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All Journal Journal of Degraded and Mining Lands Management
Nikiforova, Aleksandra
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Assessment of soil pollution in coastal landscapes of the Republic of Djibouti and ecological risks Nikiforova, Aleksandra; Pham, Cam Nhung; Chernyi, Georgii; Tabunshchik, Vladimir; Daher, Abdourahman; Cheik, Sougueh; Gorbunov , Roman; Gorbunova, Tatiana; Repetskaya, Anna
Journal of Degraded and Mining Lands Management Vol. 12 No. 1 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.121.6579

Abstract

Tropical ecosystems play an important role in the environment. Coastal areas are subjected to a wide range of impacts and pollution, which have drawn worldwide attention over the past few decades. Comprehensive studies of heavy metal content in soils worldwide are extremely important for assessing and predicting ecological risks. Very few studies have been devoted to a complete study of the physicochemical characteristics of soils, assessment of heavy metal accumulation in coastal zones along the Djibouti coast, and potential ecological risks. The study investigated the physico-chemical characteristics of soil, assessed the accumulation of heavy metals in coastal zones along the Djibouti coast, and analyzed the potential environmental risks associated with the presence of heavy metals in the studied soils. Analysis of heavy metals and trace elements in the soils of the coastal areas of Djibouti revealed that the levels of these elements are lower than in soils of the Red Sea coast and are in line with WHO and other international standards. All heavy metals in the soil of the studied area demonstrate low levels of potential ecological risk. The soils of the studied areas, overall, have not undergone significant heavy metal pollution and can be considered suitable for various types of use.
Assessing the impact of anthropogenic and natural factors on soil-related ecosystem services: a case study of the coastal landscape of Djibouti Nikiforova, Aleksandra; Tabunshchik, Vladimir; Pham, Cam Nhung; Chernyi, Georgii; Lineva, Nastasia; Gorbunov , Roman; Gorbunova, Tatiana; Repetskaya, Anna
Journal of Degraded and Mining Lands Management Vol. 12 No. 4 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.124.8335

Abstract

Coastal regions are highly sought after for human habitation, exhibiting a population density that is threefold greater than the global mean. These zones are pivotal for environmental resources, human prosperity, and economic activities, providing a suite of services. The concept of ecosystem services has garnered international focus for its contribution to sustainable development. These services represent the myriad benefits that ecosystems confer, meeting socio-economic demands and enhancing human welfare. This analysis endeavors to appraise the value of ecosystem services in coastal areas, with a particular emphasis on the physicochemical properties of soils along Djibouti's coastline. It incorporates an assessment of local characteristics, climatic conditions, and the anthropogenic influence on the environment. Despite facing considerable threats to its biodiversity, Djibouti's coastline offers a plethora of vital ecosystem services to its inhabitants. Among the regulatory services rendered by these locales are air quality management, erosion mitigation, soil and sediment retention, climate and microclimate stabilization, carbon storage and sequestration, nutrient recycling, and facilitation of pollination.
Assessment of the current ecological state and soil fertility level in the territory of the Tavrida Art Cluster (Kapsel Bay Catchment Basin) Repetskaya, Anna; Rudyk, Aleksandr; Nikiforova, Aleksandra; Tabunshchik, Vladimir; Pham, Cam Nhung
Journal of Degraded and Mining Lands Management Vol. 13 No. 4 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.134.11263

Abstract

This study presents a comprehensive assessment of the agrochemical, physicochemical, and ecological properties of soils within the Tavrida Art Cluster (Kapsel Bay catchment, Southeastern Crimea). The research was based on field descriptions of soil profiles and laboratory analyses of 19 samples collected from several depth intervals in November 2024. Key fertility indicators were determined, including pH in water suspension, organic matter content, nitrate nitrogen, available phosphorus and potassium, particle?size distribution, and salinity level. The soils were found to be characterised by alkaline pH (7.5-8.4), extremely low nitrate nitrogen (below the detection limit in 89.5% of samples), acute available phosphorus deficiency (63.2% of samples ?1.5?mg/100?g), and low organic matter content (75% of samples <3.0%). The heavy texture, with a physical clay fraction of 45-75%, exacerbates these adverse properties. An original integrated fertility index (IFI) was developed for a comprehensive evaluation; its mean value was 1.58 out of 5.0, indicating extremely low agricultural potential. The observed properties are shown to represent the natural geochemical background formed on carbonate parent materials under an arid climate, rather than being a consequence of anthropogenic degradation. A strategy for adaptive landscaping is proposed, based on targeted soil amelioration, selection of native xerophytes, and preservation of the territory’s natural ecological framework.
Co-Authors Cheik, Sougueh Chernyi, Georgii Daher, Abdourahman Gorbunov , Roman Gorbunova, Tatiana Lineva, Nastasia Pham, Cam Nhung Repetskaya, Anna Rudyk, Aleksandr Tabunshchik, Vladimir