Local climate modulates the development of soil nematode communities after glacier retreat
Alessia Guerrieri
(1, 2, 3, 4, 5, 6)
,
Isabel Cantera
(1, 2, 3, 4, 5, 6)
,
Silvio Marta
(1, 2, 3, 4, 5, 6)
,
Aurélie Bonin
(1, 2, 3, 4, 5, 6)
,
Alexis Carteron
(1, 2, 3, 4, 5, 6)
,
Roberto Ambrosini
(1, 2, 3, 4, 5, 6)
,
Marco Caccianiga
(1, 2, 3, 4, 5, 6)
,
Fabien Anthelme
(7)
,
Roberto Sergio Azzoni
(1)
,
Peter Almond
(1, 2, 3, 4, 5, 6)
,
Pablo Alviz Gazitúa
(8)
,
Sophie Cauvy-Fraunié
(9)
,
Jorge Luis Ceballos Lievano
(10)
,
Pritam Chand
(11)
,
Milap Chand Sharma
,
John Clague
(1, 2, 3, 4, 5, 6)
,
Justiniano Alejo Cochachín Rapre
,
Chiara Compostella
(1, 2, 3, 4, 5, 6)
,
Rolando Cruz Encarnación
(12)
,
Olivier Dangles
(13)
,
Philip Deline
(14)
,
Andre Eger
(15)
,
Sergey Erokhin
(16)
,
Andrea Franzetti
(17)
,
Ludovic Gielly
(3)
,
Fabrizio Gili
(1)
,
Mauro Gobbi
(18)
,
Sigmund Hågvar
(19)
,
Norine Khedim
(14, 3)
,
Rosa Isela Meneses
(20)
,
Gwendolyn Peyre
(21)
,
Francesca Pittino
(17)
,
Angela Proietto
(1)
,
Antoine Rabatel
(22)
,
Nurai Urseitova
(23)
,
Yan Yang
(24)
,
Vitalii Zaginaev
(25)
,
Andrea Zerboni
(1)
,
Anaïs Zimmer
(26)
,
Pierre Taberlet
(27)
,
Guglielmina Adele Diolaiuti
(1)
,
Jerome Poulenard
(28)
,
Diego Fontaneto
(29)
,
Wilfried Thuiller
(27)
,
Gentile Francesco Ficetola
(1, 27)
1
UNIMI -
Università degli Studi di Milano = University of Milan
2 Department of Environmental Science and Policy [Milano]
3 LECA - Laboratoire d'Ecologie Alpine
4 DYNAFOR - Dynamiques et écologie des paysages agriforestiers
5 Lincoln University [Nouvelle-Zélande]
6 SFU.ca - Simon Fraser University = Université Simon Fraser
7 UMR AMAP - Botanique et Modélisation de l'Architecture des Plantes et des Végétations
8 Universidad de los Lagos (Chile)
9 RiverLy - RiverLy - Fonctionnement des hydrosystèmes
10 Instituto de Hidrología
11 University of Central Punjab
12 Autoridad Nacional del Agua
13 CEFE - Centre d’Ecologie Fonctionnelle et Evolutive
14 EDYTEM - Environnements, Dynamiques et Territoires de Montagne
15 Mannaki Whenua
16 National Academy of Sciences of Kyrgyz Republic
17 UNIMIB - Università degli Studi di Milano-Bicocca = University of Milano-Bicocca
18 Museo delle Scienze
19 NMBU - Norwegian University of Life Sciences
20 Museo Nacional de Historia Natural
21 UNIANDES - Universidad de los Andes [Bogota]
22 IGE - Institut des Géosciences de l’Environnement
23 National Academy of Sciences of Kyrgyz Republic
24 Guangdong University of Technology
25 University of Central Asia
26 UNT - University of North Texas
27 UGA - Université Grenoble Alpes
28 USMB [Université de Savoie] [Université de Chambéry] - Université Savoie Mont Blanc
29 IRSA - CNR Water Research Institute
2 Department of Environmental Science and Policy [Milano]
3 LECA - Laboratoire d'Ecologie Alpine
4 DYNAFOR - Dynamiques et écologie des paysages agriforestiers
5 Lincoln University [Nouvelle-Zélande]
6 SFU.ca - Simon Fraser University = Université Simon Fraser
7 UMR AMAP - Botanique et Modélisation de l'Architecture des Plantes et des Végétations
8 Universidad de los Lagos (Chile)
9 RiverLy - RiverLy - Fonctionnement des hydrosystèmes
10 Instituto de Hidrología
11 University of Central Punjab
12 Autoridad Nacional del Agua
13 CEFE - Centre d’Ecologie Fonctionnelle et Evolutive
14 EDYTEM - Environnements, Dynamiques et Territoires de Montagne
15 Mannaki Whenua
16 National Academy of Sciences of Kyrgyz Republic
17 UNIMIB - Università degli Studi di Milano-Bicocca = University of Milano-Bicocca
18 Museo delle Scienze
