Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau
International audience Permafrost-affected ecosystems are subject to warming and thawing, which can increase the availability of subsurface nitrogen (N) with consequences in otherwise N-limited tundra and alpine vegetation. Here, we quantify the extent of warming and permafrost thawing and the corre...
Published in: | Soil Biology and Biochemistry |
---|---|
Main Authors: | , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2023
|
Subjects: | |
Online Access: | https://hal.science/hal-04092611 https://hal.science/hal-04092611/document https://hal.science/hal-04092611/file/1-s2.0-S0038071723001037-main.pdf https://doi.org/10.1016/j.soilbio.2023.109041 |
id |
ftuniparissaclay:oai:HAL:hal-04092611v1 |
---|---|
record_format |
openpolar |
spelling |
ftuniparissaclay:oai:HAL:hal-04092611v1 2024-06-23T07:56:03+00:00 Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau Yun, Hanbo Zhu, Qing Tang, Jing Zhang, Wenxin Chen, Deliang Ciais, Philippe Wu, Qingbai Elberling, Bo Lanzhou University Center for Permafrost (CENPERM) Department of Geosciences and Natural Resource Management Copenhagen (IGN) Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH)-Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH) Purdue University West Lafayette Lawrence Berkeley National Laboratory Berkeley (LBNL) Department of Physical Geography and Ecosystem Science Lund Skane University Hospital Lund University of Copenhagen = Københavns Universitet (UCPH) Department of Earth Sciences Gothenburg Göteborgs Universitet = University of Gothenburg (GU) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) 2023-04-29 https://hal.science/hal-04092611 https://hal.science/hal-04092611/document https://hal.science/hal-04092611/file/1-s2.0-S0038071723001037-main.pdf https://doi.org/10.1016/j.soilbio.2023.109041 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.soilbio.2023.109041 hal-04092611 https://hal.science/hal-04092611 https://hal.science/hal-04092611/document https://hal.science/hal-04092611/file/1-s2.0-S0038071723001037-main.pdf doi:10.1016/j.soilbio.2023.109041 info:eu-repo/semantics/OpenAccess ISSN: 0038-0717 Soil Biology and Biochemistry https://hal.science/hal-04092611 Soil Biology and Biochemistry, 2023, 182, pp.109041. ⟨10.1016/j.soilbio.2023.109041⟩ Nitrogen Permafrost thawing Climate warming Tibetan plateau [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2023 ftuniparissaclay https://doi.org/10.1016/j.soilbio.2023.109041 2024-06-13T23:43:26Z International audience Permafrost-affected ecosystems are subject to warming and thawing, which can increase the availability of subsurface nitrogen (N) with consequences in otherwise N-limited tundra and alpine vegetation. Here, we quantify the extent of warming and permafrost thawing and the corresponding effects on nitrogen availability and plant growth based on a 20-year survey across 14 sites on the Tibetan Plateau. The survey showed that most sites have been subject to warming and thawing and that the upper permafrost zone across all sites was rich in inorganic N, mainly as ammonium. We further explore the efficiency of plants to utilize 15 N-labelled inorganic N over five years following 15 N addition at the permafrost table far below the main root zone. The 15 N experiment showed that deep-rooted plant species were able to utilize the labelled N. A SEM model suggests that changes in vegetation can be explained by both active layer warming and permafrost thawing and the associated changes in inorganic nitrogen availability. Our results highlight a feedback mechanism of climate warming, in which released plant-available N may favour deep-rooted plants. This can explain important changes in plant composition and growth across the sites on the Tibetan Plateau. Article in Journal/Newspaper permafrost Tundra Archives ouvertes de Paris-Saclay Soil Biology and Biochemistry 182 109041 |
institution |
Open Polar |
collection |
Archives ouvertes de Paris-Saclay |
op_collection_id |
ftuniparissaclay |
language |
English |
topic |
Nitrogen Permafrost thawing Climate warming Tibetan plateau [SDU]Sciences of the Universe [physics] |
spellingShingle |
Nitrogen Permafrost thawing Climate warming Tibetan plateau [SDU]Sciences of the Universe [physics] Yun, Hanbo Zhu, Qing Tang, Jing Zhang, Wenxin Chen, Deliang Ciais, Philippe Wu, Qingbai Elberling, Bo Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
topic_facet |
Nitrogen Permafrost thawing Climate warming Tibetan plateau [SDU]Sciences of the Universe [physics] |
description |
International audience Permafrost-affected ecosystems are subject to warming and thawing, which can increase the availability of subsurface nitrogen (N) with consequences in otherwise N-limited tundra and alpine vegetation. Here, we quantify the extent of warming and permafrost thawing and the corresponding effects on nitrogen availability and plant growth based on a 20-year survey across 14 sites on the Tibetan Plateau. The survey showed that most sites have been subject to warming and thawing and that the upper permafrost zone across all sites was rich in inorganic N, mainly as ammonium. We further explore the efficiency of plants to utilize 15 N-labelled inorganic N over five years following 15 N addition at the permafrost table far below the main root zone. The 15 N experiment showed that deep-rooted plant species were able to utilize the labelled N. A SEM model suggests that changes in vegetation can be explained by both active layer warming and permafrost thawing and the associated changes in inorganic nitrogen availability. Our results highlight a feedback mechanism of climate warming, in which released plant-available N may favour deep-rooted plants. This can explain important changes in plant composition and growth across the sites on the Tibetan Plateau. |
author2 |
Lanzhou University Center for Permafrost (CENPERM) Department of Geosciences and Natural Resource Management Copenhagen (IGN) Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH)-Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH) Purdue University West Lafayette Lawrence Berkeley National Laboratory Berkeley (LBNL) Department of Physical Geography and Ecosystem Science Lund Skane University Hospital Lund University of Copenhagen = Københavns Universitet (UCPH) Department of Earth Sciences Gothenburg Göteborgs Universitet = University of Gothenburg (GU) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) |
format |
Article in Journal/Newspaper |
author |
Yun, Hanbo Zhu, Qing Tang, Jing Zhang, Wenxin Chen, Deliang Ciais, Philippe Wu, Qingbai Elberling, Bo |
author_facet |
Yun, Hanbo Zhu, Qing Tang, Jing Zhang, Wenxin Chen, Deliang Ciais, Philippe Wu, Qingbai Elberling, Bo |
author_sort |
Yun, Hanbo |
title |
Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
title_short |
Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
title_full |
Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
title_fullStr |
Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
title_full_unstemmed |
Warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the Tibetan Plateau |
title_sort |
warming, permafrost thaw and increased nitrogen availability as drivers for plant composition and growth across the tibetan plateau |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://hal.science/hal-04092611 https://hal.science/hal-04092611/document https://hal.science/hal-04092611/file/1-s2.0-S0038071723001037-main.pdf https://doi.org/10.1016/j.soilbio.2023.109041 |
genre |
permafrost Tundra |
genre_facet |
permafrost Tundra |
op_source |
ISSN: 0038-0717 Soil Biology and Biochemistry https://hal.science/hal-04092611 Soil Biology and Biochemistry, 2023, 182, pp.109041. ⟨10.1016/j.soilbio.2023.109041⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.soilbio.2023.109041 hal-04092611 https://hal.science/hal-04092611 https://hal.science/hal-04092611/document https://hal.science/hal-04092611/file/1-s2.0-S0038071723001037-main.pdf doi:10.1016/j.soilbio.2023.109041 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.soilbio.2023.109041 |
container_title |
Soil Biology and Biochemistry |
container_volume |
182 |
container_start_page |
109041 |
_version_ |
1802648892132556800 |