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Unraveling the toxic heavy metals accumulation in body profile of Cattle egret (Bulbus ibis) for the implication of environmental monitoring: a case of Punjab Province, Pakistan
* 1 , 2
1  College of Forestry, Fujian Agriculture and Forestry University Fuzhou, China
2  Department of Forestry & Range Management, Faculty of Agriculture, UAF
Academic Editor: Daniel Real

Abstract:

Heavy metals accumulation in the ecosystem can have potentially toxic effects and is one of the most prominent consequences of anthropogenic developments, which threaten biodiversity and environment. Industrial effluents and urban waste contain a large number of heavy metals (Cadmium, Lead, Copper, Zinc) highly toxic to the biological system. The present study investigated the status of heavy metals, including Zinc (Zn), Manganese (Mn), Lead (Pb), Copper (Cu), Cadmium (Cd), and Cobalt (Co), in the bones, feathers, hearts, muscles, and lungs of the cattle egret (Bubulcus ibis). Samples of the cattle egret were collected from the Faisalabad division with the help of the concerned wildlife department. Heavy metals were assessed using atomic absorption spectrophotometry and the protocols supplied by Perkin-Elmers Corp. The results revealed that trend of heavy metals in bones was Zn>Pb>Cu>Mn>Cd>Co, and the same trend was followed in the case of feathers and hearts. However, the trend of heavy metals in muscles and lungs was in the order Zn>Mn>Cu>Co>Cd. Heavy metals were present in the bones, feathers, hearts, muscles, and lungs of the cattle egret. The contamination levels were ascertained from the study, which indicated that the cattle egret is useful in biomonitoring heavy metals. The present study will serve as baseline data that could be further compared with data from other locations for monitoring heavy metal pollution. These investigations will be helpful for assessing heavy metal accumulation under semi-arid climates.

Keywords: Heavy metals, toxic effects, industrial effluents, cattle egret, bio monitoring

 
 
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