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Assessment of Heavy Metals Pollution in Noyyal and Chinnar Rivers, Western Ghats of Tamil Nadu, India with Reference to Crabs (Gecarcinucidae)-A Baseline Study.
Bulletin of Environmental Contamination and Toxicology ( IF 2.7 ) Pub Date : 2020-09-24 , DOI: 10.1007/s00128-020-02986-8
V Gayathri 1 , T Muralisankar 1 , R Rajaram 2 , M Muniasamy 3 , P Santhanam 4
Affiliation  

In the present study, heavy metals (Cd, Cu, Pb, and Zn) level in the water, sediment, and crabs were analyzed from Noyyal and Chinnar Rivers of the Western Ghats in Tamil Nadu, India. Based on our results, Noyyal River is considered as polluted environment due to the discharge of contaminants by various anthropogenic activities, whereas, Chinnar River maintained as unpolluted one due to its tributary nature of Noyyal River located in Western Ghats hills. The results showed that the heavy metals in water and sediments were higher in Noyyal River. Also, the level of bioaccumulation of studied metals and biochemical constituents were higher in the crab Spiralothelphusa hydrodroma sampled from Noyyal River than Barytelphusa cunicularis collected from Chinnar River. The present findings revealed that the crab sampled from Noyyal River had elevated heavy metals which lead to a significant increase in biochemical constituents to overcome the stress.



中文翻译:

参考螃蟹(Gecarcinucidae)对印度泰米尔纳德邦西高止山脉的Noyyal和Chinnar河中的重金属污染进行评估-基线研究。

在本研究中,分析了印度泰米尔纳德邦西高止山脉的Noyyal河和Chinnar河中水,沉积物和螃蟹中的重金属(Cd,Cu,Pb和Zn)水平。根据我们的结果,由于各种人为活动排放的污染物,诺亚尔河被认为是污染的环境,而钦纳尔河由于位于西高止山脉的诺亚尔河的支流性质而被保持为未污染的环境。结果表明,诺亚尔河水和沉积物中的重金属含量较高。另外,从诺伊亚尔河采样的蟹螺旋藻水生动物中所研究的金属和生化成分的生物蓄积水平要高于裸Bar鱼。从钦纳尔河收集。目前的发现表明,从Noyyal河采样的螃蟹中的重金属含量升高,从而导致生化成分的显着增加以克服压力。

更新日期:2020-09-24
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