Endophytes and Halophytes to Remediate the Industrial Wastewater and Saline Soils: Perspectives from Qatar

Yasseen, Bassam T; Al‐Thani, Roda

doi:10.37247/paps.1.22.15

Cited by 11 publications

(4 citation statements)

References 64 publications

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“…Recent reports provide list of heavy metals that are normally found in industrial wastewater, crude oil, and gas activities around the Arabian Peninsula in general and in Qatar in particular. These metals include a large number of heavy metals, such as Ag, Al, As, Ba, B, Cd, Co, Cr, Cs, Cu, Fe, Hg, Mn, Ni, Mo, Pb, Sb, Se, U, V, Zn, and possibly others that are present at low concentrations (Osuji and Onojake, 2004;Yasseen, 2014;Yasseen and Al-Thani, 2022). These elements are classified into three main groups: essential elements (Fe, Cu, Mn, Mo, Ni, and Zn); possibly essential elements (Co, B, Se, and V); and non-essential and toxic elements (Ag, Al, As, Ba, Cd, Cr, Cs, Hg, Pb, Sb, and U) (Al-Thani and Yasseen, 2020;2021a).…”

Section: Follow-up Investigations and Assessmentsmentioning

confidence: 99%

“…Recently, Alsafran, Usman, Al Jabri, & Rizwan (2021) found that the levels of As, Cr, and Ni in agricultural soil samples were significantly higher than their normal acceptable levels in soil, and these metals could be hazardous to human health, such as by causing cancer. Recent work showed that halophytes can remediate saline and polluted soils with heavy metals (Yasseen and Al-Thani, 2022). Associated microorganisms also help these halophytes to improve their phytoremediation action.…”

Section: Land Pollutionmentioning

confidence: 99%

“…These elements might accumulate in the soil and plants and cause health problems when consumed by humans and livestock (Al-Thani and Yasseen, 2020;2021a). Yasseen and Al-Thani (2022) recently discussed the phytoremediation of saline soils, which are rich in Na + and Cl -, by halophytic native plants. They listed more than 26 halophytes that proved to be efficient in removing these ions using structures such as salt glands and salt bladders and by adopting a succulent mechanism.…”

Section: Natural Activitiesmentioning

confidence: 99%

“…The last factors are not controllable or are imposed on the ecosystem. Therefore, finding solutions for land pollution in Qatar requires more information and the use of available phytoremediation techniques, modern biotechnology, and biological and genetic approaches (Abulfatih et al, 2001;Yasseen, 2014;Al-Thani and Yasseen, 2020;2021a;Yasseen and Al-Thani, 2022).…”

Section: Solutions To Outstanding Problemsmentioning

confidence: 99%

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Possible Future Risks of Pollution Consequent to the Expansion of Oil and Gas Operations in Qatar

Al-Thani¹,

Yasseen²

2023

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The air, water, and lands of the Arabian Gulf countries are exposed to contamination involving organic and inorganic components resulting from industrial energy sector activities. In Qatar, marine life and air are the primary elements of the ecosystem that pollution has negatively affected since the discovery and exportation of oil and gas. For example, the mean concentration of PM2.5 reached 105 µg/m3 in 2016. This poor air quality has been attributed to several factors: dust storms, vehicle emissions, and industrial emissions. Marine life around the peninsula of Qatar has been threatened by many factors, including discharge of desalinated seawater, oil and gas activities, and the impact of climate change. Studies conducted after multiple major events showed that levels of various types of pollutants were at acceptable levels. Some areas in the Arabian Gulf, such as the coasts of Saudi Arabia and Bahrain, are still considered chronically polluted and need continual monitoring in the long term. This review discusses the pollution status on the Qatari coastlines and the reasons behind the persistence of current levels of pollution in Arabian Gulf water. The role of microorganisms (bacteria, algae, and fungi) in a biological approach for environmental manipulation of pollution problems is discussed. The agricultural lands in Qatar are possible sites of pollution due to the potential expansion of the energy, industry, and construction sectors in the future. Currently, industrial wastewater is pumped deep into the ground, and seawater is intruding into the main-land, which is causing significant contamination of soils used for the cultivation of various crops. Possible measures are reported, and practical solutions to future pollution risks are discussed.

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Section: Follow-up Investigations and Assessmentsmentioning

confidence: 99%

Section: Land Pollutionmentioning

confidence: 99%

Section: Natural Activitiesmentioning

confidence: 99%

Section: Solutions To Outstanding Problemsmentioning

confidence: 99%

See 2 more Smart Citations

Possible Future Risks of Pollution Consequent to the Expansion of Oil and Gas Operations in Qatar

Al-Thani¹,

Yasseen²

2023

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Evaluating the Stand Structure, Carbon Sequestration, Oxygen Release Function, and Carbon Sink Value of Three Artificial Shrubs alongside the Tarim Desert Highway

