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Lin PJ, Hershey MS, Lee TLI, Shih CW, Tausi S, Sosene V, Maani PP, Tupulaga M, Hsu YT, Chang CR, Wu SM, López-Gil JF, Tang LI, Shiau SC, Lo YH, Wei CF. Temporal trends of food consumption patterns in Tuvalu under the context of climate change: COMmunity-based Behavior and Attitude survey in Tuvalu (COMBAT) since 2020. Nutrition 2024; 125:112488. [PMID: 38810531 DOI: 10.1016/j.nut.2024.112488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/09/2024] [Accepted: 05/01/2024] [Indexed: 05/31/2024]
Abstract
AIM The aim of this study was to analyze temporal trends of food consumption patterns, attitudes, and health-related knowledge in Tuvalu, a small Pacific Island country facing the triple threat of obesity, climate change, and food insecurity. METHODS Two waves of the COMmunity-based Behavior and Attitude (COMBAT) survey were conducted in 2020 and 2022. Descriptive characteristics of changes in obesity proportion, food intake, and sociodemographic factors were assessed. Additionally, this study also integrates individual climate data utilizing satellite-based prediction models, and estimates historical temperature, precipitation, and sea level trends among all islands in Tuvalu. RESULTS The study revealed a high obesity proportion among adults (69.5% in 2020, 73.2% in 2022) and an increase in the percentage of adolescents with a high waist circumference. Variations in food intake were also observed between the two waves of the survey. CONCLUSIONS The data collected in the COMBAT study provides valuable insights for future epidemiological research to elucidate the associations and causal relationships between climate change, food security, and non-communicable diseases in Tuvalu.
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Affiliation(s)
- Po-Jen Lin
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan; Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA; Department of Medicine, Nuvance Health Danbury Hospital, Danbury, Connecticut, USA
| | - Maria Soledad Hershey
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Tai-Lin Irene Lee
- Department of Radiology and Imaging Science, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Chih-Wei Shih
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan; Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | | | - Vine Sosene
- Department of Public Health, Ministry of Health, Funafuti, Tuvalu
| | - Pauke P Maani
- Department of Public Health, Ministry of Health, Funafuti, Tuvalu
| | - Malo Tupulaga
- Department of Public Health, Ministry of Health, Funafuti, Tuvalu
| | - Yu-Tien Hsu
- Department of Social & Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Chia-Rui Chang
- Department of Biostatistics, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Stephanie M Wu
- Department of Biostatistics, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | | | - Lois I Tang
- Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts, USA
| | - Shi-Chian Shiau
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan; Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | - Yuan-Hung Lo
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan; Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | - Chih-Fu Wei
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA; Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
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Junaid MD, Chaudhry UK, Şanlı BA, Gökçe AF, Öztürk ZN. A review of the potential involvement of small RNAs in transgenerational abiotic stress memory in plants. Funct Integr Genomics 2024; 24:74. [PMID: 38600306 DOI: 10.1007/s10142-024-01354-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024]
Abstract
Crop production is increasingly threatened by the escalating weather events and rising temperatures associated with global climate change. Plants have evolved adaptive mechanisms, including stress memory, to cope with abiotic stresses such as heat, drought, and salinity. Stress memory involves priming, where plants remember prior stress exposures, providing enhanced responses to subsequent stress events. Stress memory can manifest as somatic, intergenerational, or transgenerational memory, persisting for different durations. The chromatin, a central regulator of gene expression, undergoes modifications like DNA acetylation, methylation, and histone variations in response to abiotic stress. Histone modifications, such as H3K4me3 and acetylation, play crucial roles in regulating gene expression. Abiotic stresses like drought and salinity are significant challenges to crop production, leading to yield reductions. Plant responses to stress involve strategies like escape, avoidance, and tolerance, each influencing growth stages differently. Soil salinity affects plant growth by disrupting water potential, causing ion toxicity, and inhibiting nutrient uptake. Understanding plant responses to these stresses requires insights into histone-mediated modifications, chromatin remodeling, and the role of small RNAs in stress memory. Histone-mediated modifications, including acetylation and methylation, contribute to epigenetic stress memory, influencing plant adaptation to environmental stressors. Chromatin remodeling play a crucial role in abiotic stress responses, affecting the expression of stress-related genes. Small RNAs; miRNAs and siRNAs, participate in stress memory pathways by guiding DNA methylation and histone modifications. The interplay of these epigenetic mechanisms helps plants adapt to recurring stress events and enhance their resilience. In conclusion, unraveling the epigenetic mechanisms in plant responses to abiotic stresses provides valuable insights for developing resilient agricultural techniques. Understanding how plants utilize stress memory, histone modifications, chromatin remodeling, and small RNAs is crucial for designing strategies to mitigate the impact of climate change on crop production and global food security.
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Affiliation(s)
- Muhammad Daniyal Junaid
- Department of Agricultural Genetic Engineering, Ayhan Şahenk Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Niğde, Türkiye, Turkey.
