Growth rings show limited evidence for ungulates’ potential to suppress shrubs across the Arctic
| Autor: | Katariina Vuorinen, Gunnar Austrheim, Jean-Pierre Tremblay, Isla H. Myers-Smith, Hans Ivar Hortman, Peter Frank, Isabel C. Barrio, Fredrik Dalerum, Mats P. Björkman, Robert G. Björk, Dorothee Ehrich, Aleksandr Sokolov, Natalia Sokolova, Pascale Ropars, Stephane Boudreau, Signe Normand, Angela Luisa Prendin, Niels Martin Schmidt, Arturo Pacheco, Eric Post, Christian John, Jeff T Kerby, Patrick F Sullivan, Mathilde Le Moullec, Brage Bremset Hansen, Rene Van der Wal, Åshild Ønvik Pedersen, Lisa Sandal, Laura Gough, Amanda Young, Bingxi Li, Rúna Íris Magnússon, Ute Sass-Klaassen, Agata Buchwal, Jeffery M Welker, Paul Grogan, Rhett Andruko, Clara Morrissette-Boileau, Alexander Volkovitskiy, Alexandra Terekhina, James David Mervyn Speed |
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| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: |
dendroecology
WIMEK tundra Renewable Energy Sustainability and the Environment herbivory Zoology and botany: 480 [VDP] Public Health Environmental and Occupational Health browsing Plant Ecology and Nature Conservation PE&RC Forest Ecology and Forest Management Arctic climate change shrub VDP::Matematikk og naturvitenskap: 400::Zoologiske og botaniske fag: 480 VDP::Mathematics and natural scienses: 400::Zoology and botany: 480 Plantenecologie en Natuurbeheer Bosecologie en Bosbeheer Zoologiske og botaniske fag: 480 [VDP] General Environmental Science |
| Zdroj: | Vuorinen, K, Austrheim, G, Tremblay, J-P, Myers-Smith, I H, Hortman, H I, Frank, P, Barrio, I C, Dalerum, F, Björkman, M P, Björk, R G, Ehrich, D, Sokolov, A, Sokolova, N, Ropars, P, Boudreau, S, Normand, S, Prendin, A L, Schmidt, N M, Pacheco, A, Post, E, John, C, Kerby, J T, Sullivan, P F, Le Moullec, M, Hansen, B B, Van der Wal, R, Pedersen, Å Ø, Sandal, L, Gough, L, Young, A, Li, B, Magnússon, R Í, Sass-Klaassen, U, Buchwal, A, Welker, J M, Grogan, P, Andruko, R, Morrissette-Boileau, C, Volkovitskiy, A, Terekhina, A & Speed, J D M 2022, ' Growth rings show limited evidence for ungulates’ potential to suppress shrubs across the Arctic ', Environmental Research Letters, bind 17, 034013 . < https://doi.org/10.1088/1748-9326/ac5207 > Vuorinen, K E M, Austrheim, G, Tremblay, J P, Myers-Smith, I H, Hortman, H I, Frank, P, Barrio, I C, Dalerum, F, Björkman, M P, Björk, R G, Ehrich, D, Sokolov, A, Sokolova, N, Ropars, P, Boudreau, S, Normand, S, Prendin, A L, Schmidt, N M, Pacheco-Solana, A, Post, E, John, C, Kerby, J, Sullivan, P F, Moullec, M L, Hansen, B B, Van Der Wal, R, Pedersen, Å O, Sandal, L, Gough, L, Young, A, Li, B, Magnússon, R I, Sass-Klaassen, U, Buchwal, A, Welker, J, Grogan, P, Andruko, R, Morrissette-Boileau, C, Volkovitskiy, A, Terekhina, A & Speed, J D M 2022, ' Growth rings show limited evidence for ungulates' potential to suppress shrubs across the Arctic ', Environmental Research Letters, vol. 17, no. 3, 034013 . https://doi.org/10.1088/1748-9326/ac5207 Environmental Research Letters Aarhus University Environmental Research Letters, 17(3) Environmental Research Letters 17 (2022) 3 |
| ISSN: | 1748-9326 |
| Popis: | Global warming has pronounced effects on tundra vegetation, and rising mean temperatures increase plant growth potential across the Arctic biome. Herbivores may counteract the warming impacts by reducing plant growth, but the strength of this effect may depend on prevailing regional climatic conditions. To study how ungulates interact with temperature to influence growth of tundra shrubs across the Arctic tundra biome, we assembled dendroecological data from 20 sites, comprising 1153 individual shrubs and 223 63 annual growth rings. Evidence for ungulates suppressing shrub radial growth was only observed at intermediate summer temperatures (6.5 ◦C–9 ◦C), and even at these temperatures the effect was not strong. Multiple factors, including forage preferences and landscape use by the ungulates, and favourable climatic conditions enabling effective compensatory growth of shrubs, may weaken the effects of ungulates on shrubs, possibly explaining the weakness of observed ungulate effects. Earlier local studies have shown that ungulates may counteract the impacts of warming on tundra shrub growth, but we demonstrate that ungulates’ potential to suppress shrub radial growth is not always evident, and may be limited to certain climatic conditions. Arctic, browsing, climate change, dendroecology, herbivory, shrub, tundra |
| Databáze: | OpenAIRE |
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