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Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders

Christian Klopsch, Jacob C Yde, John Matthews, Amber Vater, Mark AK Gillespie Orcid Logo

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...

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Published in: The Holocene
ISSN: 0959-6836 1477-0911
Published: SAGE Publications 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa61869
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spelling 2023-01-20T17:58:56.7732461 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 FGSEN 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 Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2023-01-20T17:58:56.7732461 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
author_id_str_mv 34d32653bcd2879eec1e86d4fa2687b4
5b13e1c0b8cf71f6a040e4a30bff8689
author_id_fullname_str_mv 34d32653bcd2879eec1e86d4fa2687b4_***_John Matthews
5b13e1c0b8cf71f6a040e4a30bff8689_***_Amber Vater
author John Matthews
Amber Vater
author2 Christian Klopsch
Jacob C Yde
John Matthews
Amber Vater
Mark AK Gillespie
format Journal article
container_title The Holocene
container_volume 33
container_issue 1
container_start_page 14
publishDate 2023
institution Swansea University
issn 0959-6836
1477-0911
doi_str_mv 10.1177/09596836221126032
publisher SAGE Publications
college_str Faculty of Science and Engineering
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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
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description 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 2023-01-01T04:21:02Z
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