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences, University of the Punjab, Lahore, Pakistan.
| | - Usman Khalid Chaudhry
- Department of Agricultural Genetic Engineering, Ayhan Şahenk Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Niğde, Türkiye, Turkey
- Pakistan Environmental Protection Agency, Ministry of Climate Change & Environmental Coordination, Islamabad, Pakistan
| | - Beyazıt Abdurrahman Şanlı
- Department of Agricultural Genetic Engineering, Ayhan Şahenk Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Niğde, Türkiye, Turkey
| | - Ali Fuat Gökçe
- Department of Agricultural Genetic Engineering, Ayhan Şahenk Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Niğde, Türkiye, Turkey
| | - Zahide Neslihan Öztürk
- Department of Agricultural Genetic Engineering, Ayhan Şahenk Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Niğde, Türkiye, Turkey
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3
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Adraoui I, Jaafar B. Sustainable management of water resources and assessment of the vulnerability of Moroccan oases to climate change. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:17981-17993. [PMID: 36705828 DOI: 10.1007/s11356-023-25498-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/18/2023] [Indexed: 01/28/2023]
Abstract
In the oases of Morocco, climate trends show an increase in average temperatures of 2.2 °C and exacerbated precipitation by + 20% between 2020 and 2050 according to climate change scenarios. The consequences of these changes have a clear decrease in water availability and an increase in water needs. Therefore, analyzing water resource capacity and searching for adequate solutions to water scarcity in oases are essential for developing drylands. In this study, we assess the possible effects of climate change on water scarcity and the oasis ecosystem and its components. The calculated water stress index (WSI) remains very low due to a decrease in the resource impacted by the combined increase in precipitation and temperature. The obtained results indicate that for scenario 1 the WSI varies from 904 to 699 m3/inhab/year in 2030 and for scenario 2 the WSI varies between 583 in 2030 and 451 m3/inhab/year in 2050. The water availability indicator takes a value in scenario 1 of 75% for Zagora and 50% for Ouarzazate at the horizons 2030 and 2050, then increase in scenario 2 to 89% for Zagora and 78% for Ouarzazate at the horizons2030 and 2050. These results were used to develop the adaptation process, which aims to identify needs, activities, and projects in the short, medium, and long term at the horizons 2030 and 2050. In addition, it could shed light on sustainable development in this region. In addition, this study could be a reference for researchers and a decision-support document for decision-makers to place economic development within an environmental management framework.
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Affiliation(s)
- Imane Adraoui
- Laboratory of Materials and Biotechnology and Environment (LBME), Ibn Zohr University, Agadir, Morocco.
- Faculty of Applied Sciences-Ait Melloul, Ibn Zohr University, Agadir, Morocco.
| | - Brahim Jaafar
- Laboratory of Terrestrial Ecology, Faculty of Sciences Semlalia, Cadi Ayad University, Marrakech, Morocco
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4
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Sharma V, Mohammed SA, Devi N, Vats G, Tuli HS, Saini AK, Dhir YW, Dhir S, Singh B. Unveiling the dynamic relationship of viruses and/or symbiotic bacteria with plant resilience in abiotic stress. STRESS BIOLOGY 2024; 4:10. [PMID: 38311681 PMCID: PMC10838894 DOI: 10.1007/s44154-023-00126-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/22/2023] [Indexed: 02/06/2024]
Abstract
In the ecosphere, plants interact with environmental biotic and abiotic partners, where unbalanced interactions can induce unfavourable stress conditions. Abiotic factors (temperature, water, and salt) are primarily required for plants healthy survival, and any change in their availability is reflected as a stress signal. In certain cases, the presence of infectious pathogens such as viruses, bacteria, fungi, protozoa, nematodes, and insects can also create stress conditions in plants, leading to the emergence of disease or deficiency symptoms. While these symptoms are often typical of abiotic or biotic stress, however, there are instances where they can intensify under specific conditions. Here, we primarily summarize the viral interactions with plants during abiotic stress to understand how these associations are linked together during viral pathogenesis. Secondly, focus is given to the beneficial effects of root-associated symbiotic bacteria in fulfilling the basic needs of plants during normal as well as abiotic stress conditions. The modulations of plant functional proteins, and their occurrence/cross-talk, with pathogen (virus) and symbiont (bacteria) molecules are also discussed. Furthermore, we have highlighted the biochemical and systematic adaptations that develop in plants due to bacterial symbiosis to encounter stress hallmarks. Lastly, directions are provided towards exploring potential rhizospheric bacteria to maintain plant-microbes ecosystem and manage abiotic stress in plants to achieve better trait health in the horticulture crops.
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Affiliation(s)
- Vasudha Sharma
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Shakeel A Mohammed
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Nisha Devi
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Gourav Vats
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Hardeep S Tuli
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Adesh K Saini
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Yashika W Dhir
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
| | - Sunny Dhir
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
| | - Bharat Singh
- Department of Biosciences & Technology and Central Research Cell, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
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Karamidehkordi E, Karimi V, Hallaj Z, Karimi M, Naderi L. Adaptable leadership for arid/semi-arid wetlands conservation under climate change: Using Analytical Hierarchy Process (AHP) approach. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119860. [PMID: 38128210 DOI: 10.1016/j.jenvman.2023.119860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 10/13/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023]
Abstract
Adverse socio-economic and environmental impacts of climate change on wetlands have enforced the international community and many nations to develop adaptive policies for wetland management, which require effective leadership to influence relevant stakeholders. This study identifies and prioritizes leadership functions and theories for climate change adaptation (CCA) in wetlands ecosystems, particularly in arid and semi-arid regions. A mixed qualitative-quantitative research methodology was applied through focus groups and a survey with a sample of national, sub-national, and local experts on wetlands management and climate change in Iran. The Analytic Hierarchy Processing (AHP) technique identified the political-administrative (weight = 0.245), adaptive (W = 0.244), and enabling (W = 0.237) functions for CCA, respectively, as three prioritized leadership functions, followed by the dissemination function (W = 0.102), which emphasizes the necessity of applying and enhancing leaders' social capacities, knowledge, communication skills, and personal networks to facilitate social learning and actions regarding CCA in local communities and among relevant organizations. It is necessary to overcome structural and functional barriers for leaders and their followers to information access and involvement in participatory decision-making platforms. Moreover, network and communication leadership theories (W = 0.368) and sustainable leadership perspectives (W = 0.362), respectively, have the highest priority among leadership theories and are crucial for establishing participatory decision-making among relevant stakeholders and applying adaptive strategies for wetlands governance under climate change conditions. The reconceptualization of leadership as a complex adaptive notion draws attention to the social complexities and emerging characteristics of leadership in contemporary societies and organizations. The understanding of leaders' and followers' networks and identifying the core role of leaders provides a foundation for developing leadership functions and theories beyond hierarchical, individualistic, and one-way concepts of leadership.
