Protecting the photosynthetic performance of snap bean under free air ozone exposure

Zhang, Lu; Hoshika, Yasutomo; Carrari, Elisa; Burkey, Kent O.; Paoletti, Elena

doi:10.1016/j.jes.2017.05.009

Cited by 12 publications

(2 citation statements)

References 44 publications

(62 reference statements)

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“…Additional crop functionalities of TEMIR (Tai et al, 2021) can also address the CO2 fertilization effects on crops, although studies have also found that the resulted productivity increase gives larger yield quantity but does not necessarily translate to increased yield quality (Myers et al, 2014;Ebi et al, 2021;Xia et al, 2021). The competing effects of CO2 fertilization and O3 damage on vegetation have been well documented in field experiments, although magnitudes vary and are species-dependent (e.g., Oikawa and Ainsworth, 2016;Proietti et al, 2016;Karlsson et al, 2017;Moura et al, 2018;Zhang et al, 2018;Ainsworth et al, 2020;Xia et al, 2021). TEMIR shows that CO2 fertilization can reduce the percentage O3 damage on vegetation (~1% globally), which is generally comparable to 1-2% found by Oliver et al (2018), whereas Sitch et al (2007) simulated a higher range of 6-9%.…”

Section: Discussionmentioning

confidence: 99%

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Tai

Yung

Lam

2023

Preprint

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Abstract. The newly developed offline land ecosystem model Terrestrial Ecosystem Model in R (TEMIR) version 1.0 is described here. This version of the model simulates plant ecophysiological (e.g., photosynthetic, stomatal) responses to varying meteorological conditions and concentrations of CO2 and ground-level ozone (O3) based on prescribed meteorological and atmospheric chemical inputs from various sources. Driven by the same meteorological data used in the GEOS-Chem chemical transport model, this allows asynchronously coupled experiments with GEOS-Chem simulations with unique coherency for investigating biosphere-atmosphere chemical interactions. TEMIR agrees well with FLUXNET site-level gross primary productivity (GPP) in terms of both the diurnal and monthly cycles (correlation coefficients R2 > 0.85 and R2 > 0.8, respectively) for most plant functional types (PFTs). Grass and shrub PFTs have larger biases due to generic model representations. The model performs best when driven by local site-level meteorology rather than reanalyzed gridded meteorology. Simulation using gridded meteorology agrees well for annual GPP in seasonality and spatial distribution with a global average of 134 Pg C yr–1. Application of Monin-Obukhov similarity theory to infer canopy conditions from gridded meteorology does not improve model performance, predicting a uniform increase of +21 % for global GPP. Present-day O3 concentrations simulated by GEOS-Chem and an O3 damage scheme at high sensitivity show a 2 % reduction in global GPP with prominent reductions by up to 15 % in eastern China and the eastern US. Regional correlations are generally unchanged when O3 is present, and biases are reduced especially for regions with high O3 damages. An increase in atmospheric CO2 concentration by 20 ppmv from year-2000 to year-2010 level modestly decreases O3 damage due to reduced stomatal uptake, consistent with ecophysiological understanding. Our work showcases the utility of this version of TEMIR for evaluating biogeophysical responses of vegetation to changes in atmospheric composition and meteorological conditions.

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Section: Discussionmentioning

confidence: 99%

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Tai

Yung

Lam

2023

Preprint

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“…The foliar application of agrochemicals as a protective measure against O 3 stress was studied in snap bean. Ethylenediurea and cytokinin applications minimized many of the negative effects of elevated [O 3 ] on foliar injury, photosynthesis, and stomatal conductance (Zhang et al., 2018 ). Crosstalk between salinity and O 3 stress was measured in pomegranate, which was sensitive to O 3 .…”

Section: O 3 ‐Face Experimentsmentioning

confidence: 99%

Approaches to investigate crop responses to ozone pollution: from O₃‐FACE to satellite‐enabled modeling

Montes

Demler

et al. 2021

The Plant Journal

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Ozone (O 3 ) is a damaging air pollutant to crops. As one of the most reactive oxidants known, O 3 rapidly forms other reactive oxygen species (ROS) once it enters leaves through stomata. Those ROS in turn can cause oxidative stress, reduce photosynthesis, accelerate senescence, and decrease crop yield. To improve and adapt our feed, fuel, and food supply to rising O 3 pollution, a number of Free Air Concentration Enrichment (O 3 -FACE) facilities have been developed around the world and have studied key staple crops. In this review, we provide an overview of the FACE facilities and highlight some of the lessons learned from the last two decades of research. We discuss the differences between C 3 and C 4 crop responses to elevated O 3 , the possible trade-off between productivity and protection, genetic variation in O 3 response within and across species, and how we might leverage this observed variation for crop improvement. We also highlight the need to improve understanding of the interaction between rising O 3 pollution and other aspects of climate change, notably drought. Finally, we propose the use of globally modeled O 3 data that are available at increasing spatial and temporal resolutions to expand upon the research conducted at the limited number of global O 3 -FACE facilities.

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Urban Biogeochemistry and Development: The Biogeochemical Impacts of Linear Infrastructure

Khan,

Maharana

2023

Biogeochemistry and the Environment

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Protecting the photosynthetic performance of snap bean under free air ozone exposure

Cited by 12 publications

References 44 publications

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Approaches to investigate crop responses to ozone pollution: from O₃‐FACE to satellite‐enabled modeling

Urban Biogeochemistry and Development: The Biogeochemical Impacts of Linear Infrastructure

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Protecting the photosynthetic performance of snap bean under free air ozone exposure

Cited by 12 publications

References 44 publications

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Terrestrial Ecosystem Model in R (TEMIR) version 1.0: Simulating ecophysiological responses of vegetation to atmospheric chemical and meteorological changes

Approaches to investigate crop responses to ozone pollution: from O3‐FACE to satellite‐enabled modeling

Urban Biogeochemistry and Development: The Biogeochemical Impacts of Linear Infrastructure

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Product

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Approaches to investigate crop responses to ozone pollution: from O₃‐FACE to satellite‐enabled modeling