Distributions of and Correlations between Cd, Cr, and Hg Concentrations in Suspended Particles and Sediment in Aquaculture Ponds and in Cirrhinus molitorella Tissues
ABSTRACT A total of 204 Cirrhinus molitorella at a stocking density of 7 individuals/m3were equally divided between three closed rectangular concrete ponds(4 m × 2 m × 1.6 m; water depth 1.2 m) with dissolved oxygen concentrations above 5.2 ± 0.3 mg/l, and pH 6.5-8.1. Water flow in the ponds was poo...
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| Veröffentlicht in: | Pakistan journal of zoology 2020-10, Vol.52 (5), p.1735 |
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| creator | Lv, Min Gan, Hui Ruan, Zhide Yang, Huizan Wang, Rui Shafique, Laiba Naz, Huma Ma, Huawei |
| description | ABSTRACT A total of 204 Cirrhinus molitorella at a stocking density of 7 individuals/m3were equally divided between three closed rectangular concrete ponds(4 m × 2 m × 1.6 m; water depth 1.2 m) with dissolved oxygen concentrations above 5.2 ± 0.3 mg/l, and pH 6.5-8.1. Water flow in the ponds was poor. The amount of feed increased from 0.81 ± 0.35 to 13.42 ± 1.89 g/fish-day throughout the experiment. Samples were collected between mid-March and October 2016, and we monitored the Cd, Cr, and Hg concentrations in gills, large intestines, small intestines, intestine contents, longitudinal muscles, and body wall, and in suspended particles and sediment in the ponds. The effect of fish growth on metal concentrations was determined. Simultaneously, the correlations between heavy metal concentrations in suspended particles, sediment, and fish body wall were assessed. The Cd, Cr, and Hg concentrations in large intestines, small intestines, and intestine contents increased over time as feed application increased, and were significantly higher in intestines than in other tissues. The Cd, Cr, and Hg concentrations in suspended particles and sediment increased significantly as time elapsed and feed increased. The Cd, Cr, and Hg concentrations in the intestinal systems increased as fish grew. Strong correlations were found between heavy metal concentrations in the intestine contents and suspended particles; intestine contents and sediment; and suspended particles and sediment, but correlations with concentrations in the body wall and other substances were weak. Positive relationships between feed provided and metal accumulation resulted from uncontrolled feeding. Poor water flow allowed unconsumed feed containing metals to supply suspended particles containing metals; these enriched the sediment and ultimately supplied metals to the fish.The results provide reference data for developing C. molitorella eco-aquaculture systems. |
| doi_str_mv | 10.17582/JOURNAL.PJZ/20190317200334 |
| format | Article |
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Water flow in the ponds was poor. The amount of feed increased from 0.81 ± 0.35 to 13.42 ± 1.89 g/fish-day throughout the experiment. Samples were collected between mid-March and October 2016, and we monitored the Cd, Cr, and Hg concentrations in gills, large intestines, small intestines, intestine contents, longitudinal muscles, and body wall, and in suspended particles and sediment in the ponds. The effect of fish growth on metal concentrations was determined. Simultaneously, the correlations between heavy metal concentrations in suspended particles, sediment, and fish body wall were assessed. The Cd, Cr, and Hg concentrations in large intestines, small intestines, and intestine contents increased over time as feed application increased, and were significantly higher in intestines than in other tissues. The Cd, Cr, and Hg concentrations in suspended particles and sediment increased significantly as time elapsed and feed increased. The Cd, Cr, and Hg concentrations in the intestinal systems increased as fish grew. Strong correlations were found between heavy metal concentrations in the intestine contents and suspended particles; intestine contents and sediment; and suspended particles and sediment, but correlations with concentrations in the body wall and other substances were weak. Positive relationships between feed provided and metal accumulation resulted from uncontrolled feeding. Poor water flow allowed unconsumed feed containing metals to supply suspended particles containing metals; these enriched the sediment and ultimately supplied metals to the fish.The results provide reference data for developing C. molitorella eco-aquaculture systems.