Li,

Zayiti,

2023

Forests

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Currently, the ecological problems caused by the greenhouse effect are growing more serious, and implementing carbon sequestration methods is an effective way to address them. Arid and semi-arid desert areas have tremendous potential as carbon sinks, and artificial forests in these areas play an important role in absorbing and sequestering carbon dioxide. This study selected three main species of artificial protective trees along the Tarim Desert Highway—Haloxylon ammodendron (C.A.Mey.) Bunge, Calligonum mongolicum Turcz. and Tamarix chinensis Lour.—and evaluated them for their carbon sequestration, oxygen release capacity, and economic benefits using Pn (net photosynthetic rate) and biomass methods. The results showed that the average daily Pn value and carbon sequestration and oxygen release per unit leaf area of T. chinensis were significantly higher than those of H. ammodendron and C. mongolicum (p < 0.05). The total carbon storage of the three shelterbelts was 15.41 × 104 t, and the carbon storage of H. ammodendron was significantly higher than that of C. mongolicum and T. chinensis (p < 0.05). According to the net photosynthetic rate method, the annual carbon sequestration and oxygen release of the shelter forest is 6.13 × 104 t a−1, and the transaction price is CNY 13.73 million a−1. The total amount of carbon sequestration and oxygen release of the shelter forest obtained via the biomass method is 97.61 × 104 t, and the transaction price is CNY 218.77 million. This study conducted research on the carbon sequestration capacity of protective forests along the Tarim Desert Highway located in an extremely arid region. It highlights the significant contribution of these protective forests in terms of carbon storage, playing a crucial role in promoting ecological restoration and sustainable development in arid areas. Additionally, this study provides a scientific basis for estimating carbon storage and promoting the sustainable management of artificial forests in arid desert regions.

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Trichoderma viride: An Eco-Friendly Biocontrol Solution Against Soil-Borne Pathogens in Vegetables Under Different Soil Conditions

Iqbal,

Ashfaq,

Rao

et al. 2024

Horticulturae

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The use of biological methods to control plant diseases has garnered attention due to their eco-friendly and economically viable nature. Trichoderma spp. are the most ubiquitous fungal saprophytes that can often grow as opportunistic symbionts, are eco-friendly, and are not reported to exert any environmental hazard. Soil-borne pathogens can significantly impact the yield of chilli and tomato crops. The study was conducted to explore the impact of various salts (NaCl, MgCl2, CaCl2, and KCl) and their concentrations (1%, 5%, 10%, and 15%) on the mycelial growth and sporulation of Trichoderma viride followed by its mass multiplication on diverse organic substrates like wheat seeds, wheat husks, mungbean seeds, maize seeds, rice seeds, pea seeds, sorghum seeds, banana peel, apple peel, pomegranate peel, citrus peel, tomato waste, chilli waste, spinach waste, cabbage waste, potato peel, onion peel, cucumber peel, carrot peel, used black tea leaves, used green tea leaves, poultry waste, and cow and goat dung. The study assessed the biocontrol potential of Trichoderma viride against important soil-borne pathogens in chilli (Pythium aphanidermatum, Phytophthora capsici, and Fusarium oxysporum) and tomato (Pythium aphanidermatum, Phytophthora infestans, and F. oxysporum) cropping in the pot and field experiments using saline and alkaline soils. Seed treatment with T. viride significantly enhanced the germination rates of both chilli and tomato crops, with sorghum being the most conducive substrate for mass-multiplying T. viride. The results revealed that lower salt concentrations minimally affected T. viride growth, while higher concentrations hampered both growth and sporulation. Optimal disease control and plant height were observed at a 20 mg concentration of T. viride, consequently applied in vivo using various application methods, i.e., seed treatment, root dip, irrigation, and mixed treatments (all the methods like seed treatment, root dip method, and irrigation method applied together) to manage soil-borne pathogens. Particularly, T. viride application through irrigation and mixed treatments demonstrated strong efficacy. These findings underscore the potential of T. viride application in saline and alkaline soils to manage soil-borne pathogens like Pythium, Phytophthora spp., and Fusarium spp. This study lays the foundation for the practical application of biocontrol agents, like T. viride, in Pakistani agricultural conditions. Moreover, there is a need for further exploration into the genetic mechanisms involved in disease inhibition and plant growth promotion, along with understanding the impact of T. viride on the metabolic pathways of host plants.

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Endophytes and Halophytes to Remediate the Industrial Wastewater and Saline Soils: Perspectives from Qatar

Abstract: for providing of some halophyte plants from the Qatari habitats. Thanks are due to Ms. Nada Abbara for drawing Figure1 and organizing the graphic abstract (GA) of this article. We acknowledge that the editing service was provided by American Manuscript Editors,

Cited by 11 publications

References 64 publications

Possible Future Risks of Pollution Consequent to the Expansion of Oil and Gas Operations in Qatar

Possible Future Risks of Pollution Consequent to the Expansion of Oil and Gas Operations in Qatar

Evaluating the Stand Structure, Carbon Sequestration, Oxygen Release Function, and Carbon Sink Value of Three Artificial Shrubs alongside the Tarim Desert Highway

Trichoderma viride: An Eco-Friendly Biocontrol Solution Against Soil-Borne Pathogens in Vegetables Under Different Soil Conditions

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