19 NMBU - Norwegian University of Life Sciences
20 Museo Nacional de Historia Natural
21 UNIANDES - Universidad de los Andes [Bogota]
22 IGE - Institut des Géosciences de l’Environnement
23 National Academy of Sciences of Kyrgyz Republic
24 Guangdong University of Technology
25 University of Central Asia
26 UNT - University of North Texas
27 UGA - Université Grenoble Alpes
28 USMB [Université de Savoie] [Université de Chambéry] - Université Savoie Mont Blanc
29 IRSA - CNR Water Research Institute
Alessia Guerrieri
- Fonction : Auteur
Isabel Cantera
- Fonction : Auteur
- PersonId : 797983
- ORCID : 0000-0003-3161-1878
Silvio Marta
- Fonction : Auteur
- PersonId : 1332230
- ORCID : 0000-0001-8850-610X
Aurélie Bonin
- Fonction : Auteur
Alexis Carteron
- Fonction : Auteur
Roberto Ambrosini
- Fonction : Auteur
Marco Caccianiga
- Fonction : Auteur
Peter Almond
- Fonction : Auteur
Milap Chand Sharma
- Fonction : Auteur
John Clague
- Fonction : Auteur
Justiniano Alejo Cochachín Rapre
- Fonction : Auteur
Chiara Compostella
- Fonction : Auteur
Sigmund Hågvar
- Fonction : Auteur
- PersonId : 1332782
- ORCID : 0000-0002-9020-9005
Antoine Rabatel
- Fonction : Auteur
- PersonId : 757372
- IdHAL : antoine-rabatel
- ORCID : 0000-0002-5304-1055
Yan Yang
- Fonction : Auteur
- PersonId : 1332783
- ORCID : 0000-0003-0858-7603
Résumé
The worldwide retreat of glaciers is causing a faster than ever increase in ice‐free areas that are leading to the emergence of new ecosystems. Understanding the dynamics of these environments is critical to predicting the consequences of climate change on mountains and at high latitudes. Climatic differences between regions of the world could modulate the emergence of biodiversity and functionality after glacier retreat, yet global tests of this hypothesis are lacking. Nematodes are the most abundant soil animals, with keystone roles in ecosystem functioning, but the lack of global‐scale studies limits our understanding of how the taxonomic and functional diversity of nematodes changes during the colonization of proglacial landscapes. We used environmental DNA metabarcoding to characterize nematode communities of 48 glacier forelands from five continents. We assessed how different facets of biodiversity change with the age of deglaciated terrains and tested the hypothesis that colonization patterns are different across forelands with different climatic conditions. Nematodes colonized ice‐free areas almost immediately. Both taxonomic and functional richness quickly increased over time, but the increase in nematode diversity was modulated by climate, so that colonization started earlier in forelands with mild summer temperatures. Colder forelands initially hosted poor communities, but the colonization rate then accelerated, eventually leveling biodiversity differences between climatic regimes in the long term. Immediately after glacier retreat, communities were dominated by colonizer taxa with short generation time and r‐ecological strategy but community composition shifted through time, with increased frequency of more persister taxa with K‐ecological strategy. These changes mostly occurred through the addition of new traits instead of their replacement during succession. The effects of local climate on nematode colonization led to heterogeneous but predictable patterns around the world that likely affect soil communities and overall ecosystem development.
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licence : CC BY - Paternité
licence : CC BY - Paternité