands provide a single snapshot of community assemblage patterns. With glaciers retreating rapidly worldwide, it is important to begin re-surveying community composition and assessing changes in relation to new terrain revealed by the retreating ice. In this study, we repeat a survey of spiders and beetles along the glacier foreland of the sub-alpine glacier Austerdalsbreen in western Norway, 15 years after an initial assessment in 2004, during which time the glacier has retreated 400 m. Invertebrates were sampled in 18 sites that represent a terrain age gradient of approximately 10–250 years since glacier recession. Forty spider species and 70 beetle species were identified, constituting the richest record in Nordic glacier forelands for these two taxonomic groups. Furthermore, three distinctive stages of succession were determined using TWINSPAN and NMDS: (1) a pioneer colonizer stage; (2) an intermediate successional stage; and (3) two late colonizer stages. Additionally, a species group of omnipresent species was identified. The transition from pioneer stage to early succession was characterized by a high degree of taxonomic replacement. Compared to the findings in 2004, we found that the composition of species groups on relatively old terrain is becoming more similar, while the differences between the species groups on the younger terrain are widening. This discrepancy is discussed in relation to climate warming, which potentially facilitates faster establishment of vegetation and early successional invertebrates and may therefore increase competition stress for cold-adapted pioneer species. Journal Article The Holocene 33 1 14 26 SAGE Publications 0959-6836 1477-0911 addition and persistence; Araneae; arthropods; Coleoptera; epigeal taxa; replacement change 1 1 2023 2023-01-01 10.1177/09596836221126032 COLLEGE NANME COLLEGE CODE Swansea University Another institution paid the OA fee 2024-10-29T13:16:50.3179128 2022-11-10T08:35:20.9137058 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Christian Klopsch 1 Jacob C Yde 2 John Matthews 3 Amber Vater 4 Mark AK Gillespie 0000-0001-9808-4836 5 61869__25913__1f4b54a4ba4c4705b6f2a9fd1c7a92cd.pdf 61869.pdf 2022-11-25T14:29:29.7470150 Output 1271087 application/pdf Version of Record true © The Author(s) 2022. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License true eng https://creativecommons.org/licenses/by-nc/4.0/ |
title |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
spellingShingle |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders John Matthews Amber Vater |
title_short |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
title_full |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
title_fullStr |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
title_full_unstemmed |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
title_sort |
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders |
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34d32653bcd2879eec1e86d4fa2687b4 5b13e1c0b8cf71f6a040e4a30bff8689 |
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34d32653bcd2879eec1e86d4fa2687b4_***_John Matthews 5b13e1c0b8cf71f6a040e4a30bff8689_***_Amber Vater |
author |
John Matthews Amber Vater |
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Christian Klopsch Jacob C Yde John Matthews Amber Vater Mark AK Gillespie |
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Glacier forelands provide important sites to study climate-forced ecological succession because a chronosequence is apparent along a single valley. However, most studies of invertebrate succession in forelands provide a single snapshot of community assemblage patterns. With glaciers retreating rapidly worldwide, it is important to begin re-surveying community composition and assessing changes in relation to new terrain revealed by the retreating ice. In this study, we repeat a survey of spiders and beetles along the glacier foreland of the sub-alpine glacier Austerdalsbreen in western Norway, 15 years after an initial assessment in 2004, during which time the glacier has retreated 400 m. Invertebrates were sampled in 18 sites that represent a terrain age gradient of approximately 10–250 years since glacier recession. Forty spider species and 70 beetle species were identified, constituting the richest record in Nordic glacier forelands for these two taxonomic groups. Furthermore, three distinctive stages of succession were determined using TWINSPAN and NMDS: (1) a pioneer colonizer stage; (2) an intermediate successional stage; and (3) two late colonizer stages. Additionally, a species group of omnipresent species was identified. The transition from pioneer stage to early succession was characterized by a high degree of taxonomic replacement. Compared to the findings in 2004, we found that the composition of species groups on relatively old terrain is becoming more similar, while the differences between the species groups on the younger terrain are widening. This discrepancy is discussed in relation to climate warming, which potentially facilitates faster establishment of vegetation and early successional invertebrates and may therefore increase competition stress for cold-adapted pioneer species. |
published_date |
2023-01-01T11:43:21Z |
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11.052662 |