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Journal articles on the topic 'Heavy metal indicator species; Heavy metal spoil'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Prica, Milijana, Gordana Andrejic, Jasmina Sinzar-Sekulic, Tamara Rakic, and Zeljko Dzeletovic. "Bioaccumulation of heavy metals in common reed (Phragmites australis) growing spontaneously on highly contaminated mine tailing ponds in Serbia and potential use of this species in phytoremediation." Botanica Serbica 43, no. 1 (2019): 85–95. http://dx.doi.org/10.2298/botserb1901085p.

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Heavy metal contamination of aquatic ecosystems directly threatens the health, production and biodiversity of aquatic and surrounding terrestrial ecosystems, and it represents a serious global problem. Metal extraction during ore processing produces large amounts of wastes that remain in tailings at the mining site. Fine waste particles represent a long-term source of potentially toxic metals that can be released into the ground and surface water as a result of their progressive chemical weathering. Aquatic macrophythes have a major role in absorption and accumulation of heavy metals and there

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Tarawneh, Amer H. "Assessment of Lichens as Biomonitors of Heavy Metal Pollution in Selected Mining Area, Slovakia." Pakistan Journal of Analytical & Environmental Chemistry 22, no. 1 (2021): 53–59. http://dx.doi.org/10.21743/pjaec/2021.06.07.

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Lichens have widely been used as bioindicators to reflect the quality of the environment. The present study was conducted to investigate the lichens diversity that grows on the surface of waste heaps from an abandoned old copper mine in Mlynky, Slovakia. In spite of the heavy metalcontaminated environment, we documented twenty species of lichens in the selected site. Taxonomically the most numerous group were represented by Cladonia with seven species, as well other species; namely, Acarospora fuscata, Cetraria islandica, Dermatocarpon miniatum, Hypogymnia physodes, Hypogymnia tubulosa, Lecano

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Hogstrand, Christer, and Carl Haux. "Metallothionein as an indicator of heavy-metal exposure in two subtropical fish species." Journal of Experimental Marine Biology and Ecology 138, no. 1-2 (1990): 69–84. http://dx.doi.org/10.1016/0022-0981(90)90177-e.

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Vásquez, Cristina, James Calva, Ramiro Morocho, David A. Donoso, and Ángel Benítez. "Bryophyte Communities along a Tropical Urban River Respond to Heavy Metal and Arsenic Pollution." Water 11, no. 4 (2019): 813. http://dx.doi.org/10.3390/w11040813.

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Aquatic and rheophilous bryophytes can indicate water pollution as they bioaccumulate toxic water elements. We evaluated (1) bioaccumulation of eight heavy metals and arsenic by Marchantia polymorpha L., and (2) changes in bryophyte community structure, as responses to urban pollution in southern Ecuador. To this end, we registered presence/absence and coverage of submerged bryophytes in 120 quadrats across three zones of the Zamora river inside Loja city, and a control zone in a nearby forest. We found that the concentrations of five (Al, Cd, Cu, Fe, and Zn) of the eight chemical elements and

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Wu, Yao Qing, Li Li, Yan Wang, Hong Xun Chi, and Zhao Rong Meng. "Assessment on Heavy Metals in Edible Univalves in Dandong Market." Advanced Materials Research 955-959 (June 2014): 1189–93. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.1189.

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From April to July 2012, four species of univalves were selected and 60 samples were chosen from each species of univalves by random sampling in Dandong market. The heavy metal contents of Pb, Cd, Cr, Cu, Zn, total As and total Hg in the edible parts of the univalves were determined by using incomplete digestion - AAS method, and the assessment on the pollution situation of the four species of univalves was made by using the single factor index method. The results showed that bullacta exarata was slightly polluted by Zn, the pollution index was 0.65, and the edible value was threatened, which

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Nagy, Attila, Tamás Magyar, Csaba Juhász, and János Tamás. "Phytoremediation of acid mine drainage using by-product of lysine fermentation." Water Science and Technology 81, no. 7 (2020): 1507–17. http://dx.doi.org/10.2166/wst.2020.240.

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Abstract The main point of this research is to assess the applicability of condensed molasses soluble (CMS), which is an organic by-product of lysine fermentation, as an environmentally friendly complexing agent in rhizofiltration of heavy metal contaminated acid mine drainage (AMD). First, the ecotoxicological properties (growth inhibition, seed germination) of CMS were examined with often applied indicator plant species such as duckweed (Lemna minor) and lettuce (Lactuca sativa) so as to define the possible applicable CMS concentration. Then the heavy metal accumulation and translocation pro

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Antonkiewicz, Jacek, Czesława Jasiewicz, and Pavel Ryant. "The use of heavy metal accumulating plants for detoxication of chemically polluted soils." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 52, no. 1 (2004): 113–20. http://dx.doi.org/10.11118/actaun200452010113.

