Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland
Post-print (lokagerð höfundar) Lava flows pose a hazard in volcanic environments and reset ecosystem development. A succession of dated lava flows provides the possibility to estimate the direction and rates of ecosystem development and can be used to predict future development. We examine plant suc...
Published in: | Progress in Physical Geography: Earth and Environment |
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Online Access: | https://hdl.handle.net/20.500.11815/969 https://doi.org/10.1177/0309133318798754 |
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ftopinvisindi:oai:opinvisindi.is:20.500.11815/969 2023-05-15T14:27:31+02:00 Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland Vilmundardóttir, Olga Kolbrún Sigurmundsson, Friðþór Sófus Pedersen, Gro Belart, Joaquín M. C. Kizel, Fadi Falco, Nicola Benediktsson, Jon Atli Gísladóttir, Guðrún Líf- og umhverfisvísindastofnun (HÍ) Institute of Life and Environmental Sciences (UI) Jarðvísindastofnun (HÍ) Institute of Earth Sciences (UI) Rafmagns- og tölvuverkfræðideild (HÍ) Faculty of Electrical and Computer Engineering (UI) Verkfræði- og náttúruvísindasvið (HÍ) School of Engineering and Natural Sciences (UI) Háskóli Íslands University of Iceland 2018-10-07 765-791 https://hdl.handle.net/20.500.11815/969 https://doi.org/10.1177/0309133318798754 en eng SAGE Publications Progress in Physical Geography: Earth and Environment;42(6) Vilmundardóttir, O. K., Sófus, F., Møller, G. B., Muñoz-Cobo, J., Kizel, F., Falco, N., … Gísladóttir, G. (2018). Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland. Progress in Physical Geography: Earth and Environment, 42(6), 765–791. https://doi.org/10.1177/0309133318798754 0309-1333 1477-0296 (eISSN) https://hdl.handle.net/20.500.11815/969 Progress in Physical Geography: Earth and Environment doi:10.1177/0309133318798754 info:eu-repo/semantics/openAccess Soil carbon stock Lava chronosequence Moss thickening rate Racomitrium lanuginosum Soil accumulation rate Soil depth Tephra deposition Hraunrennsli Jarðvegur Jarðvegsrannsóknir Gróðurfar Gjóska Mosar Hekla info:eu-repo/semantics/article 2018 ftopinvisindi https://doi.org/20.500.11815/969 https://doi.org/10.1177/0309133318798754 2022-11-18T06:51:41Z Post-print (lokagerð höfundar) Lava flows pose a hazard in volcanic environments and reset ecosystem development. A succession of dated lava flows provides the possibility to estimate the direction and rates of ecosystem development and can be used to predict future development. We examine plant succession, soil development and soil carbon (C) accretion on the historical (post 874 AD) lava flows formed by the Hekla volcano in south Iceland. Vegetation and soil measurements were conducted all around the volcano reflecting the diverse vegetation communities on the lavas, climatic conditions around Hekla mountain and various intensities in deposition of loose material. Multivariate analysis was used to identify groups with similar vegetation composition and patterns in the vegetation. The association of vegetation and soil parameters with lava age, mean annual temperature, mean annual precipitation and soil accumulation rate (SAR) was analysed. Soil carbon concentration increased with increasing lava age becoming comparable to concentrations found on the prehistoric lavas. The combination of a sub-Arctic climate, gradual soil thickening due to input of loose material and the specific properties of volcanic soils allow for continuing accumulation of soil carbon in the soil profile. Four successional stages were identified: initial colonization and cover coalescence (ICC) of Racomitrium lanuginosum and Stereocaulon spp. (lavas <70 years of age); secondary colonization (SC) – R. lanuginosum dominance (170−700 years); vascular plant dominance (VPD) (>600 years); and highland conditions/retrogression (H/R) by tephra deposition (70−860 years). The long time span of the SC stage indicates arrested development by the thick R. lanuginosum moss mat. The progression from SC into VPD was linked to age of the lava flows and soil depth, which was significantly deeper within the VPD stage. Birch was growing on lavas over 600 years old indicating the development towards birch woodland, the climax ecosystem in Iceland. ... Article in Journal/Newspaper Arctic Arctic Hekla Iceland Opin vísindi (Iceland) Arctic Mosar ENVELOPE(-19.678,-19.678,63.530,63.530) Progress in Physical Geography: Earth and Environment 42 6 765 791 |
institution |
Open Polar |
collection |
Opin vísindi (Iceland) |
op_collection_id |
ftopinvisindi |
language |
English |
topic |
Soil carbon stock Lava chronosequence Moss thickening rate Racomitrium lanuginosum Soil accumulation rate Soil depth Tephra deposition Hraunrennsli Jarðvegur Jarðvegsrannsóknir Gróðurfar Gjóska Mosar Hekla |
spellingShingle |