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Affiliation(s)
- Esmail Karamidehkordi
- Department of Agricultural Extension and Education, Faculty of Agriculture, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Vahid Karimi
- Department of Agricultural Extension and Education, Faculty of Agriculture, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Zeynab Hallaj
- Department of Agricultural Extension and Education, Faculty of Agriculture, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Mandana Karimi
- Department of Sociology, University of Victoria, British Columbia, Canada.
| | - Ladan Naderi
- Department of Agricultural Extension, Communication and Rural Development, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
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6
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Ding H, Huang Z, Peng S, Wang H, Li J, Wang R, Zhang Y, Wang P. Preparation and Characteristics of Building Dust Suppressants with Strong Resistance to Harsh Environments. ACS OMEGA 2024; 9:3746-3757. [PMID: 38284029 PMCID: PMC10809320 DOI: 10.1021/acsomega.3c07734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 01/30/2024]
Abstract
Most dust suppressants used for buildings currently lack sufficient resistance to harsh conditions, such as high temperatures and wind erosion. To solve this problem, it is necessary to develop a new type of dust suppressant. In this study, the guar gum molecule was chemically modified to remove the active hydroxyl group in order to significantly improve the stability and adhesion of guar gum. Eventually, a composite dust suppressant was synthesized by incorporating a surfactant and an absorbent agent into modified guar gum. The functional groups of the reaction products were analyzed via infrared experiments, thus confirming the success of the modification. Wind erosion resistance and scanning electron microscopy experiments confirmed the improved bonding capabilities of the composite dust suppressant with dust particles. In experiments on wind erosion resistance, the dust fixation rate exceeded 50% after the application of the composite dust suppressant. The results of the thermogravimetric tests showed that the maximum mass loss rate of the samples with modified guar gum dust suppressants was 6.0% and 28% lower than those of the samples with unmodified guar gum dust suppressants and water, respectively. Furthermore, the tests conducted on pH value and corrosion resistance indicated that the pH value of this dust suppressant was comparable to that of tap water and demonstrated a similar rate of metal corrosion. The practical significance of this study is to improve the dust suppressant used in buildings, to improve the performance of dust suppressant and resistance to harsh environment, and to help to continuously improve the health of personnel and environmental protection during construction. The practical significance of this study is to improve the dust suppressant used in buildings, to improve the performance of dust suppressant and resistance to harsh environments, and to help to continuously improve the health of personnel and environmental protection during construction, which has positive practical significance for the building industry and related fields.
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Affiliation(s)
- Hao Ding
- Inst
Risk Assessment and Control, Guangdong Technol Ctr Work Safety Co., Ltd., Guangzhou 510050, PR China
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Zhian Huang
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Shijie Peng
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Hongsheng Wang
- Inst
Risk Assessment and Control, Guangdong Technol Ctr Work Safety Co., Ltd., Guangzhou 510050, PR China
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Jinyang Li
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Ruixiang Wang
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Yinghua Zhang
- State
Key Laboratory of High-Efficient Mining and Safety of Metal Mines
(University of Science and Technology Beijing), Ministry of Education, Beijing 100083, PR China
| | - Pengfei Wang
- Work
Safety Key Lab on Prevention and Control of Gas and Roof Disasters
for Southern Coal Mines, Hunan University
of Science & Technology, Xiangtan 411201, PR China
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Benítez-Cano D, González-Marín P, Gómez-Gutiérrez A, Marí-Dell'Olmo M, Oliveras L. Association of drought conditions and heavy rainfalls with the quality of drinking water in Barcelona (2010-2022). JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024; 34:175-183. [PMID: 38030824 DOI: 10.1038/s41370-023-00611-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 10/10/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND Climate change influences the incidence and scope of climate extreme events that affect communities and the environment around the world. In an urban context such as Barcelona, these climate extremes can have a negative impact on drinking water quality. The worsening of drinking water quality can have important repercussions on human health, leading to the appearance of different diseases. OBJECTIVE Investigate the association between climate extremes, in particular heavy rainfall events and drought conditions, and the drinking water quality in the city of Barcelona from 2010 to 2022. METHODS We conducted a daily retrospective time-series study using data covering 13 years of daily monitoring of conductivity, nickel, turbidity and trihalomethanes parameters of raw water in the Llobregat River catchment area and treated water in the Drinking Water Treatment Plant (DWTP) Sant Joan Despí. We used river flow as a proxy for drought conditions and heavy rainfall events. We analyzed short-term associations between river flow rate and quality parameters in raw and treated water using generalized linear regression with distributed lag-non-linear models (DLNM). RESULTS A low flow, as an indicator of drought condition or low rainfall, was significantly associated with an increase in conductivity in raw water and nickel in both raw and treated water. A high flow, as an indicator of heavy rainfall events, was significantly associated with an increase of turbidity in raw water, and a decrease in all other quality parameters. IMPACT STATEMENT This study provides novel evidence that climate extremes have an impact on the quality of drinking water in urban areas with a Mediterranean climate. The findings of this study are significant because they suggest that as the frequency and intensity of climate extremes increase due to climate change, there will be further challenges in managing and treating drinking water, which could have a detrimental effect on public health. This study serves as an important reminder of the need to strengthen and accelerate adaptation actions in water management to ensure an adequate supply of drinking water that protects the people's health.