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The studies conducted from 1997 to 1999 in a vegetation hall were performed as a pot experiment on ordinary silt soil. Jerusalem artichoke, maize, Sida hermaphrodita Rusby, amaranth and hemp were used as indicator plants. The results confirmed, great diversification of the element contents which depends not only on the species but also on the part of individual plants. Analysis of the data revealed also another dependence: increased concentration of heavy metals in the soil corresponded to a higher content of heavy metals in the plants. Significant differences in this respect were observed for

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Meza, Verónica, Camilo Lillo, Daniela Rivera, Eva Soto, and Rodrigo Figueroa. "Sarcocornia neei as an Indicator of Environmental Pollution: A Comparative Study in Coastal Wetlands of Central Chile." Plants 7, no. 3 (2018): 66. http://dx.doi.org/10.3390/plants7030066.

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Being adapted to saline environments, halophytes are plant species that have received considerable attention due to their ability to cope with environmental stress factors, such as high concentrations of soluble salts and heavy metals. In this work, we focused on determining if the Sarcocornia neei (S. neei) plant can be considered as an indicator of heavy metal pollution in soil. This was done by analyzing the concentration of cadmium (Cd), lead (Pb), copper (Cu), and arsenic (As) in plants and soil sampled from two wetlands in the central zone of Chile: a wetland contaminated by industrial a

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Kanibolotskaya, Yuliya M., Yelena F. Krasnopyorova, Ainagul B. Kalieva, and Sholpan M. Zhumadina. "Agropyron cristatum (L.) Beauv. as a possible indicator of heavy metal contamination." Samara Journal of Science 9, no. 2 (2020): 60–66. http://dx.doi.org/10.17816/snv202110.

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Due to the increasing negative impact of anthropogenic factors on the state of the environment in man-made regions, the possibility of using Agropyron cristatum (L.) Beauv. to detect contamination of industrial areas Ti, Mn, Cr, Fe, Ni, Cu, Zn, Pb, Sr is being considered. To achieve the research goal the authors have analyzed the content of these metals in vegetable (A. cristatum) and soil samples, taken in the suburbs of Pavlodar (the Pavlodar Region, Kazakhstan) at various distances from the operating industrial enterprises with application of the standard techniques. Geobotanic studies have

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Meindl, George A., Mark I. Poggioli, Daniel J. Bain, Michael A. Colón, and Tia-Lynn Ashman. "A Test of the Inadvertent Uptake Hypothesis Using Plant Species Adapted to Serpentine Soil." Soil Systems 5, no. 2 (2021): 34. http://dx.doi.org/10.3390/soilsystems5020034.

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Serpentine soils are a stressful growing environment for plants, largely due to nutrient deficiencies and high concentrations of toxic heavy metals (e.g., Ni). Plants have evolved various adaptations for tolerating these extreme environments, including metal hyperaccumulation into above-ground tissues. However, the adaptive significance of metal hyperaccumulation is a topic of debate, with several non-mutually-exclusive hypotheses under study. For example, the inadvertent uptake hypothesis (IUH) states that heavy metal accumulation is a consequence of an efficient nutrient-scavenging mechanism

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Milinki, E., and Z. Muranyi. "Amphipods and other macroinvertebrates as indicator species of heavy metal pollution in the Eger and Laskó Streams." SIL Proceedings, 1922-2010 27, no. 7 (2001): 3911–15. http://dx.doi.org/10.1080/03680770.1998.11901720.

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Jabeen, F., and A. S. Chaudhry. "Heavy metal uptake, bioaccumulation and histopathological responses in gills of freshwater fish from the Indus River, Pakistan." Proceedings of the British Society of Animal Science 2009 (April 2009): 127. http://dx.doi.org/10.1017/s1752756200029665.

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The high nutritional value of fish makes it an ideal component of a healthy and balanced diet. Elevated levels of heavy metals in fish represent both an ecological and human health concern. Fish species are often the top consumers in aquatic ecosystems and thus metal concentrations in fish can act as an indicator of the state of the aquatic environment. Fish are known to bio-accumulate metals and are considered as one of the most indicative factors, in freshwater systems, for the estimation of trace metals pollution potential (Rashed, 2001). Histopathology can be an indicator of the effects of

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Raza, Hussain. "HEAVY METAL POLLUTANT-INDUCED CYTOTOXICITY INVOLVES PERTURBATIONS OF MITOCHONDRIAL FUNCTION." Paediatrics & Child Health 23, suppl_1 (2018): e38-e39. http://dx.doi.org/10.1093/pch/pxy054.100.

