scholarly journals Water striders (Heteroptera, Gerridae) as bioindicators of heavy metal pollution

1997 ◽  
Vol 8 (4) ◽  
pp. 185-191 ◽  
Author(s):  
Martin Lodenius ◽  
Matti Nummelin ◽  
Esa Tulisalo
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Pollution ◽  
Metal Content ◽  
Dry Weight ◽  
Determination Limit ◽  
Water Strider ◽  
Steel Factory ◽  
Water Striders ◽  
Metal Contents

Heavy metal contents of water striders collected near a steel factory and from control sites were analyzed by AAS. The average concentrations µg/g of dry weight found near the factory vs. the control areas were: Al 76, 65; Fe 840, 330; Mn 49, 37; Zn 310, 280; Cu 44, 42; Cd 1.6, 6.5, respectively. In most cases Ni and Pb concentrations were below the determination limit in both sites. There were significant differences between sites in the concentrations of iron and cadmium. Fifth instar larvae had higher iron content than adults, but sexes did not differ in heavy metal content. There were also significant differences between different water strider species as accumulators of zinc, aluminium and cadmium. It is concluded that water striders seem suitable as bioindicators of heavy metals.

Assessing Soil and Plant Pollution by Abandoned Rural Waste Dumping Sites in Ningbo, China

2011 ◽  
Vol 138-139 ◽  
pp. 1149-1155 ◽  
Author(s):  
Yi Dong Guan ◽  
Ye Hong Du ◽  
Zhen Dong Li ◽  
An Cheng Luo
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Reference Value ◽  
Dry Weight ◽  
Rice Grain ◽  
Contamination Assessment ◽  
Plant Parts ◽  
Metal Contents ◽  
Plant Pollution

This paper reports the concentration of heavy metals (Cr, Cu, Zn, Cd and Pb) in the soils and rices surrounding the abandoned rural waste dumping sites in Ningbo. Igeo (geoaccumulation index) was calculated to assess the contamination degree of heavy metals in soils. The mean contents of Cr, Cu, Cd, Zn and Pb of soils were 33.3, 24.1, 1.5, 118.9 and 45.6 mg/(kg DW) (dry weight), respectively. All of them were much higher than that of the reference value (i.e. CK), but there were no coherent trend of the metal contents within 1-120m distance from the dumping site. Igeo of heavy metals reveals the order of Cd>Cu>Cr>Pb>Zn, and the contamination assessment of soils using Igeo indicate the moderate Cd pollution, while the soils were unpolluted-moderately overall by Cr, Cu, Zn as well as Pb. The heavy metal contents in root, stem & leaf and rice grains were all remarkable higher than that of the CK at 20-120 m distances, and the heavy metal contents in root were evidently much higher than other plant parts, while those in rice grain were lowest, indicating the great bioaccumulation trend of heavy metals. Although the metal contents in the rice grain were within the legislation limit, its bioaccumulation trend of heavy metals was remarkable, whose contents were 4.38-fold for Cr, 1.76-fold for Cu, 1.28-fold for Zn, 2.67-fold for Cd and 3.03-fold for Pb higher than that of reference value, respectively. Finally, we proposed a decentralized in-situ restoration approach for the dumping sites.

scholarly journals Erkenez Çayı’nda (Kahramanmaraş) Süt Ürünleri, Boya ve Tekstil Fabrikası Atık Sularından Kaynaklanan Ağır Metal Kirliliğinin Belirlenmesi

2019 ◽  
Vol 7 (11) ◽  
pp. 1858
Author(s):  
Özgür Canpolat ◽  
Ece Vanlı
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Pollution ◽  
Heavy Metal Pollution ◽  
Quality Criteria ◽  
Water Quality Criteria ◽  
Milk Products ◽  
Metal Contents ◽  
Considerable Impact ◽  
Textile Factory

Industries, as a source of pollution, have a considerable impact on aquatic ecosystems due to the diversity in the composition of their wastewater. In this study, it is aimed to determine the heavy metal pollution caused by the wastewater of milk products factory, paint factory and textile factory in the Organized Industrial Zone of Kahramanmaraş province. For this purpose, seasonal concentrations of some heavy metals (Fe, Cu, Zn, Cr, Ni, Cd, As and Hg) have been determined in wastewaters of milk products factory, paint factory and textile factory and in the region where these wastewaters discharge in the Erkenez Stream. The seasonal variation of heavy metals in all stations, generally the lowest concentrations of all elements were determined in winter and the highest concentrations were determined in summer. When the heavy metal contents of milk products factory, paint factory and textile factory wastewaters were compared, the highest values were found in textile factory wastewater. When all stations are taken into consideration, according to USEPA and water quality criteria, it is determined that the wastewaters of milk products factory, paint factory and textile factory and the area of the Erkenez Stream, where these wastewaters are discharged, were very dirty in term of heavy metals. When these results are taken into consideration, it is clear that the wastewater of these factories causes serious heavy metal pollution in the Erkenez Stream.