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Affiliation(s)
- Daniela Benítez-Cano
- Agència de Salut Pública de Barcelona, Lesseps 1, 08023, Barcelona, Catalonia, Spain
- Universitat Pompeu Fabra, Doctor Aiguader 88, 08003, Barcelona, Catalonia, Spain
| | - Patricia González-Marín
- Agència de Salut Pública de Barcelona, Lesseps 1, 08023, Barcelona, Catalonia, Spain
- Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Sant Quintí 77, 08041, Barcelona, Catalonia, Spain
| | - Anna Gómez-Gutiérrez
- Agència de Salut Pública de Barcelona, Lesseps 1, 08023, Barcelona, Catalonia, Spain
- Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Sant Quintí 77, 08041, Barcelona, Catalonia, Spain
| | - Marc Marí-Dell'Olmo
- Agència de Salut Pública de Barcelona, Lesseps 1, 08023, Barcelona, Catalonia, Spain.
- Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Sant Quintí 77, 08041, Barcelona, Catalonia, Spain.
- CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Catalonia, Spain.
| | - Laura Oliveras
- Agència de Salut Pública de Barcelona, Lesseps 1, 08023, Barcelona, Catalonia, Spain.
- Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Sant Quintí 77, 08041, Barcelona, Catalonia, Spain.
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Tu J, Abid M, Luo J, Zhang Y, Yang E, Cai X, Gao P, Huang H, Wang Z. Genome-wide identification of the heat shock transcription factor gene family in two kiwifruit species. FRONTIERS IN PLANT SCIENCE 2023; 14:1075013. [PMID: 37799558 PMCID: PMC10548268 DOI: 10.3389/fpls.2023.1075013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 08/28/2023] [Indexed: 10/07/2023]
Abstract
High temperatures have a significant impact on plant growth and metabolism. In recent years, the fruit industry has faced a serious threat due to high-temperature stress on fruit plants caused by global warming. In the present study, we explored the molecular regulatory mechanisms that contribute to high-temperature tolerance in kiwifruit. A total of 36 Hsf genes were identified in the A. chinensis (Ac) genome, while 41 Hsf genes were found in the A. eriantha (Ae) genome. Phylogenetic analysis revealed the clustering of kiwifruit Hsfs into three distinct groups (groups A, B, and C). Synteny analysis indicated that the expansion of the Hsf gene family in the Ac and Ae genomes was primarily driven by whole genome duplication (WGD). Analysis of the gene expression profiles revealed a close relationship between the expression levels of Hsf genes and various plant tissues and stress treatments throughout fruit ripening. Subcellular localization analysis demonstrated that GFP-AcHsfA2a/AcHsfA7b and AcHsfA2a/AcHsfA7b -GFP were localized in the nucleus, while GFP-AcHsfA2a was also observed in the cytoplasm of Arabidopsis protoplasts. The results of real-time quantitative polymerase chain reaction (RT-qPCR) and dual-luciferase reporter assay revealed that the majority of Hsf genes, especially AcHsfA2a, were expressed under high-temperature conditions. In conclusion, our findings establish a theoretical foundation for analyzing the potential role of Hsfs in high-temperature stress tolerance in kiwifruit. This study also offers valuable information to aid plant breeders in the development of heat-stress-resistant plant materials.
