Groundwater chemical and fecal contamination assessment of the Jerba unconfined aquifer, southeast of Tunisia

Souid, Faiza; Agoubi, Belgaçem; Hamdi, Mohamed; Telahigue, Faten; Kharroubi, Adel

doi:10.1007/s12517-017-2981-5

Cited by 11 publications

(5 citation statements)

References 36 publications

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“…The correlation of Li, Ca, and K content in soil samples was reported also by other studies; K and Li could have a common source as a result of rock-water interaction and water-soil transfer mechanisms [ 24 , 28 ]. Li, Ca, and K were decoupled from the heavy metals (Fe, Mn, Pb, Cd, Ni, Co, and Cr) in the HCA suggesting that the firsts behave quite differently and independent to each other (as illustrated in Figure 3 ).…”

Section: Discussionsupporting

confidence: 67%

Assessment of Lithium, Macro- and Microelements in Water, Soil and Plant Samples from Karst Areas in Romania

et al. 2021

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Lithium is a critical element for the modern society due to its uses in various industrial sectors. Despite its unequal distribution in the environment, Li occurrence in Romania was scarcely studied. In this study a versatile measurement method using ICP-MS technique was optimized for the determination of Li from various matrixes. Water, soil, and plant samples were collected from two important karst areas in the Dobrogea and Banat regions, Romania. The Li content was analyzed together with other macro- and microelement contents to find the relationship between the concentration of elements and their effect on the plants’ Li uptake. In Dobrogea region, half of the studied waters had high Li concentration, ranging between 3.00 and 12.2 μg/L in the case of water and between 0.88 and 11.1 mg/kg DW in the case of plants, while the Li content in the soil samples were slightly comparable (from 9.85 to 11.3 mg/kg DW). In the Banat region, the concentration of Li was lower than in Dobrogea (1.40–1.46 μg/L in water, 6.50–9.12 mg/kg DW in soil, and 0.19–0.45 mg/kg DW in plants). Despite the high Li contents in soil, the Li was mostly unavailable for plants uptake and bioaccumulation.

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Section: Discussionsupporting

confidence: 67%

Assessment of Lithium, Macro- and Microelements in Water, Soil and Plant Samples from Karst Areas in Romania

et al. 2021

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“…According to an early investigation by the U.S. EPA, E. coli has the highest correlation to swimming-associated diseases at freshwater beaches on the east coast of the U.S. [85]. First, it shows a strong association with fecal pollution, as it is found in all feces of warm-blooded animals and a few reptiles at high concentrations [54,86], and remains at detectable levels in waters subject to animal fecal pollution, such as sewage, rivers, lakes, groundwater and coastal areas [87,88]. In addition, E. coli is a facultative anaerobe and is easy to culture, so it can be readily measured using both culture-based and culture-independent methods.…”

Section: Escherichia Colimentioning

confidence: 99%

Biological Indicators for Fecal Pollution Detection and Source Tracking: A Review

Saleem

Edge

et al. 2021

Processes

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Fecal pollution, commonly detected in untreated or less treated sewage, is associated with health risks (e.g., waterborne diseases and antibiotic resistance dissemination), ecological issues (e.g., release of harmful gases in fecal sludge composting, proliferative bacterial/algal growth due to high nutrient loads) and economy losses (e.g., reduced aqua farm harvesting). Therefore, the discharge of untreated domestic sewage to the environment and its agricultural reuse are growing concerns. The goals of fecal pollution detection include fecal waste source tracking and identifying the presence of pathogens, therefore assessing potential health risks. This review summarizes available biological fecal indicators focusing on host specificity, degree of association with fecal pollution, environmental persistence, and quantification methods in fecal pollution assessment. The development of practical tools is a crucial requirement for the implementation of mitigation strategies that may help confine the types of host-specific pathogens and determine the source control point, such as sourcing fecal wastes from point sources and nonpoint sources. Emerging multidisciplinary bacterial enumeration platforms are also discussed, including individual working mechanisms, applications, advantages, and limitations.