scholarly journals Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

2016 ◽  
Vol 23 (2) ◽  
pp. 271-283 ◽  
Author(s):  
Thomas Spanos ◽  
Antoaneta Ene ◽  
Chrysoula Styliani Patronidou ◽  
Christina Xatzixristou
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Wastewater Treatment ◽  
Sewage Sludge ◽  
Temporal Variability ◽  
Metal Content ◽  
Wastewater Treatment Plants ◽  
Chromium Species ◽  
Metal Concentrations ◽  
Metal Contents

AbstractThe aim of this study was to evaluate the temporal variations of selected heavy metals level in anaerobic fermented and dewatered sewage sludge. Sewage sludge samples were collected in different seasons and years from three municipal wastewater treatment plants (WWTPs) located in Northern Greece, in Kavala (Kavala and Palio localities) and Drama (Drama locality) Prefectures. An investigation of the potential of sludge utilization in agriculture was performed, based on the comparison of average total heavy metal concentrations and of chromium species (hexavalent, trivalent) concentrations with the allowed values according to the Council Directive 86/278/EEC and Greek national legislation (Joint Cabinet Decision 80568/4225/91) guidelines. In this regard, all the investigated heavy metals (Cd, Cr, Cu, Ni, Pb, Zn, Hg) and chromium species Cr(VI) and Cr(III) have average concentrations (dry matter weight) well below the legislated thresholds for soil application, as following: 2.12 mg kg−1Cd; 103.7 mg kg−1Cr; 136.4 mg kg−1Cu; < 0.2 mg kg−1Hg; 29.1 mg kg−1Ni; 62.0 mg kg−1Pb; 1253.2 mg kg−1Zn; 1.56 mg kg−1Cr(VI) and 115.7 mg kg−1Cr(III). Values of relative standard deviation (RSD) indicate a low or moderate temporal variability for domestic-related metals Zn (10.3-14.7%), Pb (27.9-44.5%) and Cu (33.5-34.2%), and high variability for the metals of mixed origin or predominantly resulted from commercial activities, such as Ni (42.4-50.7%), Cd (44.3-85.5%) and Cr (58.2-102.0%). For some elements the seasonal occurrence pattern is the same for Kavala and Palio sludge, as following: a) Cd and Cr: spring>summer>winter; b) Cu, Ni and Pb: winter>spring>summer. On average, in summer months (dry season) metal concentrations are lower than in spring and winter (wet seasons), with the exception of Zn. For Kavala and Palio the results demonstrate that the increased number of inhabitants (almost doubled) in summer time due to tourism does not influence the metal levels in sludge. Comparing the results obtained for similar spring-summer-winter sequences in 2007 and 2010/11 and for the spring season in 2007, 2008 and 2010, it can be noticed that, in general, the average heavy metal contents show an increasing tendency towards the last year. In all the measurement periods, the Palio sludge had the highest metal contents and Kavala sludge the lowest, leading to the conclusion that the WWTP operating process rather than population has a significant effect upon the heavy metal content of sludge. Cr(VI)/Cr(total) concentration ratios are higher for Kavala sludge in the majority of sampling campaigns, followed by Drama and Palio sludge. The metals which present moderate to strong positive correlation have common origin, which could be a domestic-commercial mixed source.

Element Content (Cu, Fe, Mn, Ni, Pb, and Zn) of the Ruderal Plant Verbascum olympicum Boiss. from East Mediterranean

2006 ◽  
Vol 61 (5-6) ◽  
pp. 357-362 ◽  
Author(s):  
Gürcan Güleryüz ◽  
Hülya Arslan ◽  
Belgin İzgi ◽  
Şeref Güçer
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Atomic Absorption ◽  
Metal Content ◽  
Element Content ◽  
East Mediterranean ◽  
Metal Contents ◽  
Accumulation Capacity ◽  
Highly Correlated ◽  
Ruderal Plant