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Abstract BACKGROUND Environmental pollutants like heavy metals pose a tremendous risk to both animal and human health though the mechanisms underlying their cytotoxic actions at the cellular level remain largely unknown. The freshwater mollusc Lymnaea stagnalis carries hemocynin as its oxygen carrier whereby iron is replaced with copper. As such, this species is highly sensitive to its environmental copper contents and has been used as an important indicator of water quality. Studies have shown that miniscule levels of heavy metals (Pb, Ni, Cu, Co) dissolved in aqueous environments lead to det

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Marcovecchio, Jorge Eduardo, Víctor Jorge Moreno, and Antonio Perez. "The sole, paralichthys sp., as an indicator species for heavy metal pollution in the bahia blanca estuary, Argentina." Science of The Total Environment 75, no. 2-3 (1988): 191–99. http://dx.doi.org/10.1016/0048-9697(88)90032-0.

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Sangur, Kristin, Fredy Leiwakabessy, Hasan Tuaputty, et al. "Mudskipper as an Indicator Species for Lead, Cadmium and Cuprum Heavy Metal Pollution in the Mangrove, Ambon, Indonesia." Journal of Ecological Engineering 22, no. 4 (2021): 1–19. http://dx.doi.org/10.12911/22998993/134077.

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Hassan, Ruhana, and Devagi Kanakaraju. "Razor Clams (Class Bivalvia) of Kuala Selangor, Malaysia: Morphology, Genetic Diversity and Heavy Metal Concentration." Borneo Journal of Resource Science and Technology 2, no. 2 (2016): 19–27. http://dx.doi.org/10.33736/bjrst.275.2013.

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Razor Clam (Bivalvia) could be easily identified as having two long, narrow shell valves connected by hinges, two siphons and one strong foot. It plays important role in ecological services besides providing food and extra income for the coastal communities. As filter feeder, razor clam is a good indicator for heavy metal contamination in aquatic environments. In Selangor, razor clam is locally known as ‘siput buluh’, yet, there is no proper scientific documentation on this species. This short study was carried out to assess the morphology of razor clams in Selangor for species identification

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LAWAL-ARE, Aderonke Omolara, Rasheed Olatunji MORUF, Sarah Oyeyinka OLUSEYE-ARE, and Tajudeen Opeyemi ISOLA. "Antioxidant Defense System Alternations in Four Crab Species as a Bio-Indicator of Environmental Contamination." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Veterinary Medicine 76, no. 1 (2019): 73. http://dx.doi.org/10.15835/buasvmcn-vm:2019.0001.

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The ecological health status of aquatic environment is a determinant for the survival and growth of organisms within such niche. An investigative study was carried out on four crab species – Cardiosoma armatum, Goniopsis pelli, Callinectes amnicola, Portunus validusinhabiting contaminated sites in Lagos Lagoon- exploring their anti-oxidant defense mechanism in the light of heavy metal concentration in the crab tissues. Amongst the measured heavy metals, cadmium level proved to be significantly highest (P<0.05) with range concentration of 0.42±0.12mg/kg (G. pelli)- 0.79±0.06 mg/kg (C. armatu

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Davamani, V., E. Parameswari, S. Arulmani, P. Doraisamy, J. S. Kennedy, and M. Maheswari. "Evaluation of localization of lead and nickel in plant cells of Amaranthus sp. and Brassica sp. absorbed from mine spoil waste." Journal of Applied and Natural Science 8, no. 3 (2016): 1611–14. http://dx.doi.org/10.31018/jans.v8i3.1009.

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A detailed survey was undertaken in the sewage water contaminated areas of Coimbatore to select the natural hyper accumulators to rehabilitate the contaminated mine spoils. From this experiment the Pb and Ni accumulators, Amaranthus sp. and Brassica sp. were selected for further studies towards remediating the metal contaminated mine spoils. Microtomy of root, stem and leaf of Amaranthus sp. and Brassica sp. showed that the colour development in the plant species is evidence for accumulation of metals in different parts of plants and also tolerance mechanism employed by plant species under met

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Ejidike, Ikechukwu P., and Percy C. Onianwa. "Assessment of Trace Metals Concentration in Tree Barks as Indicator of Atmospheric Pollution within Ibadan City, South-West, Nigeria." Journal of Analytical Methods in Chemistry 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/243601.

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Tree bark species were randomly collected from 65 sites having different anthropogenic activities, such as industrial, high traffic commercial, residential high and residential low traffic volume areas of Ibadan City, Nigeria. Levels of Cd, Cu, Pb, Zn, Co, and Cr of the dry-ashed bark samples were determined by AAS. The mean metal concentrations (mg kg−1) in samples from industrial zone were found as Pb:3.67±1.97, Cd:0.10±0.07, Zn:30.96±32.05, Cu:7.29±5.17, Co:0.91±0.58, and Cr:2.61±1.84. The trend of mean trace metal concentrations at high traffic commercial zone follows the order: Zn > Pb

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Dreshaj, Adem, Bedri Millaku, Elvis Elezaj, and Bekë Kuqi. "Concentration of Heavy Metals in the Biot of Lake Radoniqi and Badovci, Food Safety: Study of the Natural Environment in the Republic of Kosovo." International Journal of Design & Nature and Ecodynamics 16, no. 2 (2021): 233–38. http://dx.doi.org/10.18280/ijdne.160214.

