Bioaccumulation of Zn, Cu and Mn in the Caviar and Muscle of Persian Sturgeon (Acipenser persicus) from the Caspian Sea, Iran

Mashroofeh, Abdulreza; Bakhtiari, Alireza Riyahi; Pourkazemi, M.

doi:10.1007/s00128-012-0863-9

Cited by 10 publications

(4 citation statements)

References 23 publications

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“…Understanding these Pb accumulation patterns within Lake Tanganyika may present a unique opportunity to assess interplay between Pb and biotic community dynamics over centuries, which would not be possible in younger lakes. Multiple ancient lakes of Asia have been subject to metal pollution from mining, industry, and agriculture, including the Caspian Sea, Aral Sea, Issyk‐Kul, Baikal, and Khovsgol (Fallah et al ; Mashroofeh et al ; Oughton et al ). Much of this pollution is thought to be a legacy of mining in the former Soviet Union.…”

Section: Metals and Emerging Contaminantsmentioning

confidence: 99%

“…Evidence of abrupt environmental change is captured in lake sediments dating back to the Pliocene , when surface Arctic temperatures may have exceeded modern values by as much as 198C (Ballantyne et al 2010;Csank et al 2011a,b). During the last interglacial period (MIS 5e), high-latitude temperatures peaked at 2-88C above those of the 20 th century (NGRIP-North Greenland Ice Core Project members 2004; CAPE-Last Interglacial Project Members 2006;Masson-Delmotte et al 2011;S anchez Goñi et al 2012; NEEM community members 2013), while the last glacial maximum (LGM) averaged 8-108C and in some locations > 178C cooler than the Holocene (Braconnot et al 2007;Shakun and Carlson 2010;Braconnot et al 2012). Additionally, ancient lakes have been subjected to abrupt decadal and centennial climate changes (e.g., Fritz et al 2010;Stager et al 2011) linked to Heinrich and Dansgaard-Oeschger (Hemming 2004;Capron et al 2010) including the last glacial-interglacial transition (LGIT) (Clark et al 2012).…”

Section: Climatological Historymentioning

confidence: 99%

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Recent ecological change in ancient lakes

Hampton

McGowan

Ozersky

et al. 2018

Limnology & Oceanography

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Ancient lakes are among the best archivists of past environmental change, having experienced more than one full glacial cycle, a wide range of climatic conditions, tectonic events, and long association with human settlements. These lakes not only record long histories of environmental variation and human activity in their sediments, but also harbor very high levels of biodiversity and endemism. Yet, ancient lakes are faced with a familiar suite of anthropogenic threats, which may degrade the unusual properties that make them especially valuable to science and society. In all ancient lakes for which data exist, significant warming of surface waters has occurred, with a broad range of consequences. Eutrophication threatens both native species assemblages and regional economies reliant on clean surface water, fisheries, and tourism. Where sewage contributes nutrients and heavy metals, one can anticipate the occurrence of less understood emerging contaminants, such as pharmaceuticals, personal care products, and microplastics that negatively affect lake biota and water quality. Human populations continue to increase in most of the ancient lakes’ watersheds, which will exacerbate these concerns. Further, human alterations of hydrology, including those produced through climate change, have altered lake levels. Co‐occurring with these impacts have been intentional and unintentional species introductions, altering biodiversity. Given that the distinctive character of each ancient lake is strongly linked to age, there may be few options to remediate losses of species or other ecosystem damage associated with modern ecological change, heightening the imperative for understanding these systems.

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Section: Metals and Emerging Contaminantsmentioning

confidence: 99%

Section: Climatological Historymentioning

confidence: 99%

Recent ecological change in ancient lakes

Hampton

McGowan

Ozersky

et al. 2018

Limnology & Oceanography

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“…Acipenser persicus is a more commercially important fish species, especially along Iranian coasts, feeding mainly on other fish and benthic invertebrates such as crabs and mollusks (Mashroofeh et al, 2012). This species constitutes almost 80% of the sturgeon stocks in Iran and provides >50% of Iranian caviar (Mashroofeh et al, 2012; Moghim et al, 2006). Like other sturgeons of the Caspian Sea, A. persicus is listed as an endangered species by the International Union for Conservation of Nature.…”

Section: Introductionmentioning

confidence: 99%

Microplastic Pollution in the Gastrointestinal Tract and Gills of Some Teleost and Sturgeon Fish from the Caspian Sea, Northern Iran

