Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps)
[Departement_IRSTEA]Territoires [TR1_IRSTEA]SEDYVIN International audience Rhododendron ferrugineum L. is a widespread dwarf shrub species growing in high-elevation, alpine environments of the Western European Alps. For this reason, analysis of its growth rings offers unique opportunities to push cu...
Published in: | Science of The Total Environment |
---|---|
Main Authors: | , , , , |
Other Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2017
|
Subjects: | |
Online Access: | https://hal.science/hal-01739824 https://doi.org/10.1016/j.scitotenv.2017.02.083 |
id |
ftclermontuniv:oai:HAL:hal-01739824v1 |
---|---|
record_format |
openpolar |
spelling |
ftclermontuniv:oai:HAL:hal-01739824v1 2024-02-04T09:58:35+01:00 Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) Francon, Loïc Corona, C. Roussel, Erwan Lopez Saez, J. Stoffel, M. Laboratoire de Géographie Physique et Environnementale (GEOLAB) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut Sciences de l'Homme et de la Société (IR SHS UNILIM) Université de Limoges (UNILIM)-Université de Limoges (UNILIM)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA) Ecosystèmes montagnards (UR EMGR) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Institute for Environmental Sciences Geneva (ISE) Université de Genève = University of Geneva (UNIGE) 2017-05 https://hal.science/hal-01739824 https://doi.org/10.1016/j.scitotenv.2017.02.083 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2017.02.083 hal-01739824 https://hal.science/hal-01739824 doi:10.1016/j.scitotenv.2017.02.083 IRSTEA: PUB00057169 ISSN: 0048-9697 EISSN: 1879-1026 Science of the Total Environment https://hal.science/hal-01739824 Science of the Total Environment, 2017, 586, pp.1020 - 1031. ⟨10.1016/j.scitotenv.2017.02.083⟩ Tree-ring analysis Dwarf shrubs Rhododendron ferrugineum L Climate-growth correlations Winter precipitation [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology info:eu-repo/semantics/article Journal articles 2017 ftclermontuniv https://doi.org/10.1016/j.scitotenv.2017.02.083 2024-01-09T23:44:07Z [Departement_IRSTEA]Territoires [TR1_IRSTEA]SEDYVIN International audience Rhododendron ferrugineum L. is a widespread dwarf shrub species growing in high-elevation, alpine environments of the Western European Alps. For this reason, analysis of its growth rings offers unique opportunities to push current dendrochronological networks into extreme environments and way beyond the treeline. Given that different species of the same genus have been successfully used in tree-ring investigations, notably in the Himalayas where Rhododendron spp. has proven to be a reliable climate proxy, this study aims at (i) evaluating the dendroclimatological potential of R. ferrugineum and at (ii) determining the major limiting climate factor driving its growth. To this end, 154 cross-sections from 36 R. ferrugineum individuals have been sampled above local treelines and at elevations from 1800 to 2100 m asl on northwest-facing slopes of the Taillefer massif (French Alps). We illustrate a 195-year-long standard chronology based on growth-ring records from 24 R. ferrugineum individuals, and document that the series is well-replicated for almost one century (1920–2015) with an Expressed Population Signal (EPS) > 0.85. Analyses using partial and moving 3-months correlation functions further highlight that growth of R. ferrugineum is governed by temperatures during the growing season (May–July), with increasingly higher air temperatures favoring wider rings, a phenomenon which is well known from dwarf shrubs growing in circum-arctic tundra ecosystems. Similarly, the negative effect of January–February precipitation on radial growth of R. ferrugineum, already observed in the Alps on juniper shrubs, is interpreted as a result of shortened growing seasons following snowy winters. We conclude that the strong and unequivocal signals recorded in the fairly long R. ferrugineum chronologies can indeed be used for climate–growth studies as well as for the reconstruction of climatic fluctuations in Alpine regions beyond the upper limits of ... Article in Journal/Newspaper Arctic Tundra HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand/Université d'Auvergne) Arctic Science of The Total Environment 586 1020 1031 |
institution |
Open Polar |
collection |
HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand/Université d'Auvergne) |
op_collection_id |
ftclermontuniv |
language |
English |
topic |
Tree-ring analysis Dwarf shrubs Rhododendron ferrugineum L Climate-growth correlations Winter precipitation [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology |