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The purpose of this research is to determine the content of heavy metals in the lakes of Kosovo, lakes with heavy metals such as: (Hg, Cd, Pb, As, Fe, Zn, Ni, Cu), in water and water sediment in Lake Radoniq and Lake Badovc. Determination of heavy metals (Pb, Cd, Hg, As), in muscle tissue and fish organs. Parameters as an indicator of fish safety for food, indicator of environmental pollution (Kosovo lake bioten). Age of fish, the amount of fat are important factors that affect the accumulation of heavy metals in fish. This indicates that the bioaccumulation of heavy metals is a special proces

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Alda, Simion, Simona Nita, Lucian Dumitru Nita, Maria Rada, Despina Maria Bordean, and Liana Maria Alda. "Heavy Metals (Cr, Cd, Cu, Pb and Zn) Uptake by Cirsium arvense and Agropyron repens." Revista de Chimie 69, no. 5 (2018): 1145–48. http://dx.doi.org/10.37358/rc.18.5.6277.

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The purpose of this study was to monitor the heavy metal soil contamination and also to accomplish a comparative study on Cirsium arvense and Agropyron repens heavy metals uptake. The samples were collected from seven different sites situated at various distances from the polluted area Tarnaveni, Romania. Near the chemical wastes spontaneous vegetation is predominant. In this vegetation formed on fallow land, Agropyron repens (monocotyledonate perennial weed) and Cirsium arvense (dicotyledonate perennial weed) are dominant species. The metal (Cr, Cd, Cu, Pb and Zn) concentrations were determin

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Li, Junmin, Zexin Jin, and Qiping Gu. "Effect of plant species on the function and structure of the bacterial community in the rhizosphere of lead–zinc mine tailings in Zhejiang, China." Canadian Journal of Microbiology 57, no. 7 (2011): 569–77. http://dx.doi.org/10.1139/w11-054.

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To uncover the role played by pioneer plants in the natural succession of vegetation on heavy-metal mine tailings, it is important to explore the sensitive indicator of rhizosphere microbial community performance. We investigated the structure and function of rhizosphere bacterial communities of five pioneer plants growing on lead–zinc mine tailings in Zhejiang, China. Compared with the control, all five pioneer plants differentially affected the structure and function of rhizosphere bacterial communities. The number of bacteria, the activity of β-glucosidase and urease, and species richness i

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COURTNEY-HOGUE, C. "Heavy metal accumulation in Lacistorhynchus dollfusi (Trypanorhyncha: Lacistorhynchidae) infecting Citharichthys sordidus (Pleuronectiformes: Bothidae) from Santa Monica Bay, Southern California." Parasitology 143, no. 6 (2016): 794–99. http://dx.doi.org/10.1017/s003118201600038x.

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SUMMARYThe accumulation of heavy metals in macroparasites of fish has been widely studied in freshwater environments. Less is known about metal uptake in cestodes parasitizing marine fish. Lacistorhynchus dollfusi is a common larval cestode parasite of Pacific sanddab (Citharichthys sordidus), a flatfish species inhabiting Santa Monica Bay. The ability of this cestode to concentrate metals in its tissues was compared with metal levels in its sanddab host. Fish and cestode tissue were analysed for 14 elements using Inductively Coupled Plasma Mass Spectrometry. The elements analysed were silver

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Uniyal, P. L., Anjana Singh, Anjuli Sood, and Prabha Sharma. "Assessment of Accumulation of some Heavy Metals in Mosses of Idukki District, Kerala (Western Ghats, India)." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 3, no. 01 (2017): 15–19. http://dx.doi.org/10.18811/ijpen.v3i.8442.

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Bryophytes constitute an important proportion of the vegetation in the Western Ghats. Recent developmental activities cause an increase in the metal contaminants in the environment which ultimately accumulate in the plant system. Mosses have been used as indicator to monitor level of environmental pollution. In the present study, eighteen moss species and their soil substrata were analyzed to evaluate the accumulation capacity of heavy metals in mosses of different sites of Idukki District of Kerala. Statistically metal concentrations showed significant differences (p=5%) in interspecies, whil

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R ., Rahmouni, Bouden S., Oueslati W., Sbei A., and Chaabani F. "Les Algues Indicatrices De L'eutrophisation Et De La Contamination De La Lagune De Korba (Cap Bon Tunisie)." European Scientific Journal, ESJ 12, no. 17 (2016): 149. http://dx.doi.org/10.19044/esj.2016.v12n17p149.