Soil carbon stock Lava chronosequence Moss thickening rate Racomitrium lanuginosum Soil accumulation rate Soil depth Tephra deposition Hraunrennsli Jarðvegur Jarðvegsrannsóknir Gróðurfar Gjóska Mosar Hekla Vilmundardóttir, Olga Kolbrún Sigurmundsson, Friðþór Sófus Pedersen, Gro Belart, Joaquín M. C. Kizel, Fadi Falco, Nicola Benediktsson, Jon Atli Gísladóttir, Guðrún Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
topic_facet |
Soil carbon stock Lava chronosequence Moss thickening rate Racomitrium lanuginosum Soil accumulation rate Soil depth Tephra deposition Hraunrennsli Jarðvegur Jarðvegsrannsóknir Gróðurfar Gjóska Mosar Hekla |
description |
Post-print (lokagerð höfundar) Lava flows pose a hazard in volcanic environments and reset ecosystem development. A succession of dated lava flows provides the possibility to estimate the direction and rates of ecosystem development and can be used to predict future development. We examine plant succession, soil development and soil carbon (C) accretion on the historical (post 874 AD) lava flows formed by the Hekla volcano in south Iceland. Vegetation and soil measurements were conducted all around the volcano reflecting the diverse vegetation communities on the lavas, climatic conditions around Hekla mountain and various intensities in deposition of loose material. Multivariate analysis was used to identify groups with similar vegetation composition and patterns in the vegetation. The association of vegetation and soil parameters with lava age, mean annual temperature, mean annual precipitation and soil accumulation rate (SAR) was analysed. Soil carbon concentration increased with increasing lava age becoming comparable to concentrations found on the prehistoric lavas. The combination of a sub-Arctic climate, gradual soil thickening due to input of loose material and the specific properties of volcanic soils allow for continuing accumulation of soil carbon in the soil profile. Four successional stages were identified: initial colonization and cover coalescence (ICC) of Racomitrium lanuginosum and Stereocaulon spp. (lavas <70 years of age); secondary colonization (SC) – R. lanuginosum dominance (170−700 years); vascular plant dominance (VPD) (>600 years); and highland conditions/retrogression (H/R) by tephra deposition (70−860 years). The long time span of the SC stage indicates arrested development by the thick R. lanuginosum moss mat. The progression from SC into VPD was linked to age of the lava flows and soil depth, which was significantly deeper within the VPD stage. Birch was growing on lavas over 600 years old indicating the development towards birch woodland, the climax ecosystem in Iceland. ... |
author2 |
Líf- og umhverfisvísindastofnun (HÍ) Institute of Life and Environmental Sciences (UI) Jarðvísindastofnun (HÍ) Institute of Earth Sciences (UI) Rafmagns- og tölvuverkfræðideild (HÍ) Faculty of Electrical and Computer Engineering (UI) Verkfræði- og náttúruvísindasvið (HÍ) School of Engineering and Natural Sciences (UI) Háskóli Íslands University of Iceland |
format |
Article in Journal/Newspaper |
author |
Vilmundardóttir, Olga Kolbrún Sigurmundsson, Friðþór Sófus Pedersen, Gro Belart, Joaquín M. C. Kizel, Fadi Falco, Nicola Benediktsson, Jon Atli Gísladóttir, Guðrún |
author_facet |
Vilmundardóttir, Olga Kolbrún Sigurmundsson, Friðþór Sófus Pedersen, Gro Belart, Joaquín M. C. Kizel, Fadi Falco, Nicola Benediktsson, Jon Atli Gísladóttir, Guðrún |
author_sort |
Vilmundardóttir, Olga Kolbrún |
title |
Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
title_short |
Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
title_full |
Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
title_fullStr |
Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
title_full_unstemmed |
Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland |
title_sort |
of mosses and men: plant succession, soil development and soil carbon accretion in the sub-arctic volcanic landscape of hekla, iceland |
publisher |
SAGE Publications |
publishDate |
2018 |
url |
https://hdl.handle.net/20.500.11815/969 https://doi.org/10.1177/0309133318798754 |
long_lat |
ENVELOPE(-19.678,-19.678,63.530,63.530) |
geographic |
Arctic Mosar |
geographic_facet |
Arctic Mosar |
genre |
Arctic Arctic Hekla Iceland |
genre_facet |
Arctic Arctic Hekla Iceland |
op_relation |
Progress in Physical Geography: Earth and Environment;42(6) Vilmundardóttir, O. K., Sófus, F., Møller, G. B., Muñoz-Cobo, J., Kizel, F., Falco, N., … Gísladóttir, G. (2018). Of mosses and men: Plant succession, soil development and soil carbon accretion in the sub-Arctic volcanic landscape of Hekla, Iceland. Progress in Physical Geography: Earth and Environment, 42(6), 765–791. https://doi.org/10.1177/0309133318798754 0309-1333 1477-0296 (eISSN) https://hdl.handle.net/20.500.11815/969 Progress in Physical Geography: Earth and Environment doi:10.1177/0309133318798754 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/20.500.11815/969 https://doi.org/10.1177/0309133318798754 |
container_title |
Progress in Physical Geography: Earth and Environment |
container_volume |
42 |
container_issue |
6 |
container_start_page |
765 |
op_container_end_page |
791 |
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1766301279926091776 |