ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2020
Physiological response of Swiss ecosystems to 2018 drought across plant types and elevation.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 93 citations in OpenAlex.
- Forest under stress: responses and recovery of water relations across scales during the compound drought in summer 2022.The New phytologist · 2026Article
- Effects of soil and atmospheric drought on intra-annual δ13C patterns in tree rings.Tree physiology · 2025Article
- Widespread but Divergent Drought Legacy Effects on Gross Primary Productivity Across Biomes.Global change biology · 2025Article
- Article
- Normalized tree water deficit: an automated dendrometer signal to quantify drought stress in trees.The New phytologist · 2025Article
- Net Ecosystem COGlobal change biology · 2025Article
- Vapor-pressure-deficit-controlled temperature response of photosynthesis in tropical trees.Photosynthetica · 2024Article
- Increased photosynthesis during spring drought in energy-limited ecosystems.Nature communications · 2023Article
- Long-term daily hydrometeorological drought indices, soil moisture, and evapotranspiration for ICOS sites.Scientific data · 2023Article
- Dew benefits on alpine grasslands are cancelled out by combined heatwave and drought stress.Frontiers in plant science · 2023Article
- Did the 2018 megadrought change the partitioning of growth between tree sizes and species? A Swiss case-study.Plant biology (Stuttgart, Germany) · 2022Article
- Soil-plant interactions modulated water availability of Swiss forests during the 2015 and 2018 droughts.Global change biology · 2022Article
- Lack of hydraulic recovery as a cause of post-drought foliage reduction and canopy decline in European beech.The New phytologist · 2022Article
- Satellite data reveal differential responses of Swiss forests to unprecedented 2018 drought.Global change biology · 2022Article
- Why trees grow at night.The New phytologist · 2021Article
- Rapid hydraulic collapse as cause of drought-induced mortality in conifers.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- A historical, geographical and ecological perspective on the 2018 European summer drought.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Spring enhancement and summer reduction in carbon uptake during the 2018 drought in northwestern Europe.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
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11 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Using five eddy covariance flux sites (two forests and three grasslands), we investigated ecosystem physiological responses to the 2018 drought across elevational gradients in Switzerland. Flux measurements showed that at lower elevation sites (below 1000 m.a.s.l.; grassland and mixed forest) annual ecosystem productivity (GPP) declined by approximately 20% compared to the previous 2 years (2016 and 2017), which led to a reduced annual net ecosystem productivity (NEP). At the high elevation sites, however, GPP increased by approximately 14% and as a result NEP increased in the alpine and montane grasslands, but not in the subalpine coniferous forest. There, increased ecosystem respiration led to a reduced annual NEP, despite increased GPP and lengthening of the growing period. Among all ecosystems, the coniferous forest showed the most pronounced negative stomatal response to atmospheric dryness (i.e. vapour pressure deficit, VPD) that resulted in a decline in surface conductance and an increased water-use efficiency during drought. While increased temperature enhanced the water-use efficiency of both forests, de-coupling of GPP from evapotranspiration at the low-elevation grassland site negatively affected water-use efficiency due to non-stomatal reductions in photosynthesis. Our results show that hot droughts (such as in 2018) lead to different responses across plants types, and thus ecosystems. Particularly grasslands at lower elevations are the most vulnerable ecosystems to negative impacts of future drought in Switzerland. This article is part of the theme issue 'Impacts of the 2018 severe drought and heatwave in Europe: from site to continental scale'.
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