(E)merging directions on air pollution and climate change research in Mediterranean Basin ecosystems

Munzi, Silvana; Ochoa‐Hueso, Raúl; Gerosa, Giacomo; Marzuoli, Riccardo

doi:10.1007/s11356-017-0688-5

Cited by 3 publications

(2 citation statements)

References 15 publications

(24 reference statements)

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“…This can negatively affect photosynthesis, decrease nutrient uptake and accelerate senescence. Different symptoms are potentially useful for phenotyping the effect of O 3, such as the accumulation of metabolites and antioxidants (Wang and Frei, 2011), leaf chlorophyll degradation (Munzi et al, 2017; Li et al, 2021a), reduced photosynthesis and stomatal conductance (Chen et al, 2009; Fatima et al, 2018) and grain yields (Fatima et al, 2018; Pleijel et al, 2019). The phenotyping approaches encompass measurements of photosynthetic via gas exchange (including stomatal conductance), and chlorophyll fluorescence (Chen et al, 2009), as well as various techniques for metabolite and antioxidant analyses that focus particularly on superoxide dismutase (SOD), peroxidase (POX), ascorbate peroxidase (APX), glutathione reductase (GR), glutathione peroxidase (GPX), and ascorbic acid (AsA) as some of the most important antioxidants induced under this stress.…”

Section: Boxmentioning

confidence: 99%

Crop phenotyping in a context of global change: What to measure and how to do it

Araus

Kefauver

Vergara-Díaz

et al. 2022

JIPB

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High-throughput crop phenotyping, particularly under field conditions, is nowadays perceived as a key factor limiting crop genetic advance. Phenotyping not only facilitates conventional breeding, but it is necessary to fully exploit the capabilities of molecular breeding, and it can be exploited to predict breeding targets for the years ahead at the regional level through more advanced simulation models and decision support systems. In terms of phenotyping, it is necessary to determined which selection traits are relevant in each situation, and which phenotyping tools/ methods are available to assess such traits. Remote sensing methodologies are currently the most popular approaches, even when lab-based analyses are still relevant in many circumstances. On top of that, data processing and automation, together with machine learning/deep learning are contributing to the wide range of applications for phenotyping. This review addresses spectral and red-green-blue sensing as the most popular remote sensing approaches, alongside stable isotope composition as an example of a lab-based tool, and root phenotyping, which represents one of the frontiers for field phenotyping. Further, we consider the two most promising forms of aerial platforms (unmanned aerial vehicle and satellites) and some of the emerging data-processing techniques. The review includes three Boxes that examine specific case studies.

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Section: Boxmentioning

confidence: 99%

Crop phenotyping in a context of global change: What to measure and how to do it

Araus

Kefauver

Vergara-Díaz

et al. 2022

JIPB

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“…The overall aim of this experiment is to identify the most relevant parameters and the direction in which they influence the decomposition rate in Mediterranean ecosystems. To do this, we performed a set of analyses to evaluate the response of litter decomposition to chronic N addition in three long term N manipulation experimental sites (NitroMed network (Lo Cascio et al, 2016;Munzi et al, 2017),) in Mediterranean shrubland ecosystems. We used the Tea Bag Index (TBI) as a standardized metric for litter decomposition (Keuskamp et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen Deposition Effects on Soil Properties, Microbial Abundance, and Litter Decomposition Across Three Shrublands Ecosystems From the Mediterranean Basin

Cascio

Morillas

Ochoa‐Hueso

et al. 2021

Front. Environ. Sci.

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Atmospheric nitrogen (N) inputs in the Mediterranean Basin are projected to increase due to fossil fuel combustion, fertilizer use, and the exacerbation of agricultural production processes. Although increasing N deposition is recognized as a major threat to ecosystem functioning, little is known about how local environmental conditions modulate ecosystem function response to N addition, particularly in the context of Mediterranean-Basin ecosystems. Here, we assess how N addition affects important ecosystem properties associated with litter decomposition, soil physical-chemical properties, soil extracellular enzymatic activity and microbial abundance across three long-term N addition experimental sites in the Mediterranean Basin. Sites were located in El Regajal (Madrid, Spain), Capo Caccia (Alghero, Italy), and Arrábida (Lisbon, Portugal) and are all representative of Mediterranean shrublands. No common pattern for litter decomposition process or other studied variables emerged among the control plots of the studied sites. Nitrogen supply only affected soil pH, a major driver of decomposition, in two out of three experimental sites. Moreover, when we explored the role of N addition and soil pH in controlling litter decay, we found that the effects of these factors were site-dependent. Our results point out to local ecosystem features modulating N addition effects in controlling litter decomposition rates in Mediterranean ecosystems, suggesting that the responses of soil functioning to N deposition are site-dependent. These findings provide further knowledge to understand contrasting ecosystem responses to N additions based on a single field experiments.

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Urbanization

2020

Advanced Remote Sensing

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(E)merging directions on air pollution and climate change research in Mediterranean Basin ecosystems

Cited by 3 publications

References 15 publications

Crop phenotyping in a context of global change: What to measure and how to do it

Crop phenotyping in a context of global change: What to measure and how to do it

Nitrogen Deposition Effects on Soil Properties, Microbial Abundance, and Litter Decomposition Across Three Shrublands Ecosystems From the Mediterranean Basin

Urbanization

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