Assessment of Hg in Holothuria (Mertensiothuria) leucospilota (Brandt, 1835) from Karachi coasts, Pakistan

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dc.authoridBat, Levent/0000-0002-2289-6691
dc.contributor.authorAhmed, Quratulan
dc.contributor.authorBat, Levent
dc.date.accessioned2025-03-23T19:27:35Z
dc.date.available2025-03-23T19:27:35Z
dc.date.issued2020
dc.departmentSinop Üniversitesi
dc.description.abstractThe aim of the present study was to determine mercury levels in sediments, surface sea water and Holothuria leucospilota muscles and skin in two selected sites from Karachi coast. Samples were collected during two seasons south-west monsoon (August-September) and north-east monsoon (December-January). The concentrations of Hg in sediment ranged from 0.0012 to 0.0023 mg kg(-1), and in surface water from 0.00018 to 0.00034 (mu g l(-1)), while in muscle and skin of black sea cucumber ranged from LOD to 0.0034 and LOD to 0.0046 mg kg(-1) dry wt., respectively. Moreover, Hg showed the highest accumulation rate in the skin tissue with BSAF values ranging between 2 in Buleji and 2.69 in Sunehri at north-east monsoon. The BSAF values in the muscles of the black sea cucumber ranged from 1.44 at south-west monsoon in Buleji to 1.63 at north-east monsoon in Sunehri, respectively. Since BSAF value is higher than 2 on the skin of sea cucumber, it is evaluated as macro-concentrator. However, the BSAF value varies between 1 and 2 in muscle, it has been determined as micro-concentrator. Hg in the black sea cucumbers from Buleji and Sunehri sites of the Karachi coasts is very bio-accumulative (BCF > 5000) during both sampling seasons.
dc.identifier.doi10.18016/ksutarimdoga.vi.715683
dc.identifier.endpage1568
dc.identifier.issn2619-9149
dc.identifier.issue6
dc.identifier.scopusqualityN/A
dc.identifier.startpage1561
dc.identifier.trdizinid432429
dc.identifier.urihttps://doi.org/10.18016/ksutarimdoga.vi.715683
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/432429
dc.identifier.urihttps://hdl.handle.net/11486/4940
dc.identifier.volume23
dc.identifier.wosWOS:000592231400020
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherKahramanmaras Sutcu Imam Univ Rektorlugu
dc.relation.ispartofKsu Tarim Ve Doga Dergisi-Ksu Journal of Agriculture and Nature
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectMercury
dc.subjectHolothuria leucospilota
dc.subjectKarachi
dc.subjectPakistan
dc.subjectArabian Sea
dc.titleAssessment of Hg in Holothuria (Mertensiothuria) leucospilota (Brandt, 1835) from Karachi coasts, Pakistan
dc.typeArticle

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