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Increasing climatic...
Increasing climatic sensitivity of global grassland vegetation biomass and species diversity correlates with water availability
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- Liu, Daijun (författare)
- Autonomous University of Barcelona,University of Vienna,University of Birmingham
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- Zhang, Chao (författare)
- Autonomous University of Barcelona,Global Ecology Unit CREAF-CSIC-UAB,University of Helsinki
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- Ogaya, Romà (författare)
- Autonomous University of Barcelona,Global Ecology Unit CREAF-CSIC-UAB
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- Fernández-Martínez, Marcos (författare)
- University of Antwerp
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- Pugh, Thomas A M (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,University of Birmingham
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- Peñuelas, Josep (författare)
- Autonomous University of Barcelona,Global Ecology Unit CREAF-CSIC-UAB
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(creator_code:org_t)
- 2021-03-19
- 2021
- Engelska 11 s.
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Ingår i: New Phytologist. - : Wiley. - 1469-8137 .- 0028-646X. ; 230:5, s. 1761-1771
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://nph.onlineli...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Grasslands are key repositories of biodiversity and carbon storage and are heavily impacted by effects of global warming and changes in precipitation regimes. Patterns of grassland dynamics associated with variability in future climate conditions across spatiotemporal scales are yet to be adequately quantified. Here, we performed a global meta-analysis of year and growing season sensitivities of vegetation aboveground biomass (AGB), aboveground net primary productivity (ANPP), and species richness (SR) and diversity (Shannon index, H) to experimental climate warming and precipitation shifts. All four variables were sensitive to climate change. Their sensitivities to shifts in precipitation were correlated with local background water availability, such as mean annual precipitation (MAP) and aridity, and AGB and ANPP sensitivities were greater in dry habitats than in non-water limited habitats. There was no effect of duration of experiment (short vs long-term) on sensitivities. Temporal trends in ANPP and SR sensitivity depended on local water availability; ANPP sensitivity to warming increased over time and SR sensitivity to irrigation decreased over time. Our results provide a global overview of the sensitivities of grassland function and diversity to climate change that will improve understanding of ecological responses across spatiotemporal scales and inform policies for conservation in dry climates.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
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