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Affiliation(s)
- Jing Tu
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Muhammad Abid
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Juan Luo
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Yi Zhang
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Endian Yang
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Xinxia Cai
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Puxin Gao
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Hongwen Huang
- College of Life Science, Nanchang University, Nanchang, China
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, China
| | - Zupeng Wang
- College of Life Science, Nanchang University, Nanchang, China
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Lin PJ, Lee TLI, Hershey MS, Shih CW, Tausi S, Sosene V, Maani PP, Tupulaga M, Wu SM, López-Gil JF, Lo YH, Shiau SC, Hsu YT, Chang CR, Wei CF. Exploring the link between home garden use and severe obesity: Insights from a nationwide survey in Tuvalu. J Glob Health 2023; 13:04097. [PMID: 37655368 PMCID: PMC10472202 DOI: 10.7189/jogh.13.04097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Background Obesity is prevalent and increasing but understudied across Pacific Islanders. Tuvalu is a South Pacific country with a high obesity rate and faces multiple threats of food insecurity. Home garden serves as a sustainable food source and can be a possible intervention for the obesity pandemic in Tuvalu. This study investigated Tuvaluans' home garden use and obesity, and explored factors associated with increased use of home gardens. Methods We conducted a nationwide, cross-sectional study in Tuvalu during 2022. Structured questionnaires were administered during the in-person interviews, and trained interviewers measured the height and weight of each participant. The association between home garden use, obesity and severe obesity were tested with univariate and multivariable logistic regression. We also applied overlapping weights to balance the distribution of baseline demographic factors. Results The average body mass index was 34.87 kilogrammes (kg) / square metre (m2) among the study population of 1024 adults (630 from Funafuti and 394 from other islands in Tuvalu). Overall, people having home gardens was associated lower odds for severe obesity compared to those without a home garden in overlap weighting models (odds ratio (OR) = 0.946, 95% CI = 0.897-0.997, P = 0.039) and the association was stronger in Funafuti (OR = 0.927, 95% CI = 0.866-0.991, P = 0.027) than in the outlying islands (OR = 0.967, 95% CI = 0.889-1.052, P = 0.435). Furthermore, increased age was positively associated with having a home garden in Funafuti, and smoking showed an inverse association. Conclusions Having a home garden is associated with lower odds of severe obesity in Tuvalu, and the association is stronger in Funafuti. Smokers are less likely to have home gardens, and increased age is positively associated with having home gardens. These findings promote more home garden utilisation and provide evidence for targeted interventions in Tuvalu.
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Affiliation(s)
- Po-Jen Lin
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan
- Department of Medicine, Nuvance Health Danbury Hospital, Danbury, Connecticut, USA
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Tai-Lin I Lee
- Division of Medical Imaging, Department of Radiology, Far Eastern Memorial Hospital, New Taipei city, Taiwan
| | - Maria Soledad Hershey
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Chih-Wei Shih
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan
- Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | - Selotia Tausi
- Department of Agriculture, Tuvalu Ministry of Local Government and Agriculture, Funafuti, Tuvalu
| | - Vine Sosene
- Department of Public Health, Tuvalu Ministry of Health, Funafuti, Tuvalu
| | - Pauke P Maani
- Department of Public Health, Tuvalu Ministry of Health, Funafuti, Tuvalu
| | - Malo Tupulaga
- Department of Public Health, Tuvalu Ministry of Health, Funafuti, Tuvalu
| | - Stephanie M Wu
- Department of Biostatistics, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - José Francisco López-Gil
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Navarrabiomed, Hospital Universitario de Navarra, Universidad Pública de Navarra, IdiSNA, Pamplona, Navarra, Spain
- One Health Research Group, Universidad de Las Américas, Quito, Ecuador
| | - Yuan-Hung Lo
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan
- Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | - Shi-Chian Shiau
- Taiwan International Cooperation and Development Fund (ICDF), Taipei, Taiwan
- Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
| | - Yu-Tien Hsu
- Department of Social & Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Chia-Rui Chang
- Department of Biostatistics, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Chih-Fu Wei
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Taiwan Technical Mission to Tuvalu, Funafuti, Tuvalu
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10
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Nepomoceno TAR, Carniatto I. Correlations between climate resilience in family farming and sustainable rural development. AMBIO 2023; 52:1233-1247. [PMID: 36913117 PMCID: PMC10009837 DOI: 10.1007/s13280-023-01848-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/09/2022] [Accepted: 02/20/2023] [Indexed: 06/08/2023]
Abstract
Given the recognition that climate change predominantly affects the most vulnerable groups, there has been a growing interest in reorientations that can influence family farming's resilience. However, there is still a lack of research relating this subject to sustainable rural development perspectives. We reviewed 23 studies published between 2000 and 2021. These studies were systematically selected according to the pre-established criteria. Even though there is evidence that using adaptation strategies can effectively strengthen climate resilience in rural communities, many limiting factors remain. The convergences for sustainable rural development may include actions with a long-term horizon. These actions include an improvement package for territorial configurations within a local, inclusive, equitable, and participatory perspective. Furthermore, we discuss possible arguments for the results and future directions to explore opportunities in family farming.
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Affiliation(s)
| | - Irene Carniatto
- Center for Agricultural Sciences, Western Paraná State University, Marechal Cândido Rondon, Paraná, 85.960-000, Brazil
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11
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Nguyen DT, Ashraf S, Le M, Trung LQ, Ali M. Projection of climate variables by general circulation and deep learning model for Lahore, Pakistan. ECOL INFORM 2023. [DOI: 10.1016/j.ecoinf.2023.102077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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12
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Henschel JM, Dantas EFO, de Azevedo Soares V, dos Santos SK, da Silva Gomes D, Ferreira LM, Lopes AS, Dias TJ, Batista DS. Drought stress mitigation by foliar application of L-carnitine and its effect on radish morphophysiology. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:579-590. [PMID: 37187775 PMCID: PMC10172445 DOI: 10.1007/s12298-023-01308-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023]
Abstract
Drought is the major abiotic stress limiting crop production worldwide, with drought events being expected to be harsher and more frequent due to the global warming. In this context, the development of strategies to mitigate the deleterious effects of drought, such as the use of biostimulants, is imperative. Radish is a globally cultivated root vegetable, with high nutritional and phytochemical value. Thus, this study aimed to evaluate the potential of exogenous carnitine application in the mitigation of drought stress on radish morphophysiology. For this, radish plants were grown for 30 days, being irrigated with 80% (well-watered) or 15% (drought stress) of water holding capacity and sprayed with carnitine (5, 50, and 500 µM) or water (0 µM-no carnitine). The experimental design was completely randomized, in a 4 × 2 factorial scheme (carnitine concentrations × water conditions) with six replicates, and each experimental unit consisted of one plant. The gas exchanges, chlorophyll a fluorescence, photosynthetic pigments, electrolyte leakage, relative water content, and biomass production and allocation were evaluated. Drought reduced the photosynthetic capacity of plants by impairing water balance and membrane integrity, decreasing biomass accumulation, mainly in globular roots. The application of low carnitine (5 µM) mitigated these negative effects caused by drought, increasing membrane integrity and water balance of plants, while higher carnitine concentration (50 and 500 µM) aggravated drought stress. This study highlights the potential of carnitine in the mitigation of drought stress on radish plants, supporting its role as a biostimulant. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-023-01308-6.
