Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions
In the Arctic, fungal mycelial growth takes place mainly during the cold season and beginning of growing season. Climate change induced increases of cold season temperatures may, hence, benefit fungal growth and increase their abundance. This is of particular importance for parasitic fungi, which ma...
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2022
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ftunivfreiburg:oai:freidok.uni-freiburg.de:245079 2024-06-02T07:54:20+00:00 Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions Moriana-Armendariz, Mikel Abbandonato, Holly Yamaguchi, Takahiro Mörsdorf, Martin A. Aares, Karoline H. Semenchuk, Philipp R. Tojo, Motoaki Cooper, Elisabeth J. 2022 pdf https://freidok.uni-freiburg.de/data/245079 https://nbn-resolving.org/urn:nbn:de:bsz:25-freidok-2450797 https://doi.org/10.1139/as-2020-0027 https://freidok.uni-freiburg.de/dnb/download/245079 eng eng https://freidok.uni-freiburg.de/data/245079 free Arctic Science. - 8, 3 (2022) , 804-830, ISSN: 2368-7460 article 2022 ftunivfreiburg https://doi.org/10.1139/as-2020-0027 2024-05-07T23:31:32Z In the Arctic, fungal mycelial growth takes place mainly during the cold season and beginning of growing season. Climate change induced increases of cold season temperatures may, hence, benefit fungal growth and increase their abundance. This is of particular importance for parasitic fungi, which may significantly shape Arctic vegetation composition. Here, we studied two contrasting plant parasitic fungi’s occurrences (biotrophic Exobasidium hypogenum Nannf. on the vascular plant Cassiope tetragona (L.) D. Don., and necrotrophic Pythium polare Tojo, van West & Hoshino on the moss Sanionia uncinata (Hedw.) Loeske) in response to increased snow depth, a method primarily used to increase cold season temperatures, after 7–13 years of snow manipulation in Adventdalen, Svalbard. We show that enhanced snow depth increased occurrences of both fungi tested here and indicate that increased fungal infections of host plants were at least partly responsible for decreases of host occurrences. Although bryophyte growth, in general, may be influenced by increased soil moisture and reduced competition from vascular plants, Pythium polare is likely enhanced by the combination of milder winter temperatures and moister environment provided by the snow. The relationships between host plants and fungal infection indicate ongoing processes involved in the dynamics of compositional adjustment to changing climate. Article in Journal/Newspaper Adventdalen Arctic Arctic Cassiope tetragona Climate change Svalbard University of Freiburg: FreiDok Adventdalen ENVELOPE(16.264,16.264,78.181,78.181) Arctic Svalbard Arctic Science 8 3 804 830 |
institution |
Open Polar |
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University of Freiburg: FreiDok |
op_collection_id |
ftunivfreiburg |
language |
English |
description |
In the Arctic, fungal mycelial growth takes place mainly during the cold season and beginning of growing season. Climate change induced increases of cold season temperatures may, hence, benefit fungal growth and increase their abundance. This is of particular importance for parasitic fungi, which may significantly shape Arctic vegetation composition. Here, we studied two contrasting plant parasitic fungi’s occurrences (biotrophic Exobasidium hypogenum Nannf. on the vascular plant Cassiope tetragona (L.) D. Don., and necrotrophic Pythium polare Tojo, van West & Hoshino on the moss Sanionia uncinata (Hedw.) Loeske) in response to increased snow depth, a method primarily used to increase cold season temperatures, after 7–13 years of snow manipulation in Adventdalen, Svalbard. We show that enhanced snow depth increased occurrences of both fungi tested here and indicate that increased fungal infections of host plants were at least partly responsible for decreases of host occurrences. Although bryophyte growth, in general, may be influenced by increased soil moisture and reduced competition from vascular plants, Pythium polare is likely enhanced by the combination of milder winter temperatures and moister environment provided by the snow. The relationships between host plants and fungal infection indicate ongoing processes involved in the dynamics of compositional adjustment to changing climate. |
format |
Article in Journal/Newspaper |
author |
Moriana-Armendariz, Mikel Abbandonato, Holly Yamaguchi, Takahiro Mörsdorf, Martin A. Aares, Karoline H. Semenchuk, Philipp R. Tojo, Motoaki Cooper, Elisabeth J. |
spellingShingle |
Moriana-Armendariz, Mikel Abbandonato, Holly Yamaguchi, Takahiro Mörsdorf, Martin A. Aares, Karoline H. Semenchuk, Philipp R. Tojo, Motoaki Cooper, Elisabeth J. Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
author_facet |
Moriana-Armendariz, Mikel Abbandonato, Holly Yamaguchi, Takahiro Mörsdorf, Martin A. Aares, Karoline H. Semenchuk, Philipp R. Tojo, Motoaki Cooper, Elisabeth J. |
author_sort |
Moriana-Armendariz, Mikel |
title |
Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
title_short |
Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
title_full |
Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
title_fullStr |
Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
title_full_unstemmed |
Increased snow and cold season temperatures alter High Arctic parasitic fungi – host plant interactions |
title_sort |
increased snow and cold season temperatures alter high arctic parasitic fungi – host plant interactions |
publishDate |
2022 |
url |
https://freidok.uni-freiburg.de/data/245079 https://nbn-resolving.org/urn:nbn:de:bsz:25-freidok-2450797 https://doi.org/10.1139/as-2020-0027 https://freidok.uni-freiburg.de/dnb/download/245079 |
long_lat |
ENVELOPE(16.264,16.264,78.181,78.181) |
geographic |
Adventdalen Arctic Svalbard |
geographic_facet |
Adventdalen Arctic Svalbard |
genre |
Adventdalen Arctic Arctic Cassiope tetragona Climate change Svalbard |
genre_facet |
Adventdalen Arctic Arctic Cassiope tetragona Climate change Svalbard |
op_source |
Arctic Science. - 8, 3 (2022) , 804-830, ISSN: 2368-7460 |
op_relation |
https://freidok.uni-freiburg.de/data/245079 |
op_rights |
free |
op_doi |
https://doi.org/10.1139/as-2020-0027 |
container_title |
Arctic Science |
container_volume |
8 |
container_issue |
3 |
container_start_page |
804 |
op_container_end_page |
830 |
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1800753344861437952 |