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The concentrations of heavy metals (Fe, Zn, Pb and Mn) were determined in two green algae (Enteromorpha intestinalis and Chaetomorpha Linium) collected from April 2012 to February 2013 in nine stations characterized by the abundance of these algae throughout the year. Determination of Pb, Mn and Zn was carried out by graphite furnace atomic absorption spectrometer while Fe by flame atomic absorption spectrometer (using the Thermo Scientific ICE 3300 AA Spectrometer). An evaluation of the degree of eutrophication is made through the physicochemical study of 31 samples in the surface water. The

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CANSARAN DUMAN, Demet, Ersin ALTUNKAYNAK, and Emine Sümer ARAS. "Heavy metal accumulation and genotoxicity indicator capacity of the lichen species Ramalina pollinaria collected from around an iron steel factory in Karabük, Turkey." TURKISH JOURNAL OF BOTANY 38 (2014): 477–90. http://dx.doi.org/10.3906/bot-1201-19.

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Waterhouse, J. C., and M. P. Farrell. "Identifying Pollution Related Changes in Chironomid Communities as a Function of Taxonomic Rank." Canadian Journal of Fisheries and Aquatic Sciences 42, no. 3 (1985): 406–13. http://dx.doi.org/10.1139/f85-056.

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This study compares specific- and generic-level analyses of chironomid presence/absence data along a heavy-metal gradient. Eighteen binary similarity coefficients were calculated for five sampling stations from a small Ohio stream that receives an effluent containing zinc, copper, and chromium from a metal-plating industry. In general, the specific- and generic-level values were highly correlated and showed similar patterns across the 10 station comparisons. The basis for this correlation was then investigated by an assessment of both the amount (average number of species per genus) and the pa

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Lehoczky, Éva, T. Németh, and Zs Kiss. "Cadmium and Lead Uptake by Ryegrass, Lettuce and White Mustard Plants on Different Soils." Agrokémia és Talajtan 51, no. 1-2 (2002): 201–10. http://dx.doi.org/10.1556/agrokem.51.2002.1-2.24.

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The pot experiment - carried out in 2000 under greenhouse conditions - was set up with seven soils differing in Cd and Pb contents and three test plants ( Lolium perenne L. cv. Georgikon), lettuce ( Lactuca sativa L. cv. Balatonzöld) and white mustard ( Sinapis alba L. cv. Sirola) with four replicates. From the seven experimental soils five samples (S1-S5) were collected from agricultural areas (arable sites) and two (S6-S7) from spoil-earth, with extremely high Cd and Pb contents. The pots, each containing 1 kg air-dry soil, were kept at constant soil moisture (60% of maximum water capacity o

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Sigua, Gilbert C., Jeff M. Novak, Don W. Watts, et al. "Phytostabilization of Zn and Cd in Mine Soil Using Corn in Combination with Biochars and Manure-Based Compost." Environments 6, no. 6 (2019): 69. http://dx.doi.org/10.3390/environments6060069.

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Mining activities could produce a large volume of spoils, waste rocks, and tailings, which are usually deposited at the surface and become a source of metal pollution. Phytostabilization of the mine spoils could limit the spread of these heavy metals. Phytostabilization can be enhanced by using soil amendments such as manure-based biochars capable of immobilizing metal(loid)s when combined with plant species that are tolerant of high levels of contaminants while simultaneously improving properties of mine soils. However, the use of manure-based biochars and other organic amendments for mine sp

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Rahmonov, Oimahmad, Robert Krzysztofik, Dorota Środek, and Justyna Smolarek-Lach. "Vegetation- and Environmental Changes on Non-Reclaimed Spoil Heaps in Southern Poland." Biology 9, no. 7 (2020): 164. http://dx.doi.org/10.3390/biology9070164.

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The study focused on the changes in vegetation and soils on an undeveloped area of coal mine spoil heaps. The process of vegetation changes was evaluated on the basis of historical cartographic materials and fieldwork. Changes of vegetation in nearly 200 years are presented herein. The main purpose of this study is to present an analysis of spatio-temporal changes in vegetation and their influence on soil features. The diversity of ecological species in terms of habitat requirements, tendency of hornbeam communities formation, and the relationship between forest communities and soil features w

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Merola, Carmine, Angelo Bisegna, Giovanni Angelozzi, et al. "Study of Heavy Metals Pollution and Vitellogenin Levels in Brown Trout (Salmo trutta trutta) Wild Fish Populations." Applied Sciences 11, no. 11 (2021): 4965. http://dx.doi.org/10.3390/app11114965.