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Affiliation(s)
- Juliane Maciel Henschel
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
| | | | - Vanessa de Azevedo Soares
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brazil
| | - Sabrina Kelly dos Santos
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
| | - Daniel da Silva Gomes
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
| | - Lucélio Mendes Ferreira
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
| | - Adriano Salviano Lopes
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
| | - Thiago Jardelino Dias
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brazil
| | - Diego Silva Batista
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brazil
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brazil
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13
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Chen WL, Yu SY, Liu SY, Lin SC, Lee TH. Using HRMS fingerprinting to explore micropollutant contamination in soil and vegetables caused by swine wastewater irrigation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 862:160830. [PMID: 36526190 DOI: 10.1016/j.scitotenv.2022.160830] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/16/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Livestock wastewater has been reused for agricultural irrigation to save water and fertilise the soil. However, micropollutants excreted by livestock animals may contaminate the soil and crops through livestock wastewater irrigation. This study employed high-resolution mass spectrometry (HRMS) to facilitate broad-scope suspect screening of soil and vegetables and identify changes in micropollutant fingerprints caused by swine wastewater irrigation. Field trials were performed to simulate the practical cultivation of small leafy vegetables. Soil and pak choi were irrigated with groundwater, a reasonable amount of swine wastewater, and excessive swine wastewater (three times the reasonable amount) and were sampled at three time points. The samples were extracted using organic solvents and analysed with a liquid chromatography-quadrupole-time-of-flight HRMS system. The molecular features were compared to over 3000 micropollutants in commercial libraries. The relative concentrations of suspect micropollutants among the irrigation groups were compared using multivariate and univariate analyses. The marker micropollutants that increased with swine wastewater irrigation were rigorously identified based on the MS/MS spectra. Fifty-three micropollutants were frequently found in the soil (n = 54) and 36 in the pak choi (n = 53). Partial least squares discriminant analysis (PLS-DA) models revealed significant differences in the micropollutant fingerprints in the soil among the three irrigation groups, but not in the pak choi. Eight micropollutants with variable importance in projection scores above 1.0 in the PLS-DA model and significantly higher relative concentrations (p < 0.05) in the soil irrigated with swine wastewater were confirmed as markers. Besides veterinary drugs and their metabolites, cinnamic acid and phenylalanine were the markers relevant to swine feed that were not previously reported. Nevertheless, accumulations of micropollutants in the soil or contamination of the pak choi due to swine wastewater irrigation were not found under the trial conditions.
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Affiliation(s)
- Wen-Ling Chen
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, Taiwan; Department of Public Health, College of Public Health, National Taiwan University, Taiwan; Department of Agricultural Chemistry, College of Bioresources and Agriculture, National Taiwan University, Taiwan.
| | - Sih-Yi Yu
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, Taiwan
| | - Shu-Yen Liu
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, Taiwan
| | - Sheng-Chi Lin
- Hydrotech Research Institute, National Taiwan University, Taiwan
| | - Tsung-Han Lee
- National Taiwan University Plant Teaching Hospital, Taiwan
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14
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Pandey S, Kumari N. Prediction and monitoring of LULC shift using cellular automata-artificial neural network in Jumar watershed of Ranchi District, Jharkhand. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 195:130. [PMID: 36409418 DOI: 10.1007/s10661-022-10623-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Jumar watershed of Ranchi district is agrarian in nature. The unplanned and exponentially growing urban sprawl has become one of the probable threats in achieving sustainable development goals (SDG-15). The purpose of this research study is to monitor the urban sprawl in Jumar watershed within three decades i.e. from the year 1990 to 2021. Land use land cover (LULC) change has been monitored using satellite data from LANDSAT (4, 5 and 8). Various indices are calculated like normalised difference vegetation index (NDVI), normalised difference built-up index (NDBI), normalised difference water index (NDWI) and built-up index (BUI) to monitor LULC change in the area. For prediction of urban sprawl, cellular automata and artificial neural network (CA-ANN) with GIS application technique is used. The model is validated by using Kappa coefficient. The prediction results showed increase in built-up area by 8.23 sq. km in the next decade. The built-up and barren land together increase up to 42.85 sq. km by 2030 and 34.61 sq. km in 2021. The NDVI for 3-decade period showed significant decrease in the healthy vegetation and increase in sparse vegetation. The NDBI showed a slight increase in urban area but massive increase in uncultivated and barren land. NDWI showed a decrease in area of the surface water. The LULC studies showed a major shift from healthy vegetation to agriculture and then to barren land. To assess the impact of urbanisation on water quality, water samples are taken seasonally from J1to J11 sampling locations and are analysed as per APHA procedure. The sites are classified as urban, semi urban and rural area as per their location. The water quality index (WQI) varied between 42.14 to 61.42 during pre-monsoon, 62.20 to 68.7995 during monsoon and 43.48 to 60.12 during post-monsoon. The quality of water is found poor in all seasons at all sampling sites. The water is found highly turbid and alkaline throughout the year. Overall, it can be concluded that the water needs to be pre-treated for drinking purposes throughout the year.
