Research Article
ANALYSIS OF MERCURY (HG) IN FOUR HOLOTHURIANS SPECIES (PHYLUM-ECHINODERMATA) FROM KARACHI COAST-NORTHERN ARABIAN SEA
Abstract
Nowadays metal bioaccumulation in holothuroids is increasing and is a
cause of worry owing to toxicity. In the present study the concentrations of
mercury (Hg) were measured in holothuroids (Holothuria (Thymiosycia) arenicola Semper, 1868, Holothuria (Lessonothuria) pardalis Selenka, 1867, Holothuria (Lessonothuria) verrucosa Selenka, 1867 and Holothuria (Halodeima) atra Jaeger, 1833) collected during different
seasons (pre-monsoon, monsoon, and post-monsoon) in 2015 at Buleji and Sunehri coasts of Karachi, Pakistan. Hg
concentrations of tentacles were higher than those in muscle, tentacle and gut
tissues of the pre-monsoon, monsoon and post-monsoon. The lowest Hg
concentrations were found in muscle tissues at all seasons in Buleji and Sunehri
coasts. The mean levels in the muscle tissues were 0.018 mg/kg dry wt.
for H. arenicola, 0.024
mg/kg dry wt. for H. verrucosa, 0.026 mg/kg dry wt. for H. pardalis and 0.036 mg/kg dry wt. for H. Atra. The results indicate
that according to the European Union legislation the Hg amounts in all tissues
of holothurians is much lower than permitted levels.
In terms of Estimated Weekly Intakes, this current work also proved that there
was no likely health hazard to consumers on account of intake of sea cucumbers
under the current consumption rate in Buleji and Sunehri coasts of Karachi, Arabian
Sea.
Keywords
Mercury Buleji Sunehri Karachi coast Estimated Weekly Intakes Estimated Daily Intakes Northern Arabian Sea Holothuroids Northern Arabian Sea
References
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Year 2018,
, 55 - 63, 24.02.2018
Abstract
References
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- Ahmed, Q., Bat, L., Yousuf, F. (2015). Accumulation of heavy metals in tissues of long tail tuna from Karachi Fish Harbour, Pakistan. Aquatic Science and Technology, 3(1), 103-115.
- Ahmed, Q., Bat, L. (2015a). Heavy metal levels in Euthynnus affinis (Cantor, 1849) Kawakawa fish marketed of Karachi fish harbour, Pakistan and potential risk of human health. J. Black Sea/Mediterranean Environment, 21(1), 35-44.
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- Ahmed, Q., Bat, L. (2016a). The role of Zn and Cu in muscles tissues of Pampus argenteus (Euphrasen, 1788), marketed by Karachi fish harbour, Pakistan. Walailak Journal of Science and Technology, 13(7), 571-578.
- Ahmed, Q., Bat, L. (2016b). Levels and health risk assessments of Cd and Pb in Pomadasys maculatus marketed by Karachi fish harbor. ILMU KELAUTAN: Indonesian Journal of Marine Sciences, 21(2), 53-58.
- Ahmed, Q., Bat, L., Yousuf, F. (2017a). Contamination of Cu, Zn, Fe and Mn in Katsuwonus pelamis (Linnaeus, 1758) from Karachi fish harbor and potential risks to human health. International Journal of Marine Science, 7(9), 76-87.
- Ahmed, Q., Mohammed Ali, Q., Bat, L. (2017b). Assessment of heavy metals concentration in Holothurians, sediments and water samples from coastal areas of Pakistan (northern Arabian Sea). Journal of Coastal Life Medicine, 5(5), 191-201.
- Bat, L., Özkan, E.Y., Öztekin, H.C. (2015). The contamination status of trace metals in Sinop coast of the Black Sea, Turkey. Caspian Journal of Environmental Sciences, 13(1), 1-10.
- Bat, L., Özkan, E.Y. (2015). Chapter 13. Heavy metal levels in sediment of the Turkish Black Sea coast. In: Bikarska I, Raykov V, Nikolov N. (Eds.) Progressive Engineering Practices in Marine Resource Management (p. 399-419) Advances in Environmental Engineering and Green Technologies IGI Global book series USA. ISSN 2326-9162
- Bat, L., Özkan, E.Y., Büyükisik, H.B., Öztekin, H.C. (2017). Assessment of metal pollution in sediments along Sinop peninsula of the Black Sea. International Journal of Marine Science, 7(22), 205-213.