</description><identifier>ISSN: 0030-9923</identifier><identifier>DOI: 10.17582/JOURNAL.PJZ/20190317200334</identifier><language>eng</language><publisher>Lahore: Knowledge Bylanes</publisher><subject>Analysis ; Aquaculture ; Bioaccumulation ; Body wall ; Cadmium ; Cellulose ; Chromium ; Cirrhinus molitorella ; Composition ; Correlation ; Cyprinidae ; Dissolved oxygen ; Distribution ; Environmental aspects ; Experiments ; Farms ; Feeds ; Fish ; Food and nutrition ; Food safety ; Gills ; Growth ; Heavy metal content ; Heavy metals ; Intestine ; Mercury ; Metal concentrations ; Muscles ; Physiological aspects ; Ponds ; Proteins ; Sediments ; Sediments (Geology) ; Temperature ; Water depth ; Water flow ; Water quality</subject><ispartof>Pakistan journal of zoology, 2020-10, Vol.52 (5), p.1735</ispartof><rights>COPYRIGHT 2020 Knowledge Bylanes</rights><rights>(c)2020 Pakistan Journal of Zoology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-b6673d67e60ba417c1188f202329bc1e775519543a6a80a31bb0e5580f77f9cc3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Lv, Min</creatorcontrib><creatorcontrib>Gan, Hui</creatorcontrib><creatorcontrib>Ruan, Zhide</creatorcontrib><creatorcontrib>Yang, Huizan</creatorcontrib><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Shafique, Laiba</creatorcontrib><creatorcontrib>Naz, Huma</creatorcontrib><creatorcontrib>Ma, Huawei</creatorcontrib><title>Distributions of and Correlations between Cd, Cr, and Hg Concentrations in Suspended Particles and Sediment in Aquaculture Ponds and in Cirrhinus molitorella Tissues</title><title>Pakistan journal of zoology</title><description>ABSTRACT A total of 204 Cirrhinus molitorella at a stocking density of 7 individuals/m3were equally divided between three closed rectangular concrete ponds(4 m × 2 m × 1.6 m; water depth 1.2 m) with dissolved oxygen concentrations above 5.2 ± 0.3 mg/l, and pH 6.5-8.1. Water flow in the ponds was poor. The amount of feed increased from 0.81 ± 0.35 to 13.42 ± 1.89 g/fish-day throughout the experiment. Samples were collected between mid-March and October 2016, and we monitored the Cd, Cr, and Hg concentrations in gills, large intestines, small intestines, intestine contents, longitudinal muscles, and body wall, and in suspended particles and sediment in the ponds. The effect of fish growth on metal concentrations was determined. Simultaneously, the correlations between heavy metal concentrations in suspended particles, sediment, and fish body wall were assessed. The Cd, Cr, and Hg concentrations in large intestines, small intestines, and intestine contents increased over time as feed application increased, and were significantly higher in intestines than in other tissues. The Cd, Cr, and Hg concentrations in suspended particles and sediment increased significantly as time elapsed and feed increased. The Cd, Cr, and Hg concentrations in the intestinal systems increased as fish grew. Strong correlations were found between heavy metal concentrations in the intestine contents and suspended particles; intestine contents and sediment; and suspended particles and sediment, but correlations with concentrations in the body wall and other substances were weak. Positive relationships between feed provided and metal accumulation resulted from uncontrolled feeding. 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Gan, Hui ; Ruan, Zhide ; Yang, Huizan ; Wang, Rui ; Shafique, Laiba ; Naz, Huma ; Ma, Huawei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-b6673d67e60ba417c1188f202329bc1e775519543a6a80a31bb0e5580f77f9cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Analysis</topic><topic>Aquaculture</topic><topic>Bioaccumulation</topic><topic>Body wall</topic><topic>Cadmium</topic><topic>Cellulose</topic><topic>Chromium</topic><topic>Cirrhinus molitorella</topic><topic>Composition</topic><topic>Correlation</topic><topic>Cyprinidae</topic><topic>Dissolved oxygen</topic><topic>Distribution</topic><topic>Environmental aspects</topic><topic>Experiments</topic><topic>Farms</topic><topic>Feeds</topic><topic>Fish</topic><topic>Food and