In this study, heavy metal content (Cu, Fe, Mn, Ni, Pb, Zn) was determined in soils and different organs of Verbascum olympicum Boiss. This species is endemic to Uludağ and spreads on destroyed areas such as: roadsides, developed building areas, ski lift stations and sheep folds. Soils and different organs (roots, stems, leaves and flowers) of plant samples were analyzed using an atomic absorption spectrophotometer for determining the element content. Heavy metal contents in soils and different organs in this species were highly correlated (P < 0.05). However, the contribution of plant organs to the accumulation capacity varied according to the metal. These results suggest that this species may be useful as a bioindicator for heavy metals.

scholarly journals Analysis of Heavy Metals Concentration in Soil and Litchens from Various Localities of Hosur Road, Bangalore, India

2009 ◽  
Vol 6 (1) ◽  
pp. 13-22 ◽  
Author(s):  
Abida Begum ◽  
M. Ramaiah ◽  
Harikrishna ◽  
Irfanulla Khan ◽  
K. Veena
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Content ◽  
Metal Accumulation ◽  
Geoaccumulation Index ◽  
Dry Weight ◽  
Heavy Metal Accumulation ◽  
Soil Samples ◽  
Residential Areas ◽  
Industrial Areas

Assessment of heavy metal content in litchens and soil samples from various localities of Hosur Road, Bangalore south was undertaken. Topsoil samples (0-10 cm) were taken at various locations, the metals analysed were Cr, Pb, Fe, Zn, Ni and Cu. The geoaccumulation index of these metals in the soils under study residential areas indicated that they are uncontaminated with Ni, Zn, and Fe and moderately contaminated with Cr and Pb. In Industrial areas and traffic junctions the concentration of Fe, Pb and Ni was maximum. Heavy metal accumulation in few prominent lichens of some localities was analysed. Cr and Pb were maximum inChrysothrix candelaris(L.) Laundon, at the gardens of Madiwala and Silk Board junction with 95.29 and 623.95 µg g–1dry weight respectively. Fe and Cu were maximum inBulbothrix isidiza(Nyl.). Hale andPyxine petricolaNyl at Central Prison campus and Kendriya Sadan campus with 22721 and 338.12 µg g–1dry weight respectively,Lecanora perplexaBrodo at Infosis and Wipro Campus, electronic city have 531.5 and 634 µg g–1dry weight of Zn. While Ni and Fe were maximum in Arthopyreniaceae at Shanti Niketan of MICO Limited with 1100 and 23200 µg g–1dry weight respectively.

scholarly journals Heavy metal contents of Hg, Cd, Pb, and Cu in splendid ponyfish Eubleekeria splendens (Cuvier, 1829) meat in Banten Bay, Indonesia

2021 ◽  
Vol 322 ◽  
pp. 01022
Author(s):  
Lisbet Sagala ◽  
Sulistiono ◽  
Djamar T.F.L. Batu
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Atomic Absorption ◽  
Metal Content ◽  
Accumulation Rate ◽  
Aquatic Organisms ◽  
The Body ◽  
Heavy Metal Content ◽  
Metal Contents ◽  
Observation Period

Banten Bay is an area affected by industrial, shipping, and domestic activities. These have the potential to produce wastes in the form of heavy metals and can accumulate in the body of aquatic organisms such as the splendid ponyfish Eubleekeria splendens (Cuvier, 1829). This study aimed to determine the accumulation of heavy metals Hg, Cd, Pb, and Cu in splendid ponyfish Eubleekeria splendens (Cuvier, 1829) meat in Banten Bay, Serang Regency, Banten Province. Sampling was carried out for three months, from August to October 2020. Analysis of heavy metal content was carried out using AAS (Atomic Absorption Spectrophotometer). The content of heavy metals Hg, Cd, Pb, and Cu in splendid ponyfish meat were <0.030 mg/kg, <0.001 mg/kg, <0.005 mg/kg, and 0.224-0.437 mg/kg. Bioaccumulation of heavy metals Hg, Cd, Pb, and Cu in small and big splendid ponyfish meat has a low accumulation rate. During the observation period, the heavy metal content of Hg, Cd, Pb, and Cu in small and big splendid ponyfish meat was not significantly different.