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The objectives of this research were, first, to determine the concentrations of certain heavy metals in the edible tissue of wild brown trout (Salmo trutta trutta) from two different rivers located in the Abruzzi region (Italy), and then, to investigate the levels of variation in vitellogenin (VTG) associated with the presence of metalloestrogens. VTG is an effective indicator for endocrine disturbance, and an increase in the vitellogenin levels in male fish is widely employed as a biomarker of estrogenic contamination in the aquatic environment. The muscles of the trout were analyzed for As,

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Massoura, Stamatia Tina, Guillaume Echevarria, Elisabeth Leclerc-Cessac, and Jean Louis Morel. "Response of excluder, indicator, and hyperaccumulator plants to nickel availability in soils." Soil Research 42, no. 8 (2004): 933. http://dx.doi.org/10.1071/sr03157.

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Availability is a key property for the assessment of soil-to-plant transfer of heavy metals. This work was conducted to determine whether the available pool of Ni differs according to the ability of plants to take up and accumulate the metal. An excluder plant species (Triticum aestivum L.), an indicator (Trifolium pratense L.), and 3 populations of the Ni-hyperaccumulator Alyssum murale (Waldst. & Kit.) were grown for 90 days on 4 soils with a gradient of concentrations of total and available Ni. Isotopic exchange methods with 63Ni ions were used to measure the exchangeable soil Ni (E-val

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Gomes, Silvânia M. de S., Vera Lucia A. de Lima, Adailson P. de Souza, Joab J. V. R. do Nascimento, and Everaldo S. do Nascimento. "Cloroplast pigments as indicators of lead stress." Engenharia Agrícola 34, no. 5 (2014): 877–84. http://dx.doi.org/10.1590/s0100-69162014000500007.

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Plants respond to environmental adversities, becoming an indicator for assessing the environment quality. In this aspect, chlorophyll contents as well, carotenoids are used as a reliable indicator to associate environmental quality and pollution, mainly regarding the toxicity of heavy metals in higher plants. So, we aimed to evaluate the content of chlorophyll a, b, and total chlorophylls and carotenoids in plants vetiver [Vetiveria zizanioides (L.) Nash], maize (Zea mays L.) cv. AG 1051, sunflower (Helianthus annuus L.) cv. BRS 122/V-2000, and castor beans (Ricinus communis L. ) cv . Northeas

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Husien, Sh, A. Labena, E. F. El-Belely, Hamada M. Mahmoud, and Asmaa S. Hamouda. "Absorption of hexavalent chromium by green micro algae Chlorella sorokiniana: live planktonic cells." Water Practice and Technology 14, no. 3 (2019): 515–29. http://dx.doi.org/10.2166/wpt.2019.034.

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Abstract Hexavalent chromium Cr (VI) is a toxic heavy metal that discharged by many industries into the water streams. It is the most toxic form of chromium compound, which causes significant damage to receiving ecosystems. A microalgal species, Chlorella sp., was used as a biosorbent material to remove Cr (VI) from Cr-contaminated effluents. Furthermore, different variables: pH, temperature, contact time, Cr (VI) concentration and algal dose, were optimized in order to determine the optimum conditions that achieve the highest removal efficiency. The optimization process was achieved through t

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Makvandi, Sheida, Philippe Pagé, Jonathan Tremblay, and Réjean Girard. "Exploration for Platinum-Group Minerals in Till: A New Approach to the Recovery, Counting, Mineral Identification and Chemical Characterization." Minerals 11, no. 3 (2021): 264. http://dx.doi.org/10.3390/min11030264.

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The discovery of new mineral deposits contributes to the sustainable mineral industrial development, which is essential to satisfy global resource demands. The exploration for new mineral resources is challenging in Canada since its vast lands are mostly covered by a thick layer of Quaternary sediments that obscure bedrock geology. In the course of the recent decades, indicator minerals recovered from till heavy mineral concentrates have been effectively used to prospect for a broad range of mineral deposits including diamond, gold, and base metals. However, these methods traditionally focus o

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Hong, Yuanyuan, Moriaki Yasuhara, Hokuto Iwatani, and Briony Mamo. "Baseline for ostracod-based northwestern Pacific and Indo-Pacific shallow-marine paleoenvironmental reconstructions: ecological modeling of species distributions." Biogeosciences 16, no. 2 (2019): 585–604. http://dx.doi.org/10.5194/bg-16-585-2019.

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Abstract. Fossil ostracods have been widely used for Quaternary paleoenvironmental reconstructions, especially in marginal marine environments (e.g., for water depth, temperature, salinity, oxygen levels, pollution). But our knowledge of indicator species autoecology, the base of paleoenvironmental reconstructions, remains limited and commonly lacks robust statistical support and comprehensive comparison with environmental data. We analyzed marginal marine ostracod taxa at 52 sites in Hong Kong for which comprehensive environmental data are available. We applied linear regression models to rev

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Tkachuk, Oleksandr. "POLLUTION OF SOIL WITH HEAVY METALS WHILE GROWING PERENNIAL GRASSES." Agriculture and Forestry, no. 1 (April 28, 2020): 212–25. http://dx.doi.org/10.37128/2707-5826-2020-1-15.