- Bernhard, M. (1976). Manual of Methods in the Aquatic Environment Research. FAO Fisheries Technical Paper FIRI/T no.158, Food and Agriculture Organisation, Rome.
- EC (COMMISSION REGULATION) No 466/2001 of 8 March 2001 setting maximum levels for certain contaminants in foodstuffs. Retrieved from https://assurance.redtractor.org.uk/contentfiles/Farmers-5441.pdf?_=635912156334316244 (accessed 29.01.18)
- EC (COMMISSION REGULATION) No 1881/2006 of 19 December 2006 setting maximum levels for certain contaminants in foodstuffs. Retrieved from https://www.fsai.ie/uploadedFiles/Consol_Reg1881_2006.pdf (accessed 29.01.18)
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- Jinadasa, B.K.K.K., Samanthi, R.I., Wicramsinghe, I. (2014). Trace metal accumulation in tissue of sea cucumber species; North-Western Sea of Sri Lanka. American Journal of Public Health Research, 2(5A), 1-5.
- Official Journal of the European Union (2013). Directive 2013/39/EU of the European Parliament and of the Council of 12 August 2013 amending Directives 2000/60/EC and 2008/105/EC as regards priority substances in the field of water policy. L 226:1-17. Retrieved from http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32013L0039&from=EN (accessed 29.01.18)
- Özer, N.P., Mol, S., Varlık, C. (2004). Effect of the handling procedures on the chemical composition of sea cucumber. Turkish Journal of Fisheries and Aquatic Sciences, 4, 71-74.
- TFC (2002). Official Gazette of Republic of Turkey. Notifications about determination of the maximum levels for certain contaminants in foodstuffs of Turkish Food Codex (in Turkish). (Notification No: 2002/63), Issue: 24885. Retrieved from http://www.resmigazete.gov.tr/main.aspx?home=http://www.resmigazete.gov.tr/eskiler/2002/09/20020923.htm/20020923.htm&main=http://www.resmigazete.gov.tr/eskiler/2002/09/20020923.htm (accessed 29.01.18)
- TFC (2008). Official Gazette of Republic of Turkey. Notifications about maximum levels for certain contaminants in foodstuffs (in Turkish). No 2008 / 26, Issue: Retrieved from http://www.resmigazete.gov.tr/main.aspx?home=http://www.resmigazete.gov.tr/eskiler/2008/05/20080517.htm/20080517.htm&main=http://www.resmigazete.gov.tr/eskiler/2008/05/20080517.htm (accessed 29.01.18)
- UNEP (1984). Determination of Total Cd, Zn, Pb and Cu in Selected Marine Organisms by flameless AAS. Reference Methods for Marine Pollution Studies, 11 Rev 1.
- UNEP (1985). GESAMP: Cadmium, lead and tin the Marine Environment. UNEP Regional Seas Reports and Studies, no 56, GESAMP Reports and Studies, no 22.
- Warnau, M., Dutrieux, S., Ledent, G., Rodriguez Y Baena, A.M., Dúbois, P. (2006). Heavy metals in the sea cucumber Holothuria tubulosa (Echinodermata) from the Mediterranean Posidonia oceanica ecosystem: body compartment, seasonal, geographical and bathymetric variations. Environmental Bioindicators, 1, 1-18.
- WHO (World Health Organization) (1989). Heavy metals environmental aspects. Environmental Health Criteria, No. 85 Geneva, Switzerland.
- WHO (World Health Organization). (1996). Trace elements in human nutrition and health. NLM Classification, QU 130, Geneva, Switzerland. ISBN 9241561734
- WoRMS Editorial Board (2018). World Register of Marine Species. Retrieved from http://www.marinespecies.org at VLIZ. doi:10.14284/170 (accessed 29.01.18)
- Zar, J.H. (1984). Biostatistical analysis. Second edition. Prentice Hall, Int., New Jersey.
There are 31 citations in total.
Details
| Primary Language | English |
|---|---|
| Subjects | Hydrobiology |
| Journal Section | Articles |
| Authors | |
| Publication Date | February 24, 2018 |
| Submission Date | January 31, 2018 |
| Published in Issue | Year 2018 |
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