spellingShingle |
Tree-ring analysis Dwarf shrubs Rhododendron ferrugineum L Climate-growth correlations Winter precipitation [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology Francon, Loïc Corona, C. Roussel, Erwan Lopez Saez, J. Stoffel, M. Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
topic_facet |
Tree-ring analysis Dwarf shrubs Rhododendron ferrugineum L Climate-growth correlations Winter precipitation [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology |
description |
[Departement_IRSTEA]Territoires [TR1_IRSTEA]SEDYVIN International audience Rhododendron ferrugineum L. is a widespread dwarf shrub species growing in high-elevation, alpine environments of the Western European Alps. For this reason, analysis of its growth rings offers unique opportunities to push current dendrochronological networks into extreme environments and way beyond the treeline. Given that different species of the same genus have been successfully used in tree-ring investigations, notably in the Himalayas where Rhododendron spp. has proven to be a reliable climate proxy, this study aims at (i) evaluating the dendroclimatological potential of R. ferrugineum and at (ii) determining the major limiting climate factor driving its growth. To this end, 154 cross-sections from 36 R. ferrugineum individuals have been sampled above local treelines and at elevations from 1800 to 2100 m asl on northwest-facing slopes of the Taillefer massif (French Alps). We illustrate a 195-year-long standard chronology based on growth-ring records from 24 R. ferrugineum individuals, and document that the series is well-replicated for almost one century (1920–2015) with an Expressed Population Signal (EPS) > 0.85. Analyses using partial and moving 3-months correlation functions further highlight that growth of R. ferrugineum is governed by temperatures during the growing season (May–July), with increasingly higher air temperatures favoring wider rings, a phenomenon which is well known from dwarf shrubs growing in circum-arctic tundra ecosystems. Similarly, the negative effect of January–February precipitation on radial growth of R. ferrugineum, already observed in the Alps on juniper shrubs, is interpreted as a result of shortened growing seasons following snowy winters. We conclude that the strong and unequivocal signals recorded in the fairly long R. ferrugineum chronologies can indeed be used for climate–growth studies as well as for the reconstruction of climatic fluctuations in Alpine regions beyond the upper limits of ... |
author2 |
Laboratoire de Géographie Physique et Environnementale (GEOLAB) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut Sciences de l'Homme et de la Société (IR SHS UNILIM) Université de Limoges (UNILIM)-Université de Limoges (UNILIM)-Université Clermont Auvergne 2017-2020 (UCA 2017-2020 )-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA) Ecosystèmes montagnards (UR EMGR) Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Institute for Environmental Sciences Geneva (ISE) Université de Genève = University of Geneva (UNIGE) |
format |
Article in Journal/Newspaper |
author |
Francon, Loïc Corona, C. Roussel, Erwan Lopez Saez, J. Stoffel, M. |
author_facet |
Francon, Loïc Corona, C. Roussel, Erwan Lopez Saez, J. Stoffel, M. |
author_sort |
Francon, Loïc |
title |
Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
title_short |
Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
title_full |
Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
title_fullStr |
Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
title_full_unstemmed |
Warm summers and moderate winter precipitation boost Rhododendron ferrugineum L. growth in the Taillefer massif (French Alps) |
title_sort |
warm summers and moderate winter precipitation boost rhododendron ferrugineum l. growth in the taillefer massif (french alps) |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://hal.science/hal-01739824 https://doi.org/10.1016/j.scitotenv.2017.02.083 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Tundra |
genre_facet |
Arctic Tundra |
op_source |
ISSN: 0048-9697 EISSN: 1879-1026 Science of the Total Environment https://hal.science/hal-01739824 Science of the Total Environment, 2017, 586, pp.1020 - 1031. ⟨10.1016/j.scitotenv.2017.02.083⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2017.02.083 hal-01739824 https://hal.science/hal-01739824 doi:10.1016/j.scitotenv.2017.02.083 IRSTEA: PUB00057169 |
op_doi |
https://doi.org/10.1016/j.scitotenv.2017.02.083 |
container_title |
Science of The Total Environment |
container_volume |
586 |
container_start_page |
1020 |
op_container_end_page |
1031 |
_version_ |
1789963034304708608 |