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Total arable land in Ukraine amounts to 32.4 million hectares, about 2.6 million hectares or 8% is from soils contaminated with heavy metals. The widespread distribution of such soils and the subsequent chemicalisation of crop and agriculture lead to disruption of agrocenoses. The situation is complicated by the accumulation of more than one heavy metal at the same time in the soil. In such a condition, a synergistic effect is shown in relation to the soil biota - an increase in toxic effects. This requires finding ways to reduce soil poisoning by heavy metals on an environmental footing. The

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Bajpai, Omesh, Sujata Mishra, Narendra Mohan, Jitendra Mohan, and Rajan K. Gupta. "Physico Chemical Characteristics of Lakhna Devi Temple Water Tank, Lakhna, Bakewar, Etawah, U.P. with reference to Cyanobacterial Diversity." International Journal of Environment 1, no. 1 (2013): 20–28. http://dx.doi.org/10.3126/ije.v1i1.8525.

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Fresh water bodies in populated plains of tropical countries face various disturbances in the form of pollutant and nutrient inflow, heavy metal and elemental precipitation (wet or dry) and constant silt inflow (natural or anthropogenic). The physico-chemical characteristics are very much important for any water body. In lentic water bodies these characteristics shows very much variation because in summer they have less and in rains large amount of water. These adverse constrain effectively influence the algal assemblage and can be a good indicator of overall health of the water body. In the s

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Hiponia, Rick Jhan, Ryan Gabriel Ubas, Cejay Mahilum, et al. "Characterization and toxicological evaluation of leachate from Bacolod city sanitary landfill using tilapia (Oreochromis niloticus): a preliminary study." E3S Web of Conferences 240 (2021): 01007. http://dx.doi.org/10.1051/e3sconf/202124001007.

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This study was carried out to characterize and assess the toxicity of Bacolod City Landfill leachate using Tilapia as bio-indicator species. Acclimatized Oreochromis niloticus fishes (length of 14 cm ± 2.0 cm and weight of 11.8 g ± 0.9 g) were introduced into each treatment tank containing three different concentrations of leachate in duplicates (10 ppm, 50 ppm and 100 ppm) and a control group. Physical reactions were observed such as erratic swimming, loss of reflex, hyperactivities, and surfacing. Reactions and mortality rate increased with increasing concentration and duration of exposure.

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Turisová, Ingrid, Peter Sabo, Tomáš Štrba, Samuel Koróny, Peter Andráš, and Pavel Širka. "Analyses of floristic composition of the abandoned Cu-dump field Piesky (Staré Hory Mountains, Slovakia)." Web Ecology 16, no. 1 (2016): 97–111. http://dx.doi.org/10.5194/we-16-97-2016.

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Abstract. The Cu-dump field Piesky is an important historical abandoned mining area in the region of central Europe, well known for the high content of heavy metals in its soil, especially copper, the content of which varies from 933.40 to 1485.40 mg kg−1. Floristic and phytosociological research was carried out here during the vegetation seasons in 2011–2014. Altogether a total of 156 taxa of vascular plants were found. The most common species were Acetosella vulgaris, Agrostis capillaris, A. stolonifera, Arabidopsis arenosa and Festuca rubra, which were important constituents of all mine hea

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Ivanisova, N. V., та L. V. Kurinskaya. "Биогеохимическая активность парковых насаждений как индикатор устойчивости древесных растений". World Ecology Journal, № 1() (18 серпня 2019): 40–54. http://dx.doi.org/10.25726/nm.2019.20.18.003.

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The relevance of the research is related to the improvement of the sustainability of park stands of the Rostov region, which have historical significance and conservation status. The longterm monitoring of the accumulation of heavy metals contributes to the establishment of the biogeochemical role of woody plants. The purpose of the research is to identify the biogeochemical activity of parkland stands of the steppe zone based on the study of the species and age composition of woody plants and the biological absorption coefficients of heavy metals. The coefficient of biological absorption (CBP

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Othman, Rashidi, Ruhul Izzati Shaharuddin, Zainul Mukrim Baharuddin, Khairusy Syakirin Has-Yun Hashim, and Mohd Shah Irani Hasni. "ASSESSMENT OF AQUATIC ECOSYSTEM STATUS USING MACROPHYTE SPECIES AS KEY TOOLS INDICATOR FOR HEAVY METAL POLLUTION." Jurnal Teknologi 77, no. 30 (2015). http://dx.doi.org/10.11113/jt.v77.6875.