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“…Around one-third of the Med-Sea population lives in coastal regions whereas 65% of the population (around 120 million inhabitants) resides in coastal hydrological basins of the southern region of the Med-Sea, where environmental pressure is an increasing trend (EEA, 2015). Over the years, many research activities related to environmental problems in the Mediterranean region have been conducted by many scientists (Griffol et al, 2011;Aouini et al, 2017;Souid et al, 2017;Amamra et al, 2019;Drif et al, 2019). Since the beginning of the industrial revolution and the subsequent increase in industrial development, very large amounts of toxic pollutants have been discharged into coastal environments and estuaries, contaminating marine sediments with metals (Perkins et al, 1973;Farmer, 1991;Liu et al, 2003;Lavradas et al, 2016;Inal et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Marine pollution effects on the reproduction process of Perinereis cultrifera (Annelida, Polychaeta) in Algeria

et al. 2023

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The Mediterranean Sea is one of the busiest areas worldwide in terms of maritime activity and faces considerable anthropogenic disturbances, such as pollution by hydrocarbons and heavy metals. This study evaluated the environmental status of three sites on the Algerian coast using the annelid polychaete Perinereis cultrifera as a biomonitoring sentinel species. It included different reproductive parameters such as oocyte diameter, frequency distributions, sexual maturity index, biochemical quantitative parameters represented by the vitellogenins and vitellins, and a histological study of the coelome during the reproductive period. The results showed that the females collected from El-Kala (healthy site) have the highest diameter 304.1 ± 24.3 μm during April but the values were increased in Annaba 290.0 ± 21.0 μm and Skikda 245.3 ± 26.7 μm. Significant differences were observed between worms from the three study sites during the three months of the study. Moreover, the size-frequency indicated that a relatively high proportion of females containing mature oocytes was found in April in females collected at El-Kala 52.4%, 46.4% in females collected at Annaba and 36.7% in females collected at Skikda. In addition, regarding the sexual maturity index, the highest values were recorded in April (3.8, 2.9, and 1.9) at the El-Kala, Annaba, and Skikda study sites. However, the biochemical analysis demontrated that the highest mean concentration of vitellogenin was in females of El-Kala (5.3 ± 0.3 µg/mg of coelomic fluid) in April, and the lowest mean concentration was measured in females of Skikda (1.5 ± 0.2 µg/mg of coelomic fluid). Therefore, the highest mean concentration of vitellin was measured in females of El-Kala (4.4 ± 0.2 µg/mg of oocytes) in April, while the lowest mean concentration of vitellin was measured in females of Skikda (1.02 ± 0.2 µg/mg of oocytes) in May. Significant differences were observed between worms from the three sites during the three months of the study. Furthermore, histological observations revealed that oogenesis was asynchronous, with oocytes at different stages of vitellogenesis simultaneously present. The structure of the oocytes of females collected at El-Kala showed intense vitellogenic activity due to the presence of very dense yolk cells. In contrast, the oocytes of the females collected from the two polluted sites (Annaba and Skikda) were small, vitellogenesis presented low intensity, and yolk cells were less frequent at the periphery and less uniform at the cytoplasmic mass; the nucleus was smaller, indicating a slower vitellogenic activity. These observations confirm the previously obtained results.

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Groundwater chemical and fecal contamination assessment of the Jerba unconfined aquifer, southeast of Tunisia

Cited by 11 publications

References 36 publications

Assessment of Lithium, Macro- and Microelements in Water, Soil and Plant Samples from Karst Areas in Romania

Assessment of Lithium, Macro- and Microelements in Water, Soil and Plant Samples from Karst Areas in Romania

Biological Indicators for Fecal Pollution Detection and Source Tracking: A Review

Marine pollution effects on the reproduction process of Perinereis cultrifera (Annelida, Polychaeta) in Algeria

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