Rasta,

Khodadoust,

Rahimibashar

et al. 2023

Enviro Toxic and Chemistry

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The increasing microplastic (MP) pollution in the marine environment has raised global concern. The main risk of MPs in aquatic ecosystem is their bioaccumulation in aquatic organisms. While some studies reported MPs pollution in the digestive system of the Caspian Sea fish species, there is no research on sturgeon species, nor on fish gills. Here, we investigated the occurrence of MPs in the gastrointestinal tract (GIT) and gills of 62 specimens belonging to four species including three teleosts (Cyprinus carpio, Rutilus kutum and Chelon aurata) and one sturgeon (Acipenser persicus, a valuable endangered species) from the Caspian Sea between January and March 2022. Fish tissues were removed, exposed for 24 h to 10 % KOH and then dried on the filter papers. Particles were observed under stereomicroscope and analyzed by Raman micro‐spectrometry, SEM and EDS. A total of 91 MPs were detected in GIT (averaged 1.46 ± 1.17 items/individual) and 63 MPs in gills (averaged 1.01 ± 0.62 items/individual). There was not significant correlation between the number of MPs found in the both tissues and the fish body length, body weight, GIT weight and gill weight (P > 0.05), except between MPs isolated from gills and gill weight in C. carpio (rs = 0.707, P = 0.022). MPs abundance in the fish followed the order of A. persicus > C. aurata > R. kutum > C. carpio. MPs were found in the size range of 45−5000 µm and the particles with 300‒1000 µm in size were the most prevalent. MPs were common by fiber (74.68 %) in shape, red (30.53 %) in color and nylon (70.6 %) in polymer.

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“…Trace metals such as mercury (Hg) and lead (Pb) are non‐essential elements to all living organisms and exhibit toxic effects at low concentrations, whereas zinc (Zn) and copper (Cu) are biologically essential elements in organism nutrition and fulfill many biochemical functions in organism metabolism, and exhibit toxic effects at high concentrations . Both essential and non‐essential metals can be taken up or ingested by aquatic organisms and then accumulated in their tissues . Intervention in iron and zinc metabolism results from long‐term exposure to high levels of tin (Sn), which may cause different disorders such as anemia and liver disease .…”

Section: Introductionmentioning

confidence: 99%

Health Concerns Related to Consumption of Fish from Anzali Wetland

Salamat

Khalifi

Movahedinia

2015

CLEAN Soil Air Water

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Two hundred and forty fishes including Hypophthalmichthys molitrix, Silurus glanis, and Esox lucius (male and female) were collected from four sampling sites in Anzali wetland including Anzali, Khazarvila, Pirbazar, and Beshman through late April 2011. The potential health risk of Pb, Sn, and Zn to consumers was assessed by calculating the estimated daily intake, estimated weekly intake, hazard quotient, maximum allowable fish consumption rate, and monthly allowable consumption rate. In addition, the tissue structure of liver was studied in fish. Concentrations of Pb, Sn, Zn, Hg, Cu, and Ni were also measured in water and sediment. Based on the results, the accumulation and distribution patterns of metals in fish from different stations were as follows: Zn > Sn > Pb, H. molitrix < S. glanis ≤ E. lucius, and Khazarvila < Beshman ≤ Pirbazar ≤ Anzali, respectively. The distribution of metals in water and sediment showed the following pattern: Zn > Cu > Hg > Sn > Ni > Pb. Liver samples had a normal histological structure consisted of intersinusoidal hepatocyte cords and hepatic triad in all fish species collected from Pirbazar, Beshman, and Khazarvila stations. In contrast, tissue changes including melanomacrophage aggregations and hemorrhage were detected in S. glanis and E. lucius collected from Anzali station. In sum, the levels of permissible tolerable daily intake and permissible tolerable weekly intake for metals (Pb, Sn, and Zn) in all fish species were lower than the allowable limit defined by Joint FAO/WHO Committee; therefore, consumption of these fishes seems to be safe.

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Bioaccumulation of Zn, Cu and Mn in the Caviar and Muscle of Persian Sturgeon (Acipenser persicus) from the Caspian Sea, Iran

Cited by 10 publications

References 23 publications

Recent ecological change in ancient lakes

Recent ecological change in ancient lakes

Microplastic Pollution in the Gastrointestinal Tract and Gills of Some Teleost and Sturgeon Fish from the Caspian Sea, Northern Iran

Health Concerns Related to Consumption of Fish from Anzali Wetland

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