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Aquatic plants or macrophytes are beneficial to fresh water bodies because they produce oxygen, which assists with overall fresh water bodies functioning, and provide food and shelter for aquatic living organisms. A lack of aquatic plants in a freshwater bodies system where they are expected to occur may suggest a reduced population of macro and micro fauna. In addition, the absence of macrophytes may also indicate water quality problems as a result of excessive turbidity, herbicides, or salinization. However, an over abundance of macrophytes can result from high nutrient levels and may interf

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Hrotkó, Károly, Márta Gyeviki, Diószegi Magdolna Sütöriné, et al. "Foliar dust and heavy metal deposit on leaves of urban trees in Budapest (Hungary)." Environmental Geochemistry and Health, November 13, 2020. http://dx.doi.org/10.1007/s10653-020-00769-y.

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AbstractThis work considers dust deposition and the heavy metal (HM) content on leaves of urban trees (Acer platanoides L. ‘Globosum,’ Fraxinus excelsior L. ‘Westhof’s Glorie’ and Tilia tomentosa Moench.) in order to estimate the trees’ capacity to remove dust and HM from the air. Leaves were collected from the Buda Arboretum and from different streets of heavy traffic in Budapest, Hungary, during 2015 and 2016. At each site, five trees were sampled by collecting 6 leaves from each tree from the height of 2–3 m. Dust deposits on the leaves were removed by soaking the fresh foliage in distilled

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Szarek-Gwiazda, Ewa, Pareskeva Michailova, Julia Ilkova, Andrzej Kownacki, Dariusz Ciszewski, and Urszula Aleksander-Kwaterczak. "The effect of long-term contamination by heavy metals on community and genome alterations of Chironomidae (Diptera) in a stream with mine drainage water (southern Poland)." Oceanological and Hydrobiological Studies 42, no. 4 (2013). http://dx.doi.org/10.2478/s13545-013-0102-y.

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AbstractThis paper reports on studies of the effect of heavy metals on the Chironomidae that inhabit the Matylda stream, which has been contaminated for about 100 years by discharge water from a zinc and lead ore mine. Stream sediment was strongly polluted by Cd, Pb, Cu and Zn. These metals did not affect the Chironomidae community but strongly changed the genome system of the Chironomidae species that inhabited the sediment. The salivary gland chromosomes of six species belonging to the two genera Chironomus and Prodiamesa are analyzed. In all species the somatic index is calculated on the ba

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Othman, Rashidi, Nur Hanie Mohd Latiff, Izawati Tukiman, and Khairusy Syakirin Has-Yun Hashim. "EFFECTS OF ALTITUDE AND MICROCLIMATE ON THE DISTRIBUTION FERNS IN AND URBAN AREAS." Jurnal Teknologi 77, no. 30 (2015). http://dx.doi.org/10.11113/jt.v77.6876.

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The aim of the research is to explore the potential of fern species as natural ecological indicator agent to forecast microclimate changes in the urban area. Ferns which also known as pteridophyte are not only valuable in term of its ethno-botanical uses such as food and medicine but also useful in ecological values. Other than that it can be used to treat unhealthy environment such as absorbing methane gas, fertilizing land and treating heavy metal such as arsenic as well as can be used as a potential ecological indicator agent for microclimate changes. In this research, observation and measu

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Fonge, B. A., E. N. Nkoleka, and F. Z. Asong. "Water Quality of Streams and Springs around a Municipal Landfill Surrounded by Intense Agricultural Activities in a Tropical Environment." International Journal of Environment and Climate Change, April 3, 2021, 166–81. http://dx.doi.org/10.9734/ijecc/2021/v11i130352.

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In Cameroon waste disposal by open dumping and landfilling are the most practised options. The siting, operation and after-care of landfills remain a challenging task. In this study we assessed water quality of stream, spring and leachate samples around/from the Mussaka landfill through physicochemical, heavy metal, microbial, phytoplankton, and benthic algae analyses. HCO3-, NH4-, NO3- concentrations are all above permissible limits EPA and WHO standards for freshwater systems. Concentrations of Ca2+ and Mg2+ in stream samples were far below standards but far greater (>480 mg/L) in spring

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Бекузарова, С. А., О. Г. Бурдзиева, Д. Г. Качмазов, and М. В. Майсурадзе. "ENVIRONMENTAL PROBLEMS IN THE TERRITORIES WITH THE MINING INDUSTRY, AND ACTIVE REMEDIATION OF TOXIC SOILS." Геология и геофизика Юга России, no. 4 (December 7, 2018). http://dx.doi.org/10.23671/vnc.2018.4.20130.

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Реабилитация территорий загрязненных солями тяжелых металлов, весьма токсических, является актуальной фундаментальной и, одновременно, важнейшей прикладной экологической задачей. При этом особую роль играют физико-механические свойства грунтов-оснований объектов подобных загрязнений. В статье рассмотрен вопрос использования травосмесей для реабилитации или рекультивации соответствующих территорий. В связи с этим, необходимо отметить, что проблема эта, в частности, в фиторемедиации почв на настоящее время изучена недостаточно. Авторы предложили некоторые варианты применения таких видов растений

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