Analysis of the Change of Heavy Metal Contents in Farmland in Mengcheng

2012 ◽  
Vol 178-181 ◽  
pp. 773-776
Author(s):  
Guo Wei Xu ◽  
Xue Wu ◽  
Su Ling Huang ◽  
Xin Tian Yuan ◽  
Yang Gao ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Content ◽  
Heavy Metal Content ◽  
National Standard ◽  
Soil Heavy Metal ◽  
Metal Contents ◽  
Survey Results ◽  
Changing Rate

In order to find out the variations of soil heavy metal contents in Mengcheng, the heavy metal of the soil was tested in the same way in 2010, based on the survey results of 2001. The results showed that the contents of the 8 kinds of heavy metal in Mengcheng County were lower than those of the national standard, but the heavy metal content of Mengcheng County in 2010 were significantly higher than those in 2001, especially Pb, and the content of Hg, Ni, As also increased greatly; The increased of changing rate of various heavy metals contents are in the following descending order: Pb> Hg> Ni> As> Cu> Cd> Cr> Zn. The uneven dispersion of various heavy metals element in different sections of Mengcheng County also increased.

scholarly journals Pengaruh Aktivitas Antropogenik Terhadap Kualitas Air, Sedimen dan Moluska di Danau Maninjau, Sumatera Barat.

2016 ◽  
Vol 16 (1) ◽  
Author(s):  
Muhamad Suhaemi Syawal, Yusli Wardiatno Dan Sigid Hariyadi
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Heavy Metal ◽  
Lake Water ◽  
Water Body ◽  
Metal Pollution ◽  
Metal Content ◽  
River Estuary ◽  
Anthropogenic Pollution ◽  
Average Concentration

ABSTRAKTelah dilakukan penelitian dengan tujuan untuk mengkaji pengaruh pencemaran dari lingkungan antropogenik terhadap kondisi kualitas air, sedimen dan moluska di perairan Danau Maninjau. Danau Maninjau adalah salah satu danau yang terletak di Kabupaten Agam Sumatera Barat. Tipe danau ini adalah danau tekno vulkanik yang terbentuk oleh aktivitas vulkanik. Isu pencemaran air danau merupakan isu utama dalam pemanfaatan dan pengembangan kawasan danau, di daerah manapun. Kegiatan penduduk di sekitar danau yang cenderung bersifat produktif  pada umumnya otomatis menghasilkan limbah buangan hasil proses produksi. Penelitian ini dilakukan selama 3 (tiga) kali dari bulan Maret-September 2015 di 7 (tujuh) titik lokasi muara sungai di sekitar D. Maninjau yang berpotensi masuknya bahan pencemar. Hasil yang diperoleh menunjukkan konsentrasi rata-rata TP pada air berkisar 0,0245-0,2117 mg L-1; TN 0,5085-1,2292 mg L-1; O-PO4 0,0206-0,2241 mg L-1 dan NO3 0,0841-1,0618 mg L-1. Kandungan logam rata-rata pada sedimen Fe 1,1733-3,5733 mg kg-1; Pb 0,0037-11,230 mg kg-1; Cd 0,0050-0,0193 mg kg-1; Hg 0,00056-0,05914 mg kg-1; dan Cr tidak terdeteksi atau dibawah 0,004 mg kg-1. Sementara untuk rata-rata logam berat pada moluska Fe 0,04-0,948 mg kg-1; Pb 0,002-4,17 mg kg-1; Cd 0,013-1,032 mg kg-1; Cr 0,040-0,098 mg kg-1; dan Hg 0,0004-0,1062 mg kg-1. Dari hasil analisis data yang diperoleh menunjukkan ada dugaan telah terjadi pencemaran logam berat pada sedimen dan  moluska di muara-muara sungai yang masuk langsung ke badan perairan Danau Maninjau. Kata kunci :antropogenik, danau maninjau,kualitas air, moluska, sedimen, ABSTRACTHas conducted research with the aim to study the effect of anthropogenic pollution of the environment on the condition of water quality, sediment and molluscs in the waters of Lake Maninjau. Maninjau is one lake located in Agam regency of West Sumatra.Type this lake is techno volcaniclake formed by volcanic activity.The issue of pollution of the lake water is a major issue in the utilization and development of the area of the lake, in any area. Activity of the population around the lake tends to be productive in general automatically generates waste from the production process results. This study was conducted over three (3) times from March-September 2015 in seven (7) locations of river estuaries around D. Maninjau potential influx of contaminants.The results showed the average concentration of TP in water ranging from 0.0245 to 0.2117 mg L-1; TN 0.5085 to 1.2292 mg L-1; O-PO4 from 0.0206 to 0.2241 mg L-1 and NO3 0.0841 to 1.0618 mg L-1. The average metal content in the sediment Fe 1.1733 to 3.5733 mg kg-1; Pb 0.0037 to 11.230 mg kg-1; Cd 0.0050 to 0.0193 mg kg-1; 0.00056 to 0.05914 mg Hg kg-1; and Cr undetectable or below 0.004 mg kg-1. As for the average heavy metals in mollusks Fe 0.04 to 0.948 mg kg-1; Pb 0.002 to 4.17 mg kg-1; Cd 0.013 to 1.032 mg kg-1; Cr 0.040 to 0.098 mg kg-1; and Hg from 0.0004 to 0.1062 mg kg-1. From the analysis of the data obtained showed no allegation has been going on heavy metal pollution in the sediment and molluscs in a river estuary that goes directly into the water body of Lake Maninjau. The purpose of this study was to examine the influence of anthropogenic pollution of the environment on the condition of water quality, sediment and molluscs in the waters of Lake ManinjauKeywords: anthropogenic, Lake Maninjau, molluscs, sediment, water quality