nutrition</topic><topic>Food safety</topic><topic>Gills</topic><topic>Growth</topic><topic>Heavy metal content</topic><topic>Heavy metals</topic><topic>Intestine</topic><topic>Mercury</topic><topic>Metal concentrations</topic><topic>Muscles</topic><topic>Physiological aspects</topic><topic>Ponds</topic><topic>Proteins</topic><topic>Sediments</topic><topic>Sediments (Geology)</topic><topic>Temperature</topic><topic>Water depth</topic><topic>Water flow</topic><topic>Water quality</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lv, Min</creatorcontrib><creatorcontrib>Gan, Hui</creatorcontrib><creatorcontrib>Ruan, Zhide</creatorcontrib><creatorcontrib>Yang, Huizan</creatorcontrib><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Shafique, Laiba</creatorcontrib><creatorcontrib>Naz, Huma</creatorcontrib><creatorcontrib>Ma, Huawei</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><jtitle>Pakistan journal of zoology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lv, Min</au><au>Gan, Hui</au><au>Ruan, Zhide</au><au>Yang, Huizan</au><au>Wang, Rui</au><au>Shafique, Laiba</au><au>Naz, Huma</au><au>Ma, Huawei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distributions of and Correlations between Cd, Cr, and Hg Concentrations in Suspended Particles and Sediment in Aquaculture Ponds and in Cirrhinus molitorella Tissues</atitle><jtitle>Pakistan journal of zoology</jtitle><date>2020-10-31</date><risdate>2020</risdate><volume>52</volume><issue>5</issue><spage>1735</spage><pages>1735-</pages><issn>0030-9923</issn><abstract>ABSTRACT A total of 204 Cirrhinus molitorella at a stocking density of 7 individuals/m3were equally divided between three closed rectangular concrete ponds(4 m × 2 m × 1.6 m; water depth 1.2 m) with dissolved oxygen concentrations above 5.2 ± 0.3 mg/l, and pH 6.5-8.1. Water flow in the ponds was poor. The amount of feed increased from 0.81 ± 0.35 to 13.42 ± 1.89 g/fish-day throughout the experiment. Samples were collected between mid-March and October 2016, and we monitored the Cd, Cr, and Hg concentrations in gills, large intestines, small intestines, intestine contents, longitudinal muscles, and body wall, and in suspended particles and sediment in the ponds. The effect of fish growth on metal concentrations was determined. Simultaneously, the correlations between heavy metal concentrations in suspended particles, sediment, and fish body wall were assessed. The Cd, Cr, and Hg concentrations in large intestines, small intestines, and intestine contents increased over time as feed application increased, and were significantly higher in intestines than in other tissues. The Cd, Cr, and Hg concentrations in suspended particles and sediment increased significantly as time elapsed and feed increased. The Cd, Cr, and Hg concentrations in the intestinal systems increased as fish grew. Strong correlations were found between heavy metal concentrations in the intestine contents and suspended particles; intestine contents and sediment; and suspended particles and sediment, but correlations with concentrations in the body wall and other substances were weak. Positive relationships between feed provided and metal accumulation resulted from uncontrolled feeding. Poor water flow allowed unconsumed feed containing metals to supply suspended particles containing metals; these enriched the sediment and ultimately supplied metals to the fish.The results provide reference data for developing C. molitorella eco-aquaculture systems.</abstract><cop>Lahore</cop><pub>Knowledge Bylanes</pub><doi>10.17582/JOURNAL.PJZ/20190317200334</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Aquaculture Bioaccumulation Body wall Cadmium Cellulose Chromium Cirrhinus molitorella Composition Correlation Cyprinidae Dissolved oxygen Distribution Environmental aspects Experiments Farms Feeds Fish Food and nutrition Food safety Gills Growth Heavy metal content Heavy metals Intestine Mercury Metal concentrations Muscles Physiological aspects Ponds Proteins Sediments Sediments (Geology) Temperature Water depth Water flow Water quality |
| title | Distributions of and Correlations between Cd, Cr, and Hg Concentrations in Suspended Particles and Sediment in Aquaculture Ponds and in Cirrhinus molitorella Tissues |
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