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Affiliation(s)
- Soumya Pandey
- Department of Civil and Environmental Engineering, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India, 835215
| | - Neeta Kumari
- Department of Civil and Environmental Engineering, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India, 835215.
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15
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Azizi J, Zarei N, Ali S. The short- and long-term impacts of climate change on the irrigated barley yield in Iran: an application of dynamic ordinary least squares approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40169-40177. [PMID: 35119642 DOI: 10.1007/s11356-022-19046-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Given the extensive impacts of climate change on the agricultural sector and their interactions, the climate change is known as one of the main factors influencing agricultural production. The present study aims to explore the short- and long-term impacts of climate change on the yield of irrigated barley in 28 Iranian provinces over the 1999-2015 period. The research uses panel data and dynamic ordinary least squares (DOLS) method. The study also estimated the threshold levels of temperature and rainfall which confirmed an inverted U-shaped relationship between climate change variables and irrigated barley yield. The threshold levels of temperature and rainfall are estimated to be 15.48 °C and 239 mm, respectively; beyond these threshold levels, the increase in temperature and rainfall have negative impact on barley yield in Iran. The long-term elasticity of temperature shows that the yield will be reduced with the increase in temperature in the long run. Same is the case with the precipitation and barley yield. The findings of the study suggest the need of a comprehensive national climate change policy and alignment of sectoral policies with it mitigate and adapt the climate change and global warming. Moreover, it also provided the guidelines for the government and policy-makers to introduce the use of modern eco-friendly and resource saving technologies such as water-saving methods of irrigation, use of fertilizer in required quantities, and improved seeds use. The government should also introduce the climate change awareness programs especially for farmers.
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Affiliation(s)
- Jafar Azizi
- Department of Agricultural Economics and Management, Islamic Azad University of Iran, Tehran, Iran
| | - Nasibeh Zarei
- Faculty of Agriculture Economics, Shahid Bahonar University, Kerman, Iran
| | - Sharafat Ali
- Department of Economics, Government Graduate College Kot Sultan, Layyah, Punjab, Pakistan.
- College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, People's Republic of China.
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16
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Risks of Climate Change on Future Water Supply in Smallholder Irrigation Schemes in Zimbabwe. WATER 2022. [DOI: 10.3390/w14111682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Smallholder irrigation schemes (SISs) have been portrayed as a panacea to climate change adaptation. However, there is an emerging discourse that established schemes are becoming vulnerable to increased climate variability and change, particularly increased water stress. This paper reviews the existing knowledge on risks of climate change and variability in water supply in smallholder irrigation farming in Zimbabwe. In addition, this paper highlights adaptation options to climate change in SISs. Data for this review were collected systematically from peer-reviewed and published literature. The literature used for this study showed that SISs in Zimbabwe are beset with water stress, competing water needs and the outbreak of pests and diseases, which have been related with climate change and variability. Climate change is making Zimbabwe more arid through decreasing precipitation and warming. Droughts and floods are increasing in frequency and severity. Damage by floods is increasing exponentially, impacting environments, ecological systems and national economies. Climate change affects SISs’ productivity and decimates the livelihoods of scheme farmers. The review suggests that there is a need for increased adsorptive, adoptive and transformational capacity for SISs to obtain a new state of resilience from adverse effects of increased climate variability and change. This review recommends understanding and prioritizing solutions to vulnerability to climate change in SISs.
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17
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Chen CK, Nguyen NT, Le TT, Duong CC, Nguyen CN, Truong DT, Liao CH. Novel design of amine and metal hydroxide functional group modified onto sludge biochar for arsenic removal. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2022; 85:1384-1399. [PMID: 35290219 DOI: 10.2166/wst.2022.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This study involved novel-designed sludge biochar (SB) adsorbed for arsenic removal with lower operating costs and higher adsorption efficiency properties. Generally, biochar only relies on micropores for pollutant adsorption, but physical adsorption is not highly efficient for arsenic removal. Therefore, in order to improve the removal efficiency of arsenic by SB, diethylenetriamine (DETA) and FeCl3 were used in this study to modify the surface of SB by an immersion method. The objectives of this research are to obtain optimum operation conditions by assessing the effect of different Fe content, pH and initial concentration on adsorbing arsenic. This study is the first to use Density Functional Theory (DFT) to simulate and verify the adsorption mechanism of arsenic by SB. Results showed the presence of amine/iron oxyhydroxides functional groups greatly promoted SB surface activity and its arsenic adsorption potential. The surface area, pore volume and pore size of the SB were estimated to be 525 m2 g-1, 0.35 cm3 g-1 and 8.71 nm, respectively. The DFT model result is the same as the result of arsenic adsorption performance with high adsorption energy (-246.3 kJmol-1) and shorter bond distances (1.42 Å), indicating strong chemical adsorption between arsenic and material. The reaction mechanism is divided into four pathways, including oxidation-reduction, complexation, electrostatic adsorption and pore adsorption.