scholarly journals Determination of Molybdenum Contents and Relation of Some Heavy Metals in the Soil of Meadow-Pasture Terraces Between Kırıkhan-Reyhanlı

2019 ◽  
Vol 7 (1) ◽  
pp. 13 ◽  
Author(s):  
Mehmet Yalçın ◽  
Kerim Mesut Çimrin
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Pollution ◽  
Soil Samples ◽  
Molybdenum Content ◽  
Limit Values ◽  
Significant Relationships ◽  
Metal Contents ◽  
Different Depths

This study was aimed to determine the molybdenum content of meadow - pasture soil between Kırıkhan and Reyhanlı in Hatay province and to determine the relations of the molybdenum content with some heavy metals in the soil. For this purpose, two different depths (0-20 and 20-40 cm) representing grassland pasture lands and 80 soil samples from 40 different points were taken. Cadmium (Cd), Cobalt (Co), Nickel (Ni), Lead (Pb), Copper (Cu), Iron (Fe), and Molybdenum (Mo) contents were determined in the soil samples. The contents of the available Cd, Co, Pb, Cu, Fe, Ni and Mo of the soil were determined by reading the 0.005 M DTPA + 0.01 M CaCl2 + 0.1 M TEA extracts in the ICP instrument. The results of the research shows that the Cd contents of the soils are between 0.01-0.32 ppm; Co contents are from 0.01 to 4.97 ppm; Ni contents 0.00 to 20.00 ppm; Pb contents 3.00-67.00 ppm; Cu contents 0.26-7.48 ppm; The Fe contents are between 4.00 and 61.00 and the Mo contents are between 0.001 and 0.064 ppm. It was determined that there are significant positive relationships between Co, Ni, Pb, Cu and Fe contents of Mo in the soil. It was also determined that there are significant positive significant relationships between Cd and Co; Co with Ni, Pb, Fe and Pb and Cu, Fe and Cu and Fe. No heavy metal pollution was found when the heavy metal contents of the regional soils were compared with the limit values.

scholarly journals Heavy metal content and microbiological quality of Yaji (complex spice mixture) sold within Kano metropolis

2020 ◽  
Vol 12 (1) ◽  
pp. 93-98
Author(s):  
L. Abdulsalam ◽  
R.A. Usman
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Health Hazard ◽  
Microbiological Quality ◽  
Dry Weight ◽  
The Body ◽  
Klebsiella Species ◽  
Metal Contents ◽  
Hygienic Measures

In recent years, food biosafety has been a priority, as such a study was carried out on the microbiological and heavy metal contents of yaji; a complex spice mixture sold within Kano metropolis. A total of nine yaji samples were purchased randomly in several retail stores within Kano metropolis and compared with 3 samples prepared in the laboratory. The result of the analysis showed that the total aerobic mesophilic count, fungal count and coliform count ranged from 3.35×106 - >3.00×107cfu/g, <1.00×103 – 9.60×106cfu/g, and 3.6 - >1100MPN/g respectively. Staphylococcus aureus, Escherichia coli, Salmonella, Enterobacter and Klebsiella species were the bacteria isolated while  Fusarium, Rhizopus and Aspergillus species were the fungi isolated from the samples. The counts obtained were higher than the maximum acceptable levels provided by the ISO and FAO. The ranges of the concentration of heavy metals in dry weight were; lead 0.001 – 0.003, nickel 0.001 - 0.005, copper 0.002 - 0.020, zinc 0.105 – 0.223, iron 0.004 – 0.009 g/Kg. The levels of metals found in the samples were within the standard limits approved by WHO. This study showed that the samples were not contaminated with the studied heavy metals but were found to harbor microorganisms, which can pose serious health hazard to consumers. It is therefore recommended that strict hygienic measures should be taken during yaji preparation since the laboratory prepared yaji were less contaminated. Public enlightenment on the dangers of heavy metals consumption should be provided as continuous/routine consumption may result to the bioaccumulation of harmful metals in the body. Key words: Microbiological, heavy metal, spice, yaji, Kano.

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