Phytotoxicity and Enzymatic Activity in Soils of Kalmykia Under  the Influence of Oil Pollution

Buluktaev, Aleksey

doi:10.18470/1992-1098-2017-4-147-156

Cited by 5 publications

(3 citation statements)

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“…The more toxic substances are in the atmosphere, the more they accumulate in the soil and plants (Kireeva et al, 1996;Nazarov et al, 2000;Sangadzhieva et al, 2013;Nasibova et al, 2013). Currently, there are many works devoted to the study of the phytotoxic properties of oil-contaminated soils (Ekundayo et al, 2001;Khalilov et al, 2018;Koronelli, 1996;Buluktaev, 2017). However, there are not many studies on the effect of oil-contaminated soils on the growth and development of plants in these areas.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Impact of Oil and Oil Products on the Environment and Living Organisms

Aliyeva

2024

ABES

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Phytotoxic properties of Absheron soils were studied when they were contaminated with oil and oil products. For this purpose, samples were taken from gray-brown semi-desert soil from Binagadi settlement of Absheron region and light chestnut soil from Saray settlement. Studies conducted with these soil types have shown that arid areas are not resistant to pollution by oil and oil products in terms of phytotoxicity. It was found that the soils of the Absheron peninsula contaminated with oil and oil products have a negative effect on the growth and development of test plants.

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Section: Introductionmentioning

confidence: 99%

Assessment of the Impact of Oil and Oil Products on the Environment and Living Organisms

Aliyeva

2024

ABES

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“…Every year, millions of hectares of soil in the world, including agricultural land, are contaminated with oil and petroleum products, which leads to the deterioration of the biological condition of soils, a decrease in their fertility, and, therefore, the violation of agricultural and ecological functions [1][2][3][4][5][6][7]. Currently, various methods of bioremediation have been developed to eliminate soil contamination with oil and petroleum products.…”

Section: Introductionmentioning

confidence: 99%

“…The aim and objective of this study was to assess the biological state of oil-contaminated soils in the South of Russia after bioremediation. To achieve this aim, the following tasks are solved: (1) to evaluate the effect of ameliorants on the oil content in each type of soil; (2) to analyze the change in physico-chemical parameters in each type of soil; (3) to enhance the change in enzymatic activity in each type of soil; and (4) to compare the remediation efficiency of each ameliorant for each soil type.…”

Section: Introductionmentioning

confidence: 99%

Enzymatic Assessment of the State of Oil-Contaminated Soils in the South of Russia after Bioremediation

Minnikova

Колесников

Revina

et al. 2023

Toxics

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Soil pollution with oil as a result of accidents at oil pipelines and oil refineries is a frequent occurrence in the south of Russia. To restore such polluted lands, it is necessary to carry out soil remediation measures. This work aimed to evaluate the use of ameliorants of various natures (biochar, sodium humate, and microbial preparation Baikal EM-1) to restore the ecological state of oil-contaminated soils with different properties (Haplic Chernozem, Haplic Arenosols, Haplic Cambisols). To assess the ecological state of soils, the following physicochemical and biological indicators were studied: residual oil content, redox potential, and medium reaction (pH). Changes in enzymatic activity were also studied, including catalase, dehydrogenases, invertase, urease, and phosphatase. The greatest decomposition of oil in Haplic Chernozem and Haplic Cambisols was provided by Baikal EM-1 (56 and 26%), and in Haplic Arenosols, this was provided by biochar (94%) and sodium humate (93%). In oil-contaminated Haplic Cambisols, the content of easily soluble salts with the addition of biochar and Baikal EM-1 increased by 83 and 58%, respectively. The introduction of biochar caused an increase in pH from 5.3 (Haplic Cambisols) to 8.2 (Haplic Arenosols). The introduction of oil-contaminated Haplic Arenosols of biochar, humate, and Baikal stimulated the activity of catalase and dehydrogenases by 52–245%. The activity of invertase was stimulated in the Haplic Chernozem after the introduction of ameliorants by 15–50%. The activity of urease was stimulated after the introduction of ameliorants into borax and Arenosol by 15–250%. The most effective ameliorant for restoring the ecological state of Haplic Cambisols after oil pollution was biochar. For Haplic Arenosols, this was sodium humate, and for Haplic Chernozem, the effectiveness of biochar and sodium humate did not differ. The most informative indicator for the remediation of Haplic Chernozem and Haplic Cambisols was the activity of dehydrogenases, and for Haplic Arenosols, this was the activity of phosphatase. The results of the study should be used to biomonitor the ecological state of oil-contaminated soils after bioremediation.

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Changes in Salt Composition of Oil Contaminated Black Soils

Булуктаев

2018

Ûg Ross.: èkol. razvit.

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Aim. The Republic of Kalmykia is rich in fossils minerals, the main of which are oil, gas, condensate, etc. The republic includes three main morphostructures: the Caspian lowland, the Ergeninskaya Upland and the Kuma-Manych depression. The Caspian lowland, in turn, is divided into the Sarpinskaya lowland and the Black Lands. Practically all hydrocarbon production fields are concentrated in the territory of the Black Lands. In this regard, the most acute for this area are issues of environmental management and problems associated with the seepage of petroleum products into the environment. In the present work, was investigated the problem of soil contamination within the Nadezhdinsky, North-Kamyshansky, Tengutinsky, Bairskoye and Sostinsky oil deposits. Methods. The soil composition of the deposits is due to the complexity and is characterized by a light granulometric composition and, in most cases, salinity. The soils were analyzed for the content of Са2+, Mg2+and Na+cations, НСО3-, CI-and SO42anions as well as their pH values. Results. Contamination of soils with oil and petroleum products leads to deterioration of its physical and chemical properties, salinity increase, soil alkalinization; soils saturated with oil products, lose the ability to retain moisture, they are characterized by lower values of hygroscopic moisture, water permeability and moisture capacity. Conclusions. The study revealed that the oil pollution of the Black Lands leads to a change in the quality of salinity; the content of sodium and chlorine ions increases in the oil-contaminated soils.

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Phytotoxicity and Enzymatic Activity in Soils of Kalmykia Under the Influence of Oil Pollution

Cited by 5 publications

References 1 publication

Assessment of the Impact of Oil and Oil Products on the Environment and Living Organisms

Assessment of the Impact of Oil and Oil Products on the Environment and Living Organisms

Enzymatic Assessment of the State of Oil-Contaminated Soils in the South of Russia after Bioremediation

Changes in Salt Composition of Oil Contaminated Black Soils

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