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Affiliation(s)
- Chih-Kuei Chen
- Department of Environmental Engineering, National I-Lan University, Ilan 26047, Taiwan, China; Continental Water Engineering Corporation, Taipei 10608, Taiwan, China
| | - Nhat-Thien Nguyen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan, China
| | - Thuy-Trang Le
- Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang 500000, Viet Nam
| | - Cong-Chinh Duong
- Southern Institute of Water Resources Research, Ho Chi Minh 700000, Viet Nam
| | - Cong-Nguyen Nguyen
- Faculty of Chemistry and Environment, Dalat University, Dalat 66100, Viet Nam
| | | | - Chun-Hsing Liao
- Infectious Disease Divisions, Far Eastern Memorial Hospital, New Tai-Pei 22060, Taiwan, China E-mail:
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18
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Petoussi MA, Kalogerakis N. Olive mill wastewater phytoremediation employing economically important woody plants. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 302:114076. [PMID: 34781052 DOI: 10.1016/j.jenvman.2021.114076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 11/06/2021] [Accepted: 11/06/2021] [Indexed: 06/13/2023]
Abstract
In this study two plant species, Punica granatum L. and Myrtus communis L., have been tested as candidates for phytoremediation of olive mill wastewater (OMW) through recirculation in soil pilot units, according to the proposed patented technology by Santori and Cicalini [EP1216963 A. 26 Jun 2002]. Wastewater was treated in batches of low to high organics strength (COD: 2 700-45 700 mg/L) during summer months of two consecutive years. Dynamics of the most important wastewater parameters were investigated, and corresponding removal rates were estimated. During treatment of low organic load OMW, average removal rate of organics, phenolics, total nitrogen and total phosphorus were 0.68 g-COD/kg-soil d, 0.073 g-TPh/kg-soil d, 0.033 g-TN/kg-soil d and 0.0074 g-TP/kg-soil d respectively and plants proved to be tolerant to the OMW. During treatment of high organic load OMW removal rates were roughly 10-fold higher although phytotoxic symptoms were observed. Plants were found to contribute greatly to the OMW treatment process since organics removal rates in pilot units were found to be at least 10-fold higher than in wastewater treatment in non-vegetated soil. Plant species with high added value products such as pomegranate and myrtle trees were used in this study, improving the circular economy potential of the aforementioned technology. Moreover, its efficiency has been demonstrated by quantification of the overall removal rates of key constituents as well as the contribution of the plants in the OMW treatment.
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Affiliation(s)
- Margarita A Petoussi
- School of Chemical and Environmental Engineering, Technical University of Crete, Chania, Greece
| | - Nicolas Kalogerakis
- School of Chemical and Environmental Engineering, Technical University of Crete, Chania, Greece.
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Extreme Climate Shocks and Green Agricultural Development: Evidence from the 2008 Snow Disaster in China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182212055. [PMID: 34831814 PMCID: PMC8621866 DOI: 10.3390/ijerph182212055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 01/04/2023]
Abstract
Extreme climate shocks cause agricultural yield reductions and increase long-term climate risk, altering farmers’ long-term production decisions and affecting green agricultural development (GAD). We take the 2008 snow disaster in China as an extreme climate shock, calculate the GAD index by the entropy weighting method, and use the difference-in-difference method to study the extreme climate shock’s impact on GAD. The results show that: (1) Extreme climate shocks are detrimental to GAD, with the snow disaster decreasing China’s GAD level by 3.07%. (2) The impacts of extreme climate shocks are heterogeneous across climate and economic zones, with greater impact in humid and developed regions. (3) Extreme climate shocks affect GAD mainly by reducing farmers’ willingness to cultivate, and increasing energy consumption, fertilizer, and pesticide input. (4) Extreme climate shocks do not reduce agricultural yields in the long run. Still, they reduce the total value of agricultural production and decrease the quality of agricultural products expressed in terms of unit value. The findings of this study have policy implications for developing countries in coping with extreme climate shocks and promoting GAD.
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20
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Sustainable intensification of maize and wheat cropping system through pulse intercropping. Sci Rep 2021; 11:18805. [PMID: 34552117 PMCID: PMC8458501 DOI: 10.1038/s41598-021-98179-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 08/26/2021] [Indexed: 11/08/2022] Open
Abstract
The intercropping of legumes with cereals help to achieve sustainable intensification by their mutual complementarity at efficiently using radiation, nutrients, etc. Several studies indicated such beneficial effects on the other component crop however, little research has been conducted to quantify their effects on the subsequent crop in a cropping system. In this study, the effect of the legume intercropping on the entire cropping system, particularly the maize + legume-wheat system was studied. Four legumes intercropped to maize followed by wheat crop were studied for intensification measures such as wheat equivalent yield (WEY), land equivalent ratio (LER), sustainable value index (SVI), and economic returns. N saving effect of legumes on the subsequent wheat crop was quantified with two N levels. Maize + cowpea-wheat combination was the most productive and economic intercrop combination (LER = 1.71, SVI = 0.96) with an increase in net economic return (43.63%) with a B:C ratio of 1.94. An additional 25% N (37.5 kg ha-1) was saved in the wheat crop when the legume intercropping was undertaken with maize. The results suggest that intercropping is the key to diversification and reduces the risk of crop failures by enhancing land-use efficiency, soil fertility, and economic returns under weather vagaries. This will be beneficial to small and marginal farmers of many countries.
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