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| Pàgina inicial > Articles > Articles publicats > A systemic overreaction to years versus decades of warming in a subarctic grassland ecosystem |
(Université de Lausanne. Department of Ecology & Evolution) (University of Antwerp. Department of Biology) (Vrije Universiteit Amsterdam. Department of Ecological Science) (Agricultural University of Iceland) (Universität Wien. Department of Microbiology and Ecosystem Science) (Centre de Recerca Ecològica i d'Aplicacions Forestals) (University of Innsbruck. Institute of Ecology) (Centre de Recerca Ecològica i d'Aplicacions Forestals) (University of Antwerpen. Department of Biology) (Centre de Recerca Ecològica i d'Aplicacions Forestals) (Centre de Recerca Ecològica i d'Aplicacions Forestals) (Tartu Ülikool) (Centre de Recerca Ecològica i d'Aplicacions Forestals) (University of Antwerp. Department of Biology) (University of Antwerp. Biology Department) (Universiteit Antwerpen. Research Centre of Excellence Plants and Ecosystems)
| Data: | 2020 |
| Resum: | Temperature governs most biotic processes, yet we know little about how warming affects whole ecosystems. Here we examined the responses of 128 components of a subarctic grassland to either 5-8 or >50 years of soil warming. Warming of >50 years drove the ecosystem to a new steady state possessing a distinct biotic composition and reduced species richness, biomass and soil organic matter. However, the warmed state was preceded by an overreaction to warming, which was related to organism physiology and was evident after 5-8 years. Ignoring this overreaction yielded errors of >100% for 83 variables when predicting their responses to a realistic warming scenario of 1 °C over 50 years, although some, including soil carbon content, remained stable after 5-8 years. This study challenges long-term ecosystem predictions made from short-term observations, and provides a framework for characterization of ecosystem responses to sustained climate change. |
| Ajuts: | European Commission 610028 European Commission 291780 European Commission 676108 Ministerio de Economía y Competitividad CGL2016-79835-P Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1005 |
| Drets: | Tots els drets reservats.  |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió acceptada per publicar |
| Matèria: | Climate-change ecology ; Ecology ; Ecosystem ecology |
| Publicat a: | Nature ecology & evolution, Vol. 4, Issue 1 (January 2020) , p. 101-108, ISSN 2397-334X |
18 p, 675.8 KB |
