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首页> 外文期刊>Indian Journal of Science and Technology >Analysis of Heavy Metals Accumulation in Mangroves and Associated mangroves Species of Ennore Mangrove Ecosystem, East Coast India
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Analysis of Heavy Metals Accumulation in Mangroves and Associated mangroves Species of Ennore Mangrove Ecosystem, East Coast India

机译：印度东海岸Ennore红树林生态系统的红树林及相关红树林物种中的重金属累积分析

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Background/Objectives: This study is to collect the samples of true mangrove plant, associated mangrove plants, water and sediments from Ennore Mangrove Ecosystem and the samples are analyzed for heavy metals accumulation. Methods/ Statistical Analysis: The water, sediment and plant materials were collected at 6 locations. After the collection, the plant materials were washed with distilled water and they were dried and acid digested. Further the samples were subjected to analysis of heavy metals by flame atomic absorption spectrophotometer. Triplicate samples were analyzed and their results were expressed in ppm. The statistical analysis ANOVA (Analysis of Variance) and DMRT (Duncan Multiple Range Test) were used. Findings: The maximum concentrations of metals were accumulated (lead-20.93±0.26 ppm/l in water and 48.5±1.44 ppm/g in sediments) in station 4, 5 and minimum concentration (zinc -2.95±0.25 ppm/l in water and 4.36±0.10 ppm/g in sediment) was observed in station 5. In overall average accumulation of heavy metals like Pb (6.09±4.59 ppm/g) > Zn (4.35±3.22 ppm/g) > Cd (3.78±2.80 ppm/g) > Hg (2.84 ± 2.70 ppm/g) > Cr (2.76±2.90 ppm/g) > Cu (0.58 ±0.42 ppm/g) found in the Avicennia marina followed by Pb (4.19±3.13 ppm/g) > Zn (4.12±3.32 ppm/g) > Cd (3.78±2.79 ppm/g) Cr (2.47±1.91 ppm/g) Hg (1.89±1.61ppm/g) > Cu (1.27±1.20 ppm/g) in the Suaeda nudiflora and Pb (4.39±3.23 ppm/g) > Zn (3.77±2.99 ppm/g) > Cd (2.39±1.86 ppm/g) > Cr (1.75±1.34 ppm/g) Hg (0.76±0.74 ppm/g) > Cu (0.50±0.40 ppm/g) in the Sesuvium portulacastrum. The metal concentration of the water and sediments were significantly (p<0.05) varied and in plants, lead (Pb) were significantly varied (p<0.05) between selected plants parts then the other metals like Hg, Cr, Cd, Cu and Zn were not significant. Application/Improvements: Heavy metals contamination was observed in all samples. The mangroves accumulated more concentration than associated mangroves, therefore the Avicennia marina is suitable candidate for bioaccumulator and recommended for phytoremediation.
机译：背景/目的：本研究旨在从恩诺尔红树林生态系统中收集真正的红树林植物，相关的红树林植物，水和沉积物的样本，并对样本中的重金属积累进行分析。方法/统计分析：在6个地点收集了水，沉积物和植物材料。收集后，将植物材料用蒸馏水洗涤，将其干燥并酸消化。此外，通过火焰原子吸收分光光度计对样品进行重金属分析。分析一式三份的样品，其结果以ppm表示。使用统计分析ANOVA（方差分析）和DMRT（邓肯多范围检验）。结果：在第4、5站累积了最大浓度的金属（水中铅20.93±0.26 ppm / l，沉积物中铅48.5±1.44 ppm / g），最小浓度（水中锌-2.95±0.25 ppm / l）在第5站观测到了4.36±0.10 ppm / g的沉积物。在重金属的总体平均积累中，如Pb（6.09±4.59 ppm / g）> Zn（4.35±3.22 ppm / g）> Cd（3.78±2.80 ppm / g）>在Avicennia滨海中发现的Hg（2.84±2.70 ppm / g）> Cr（2.76±2.90 ppm / g）> Cu（0.58±0.42 ppm / g）> Pb（4.19±3.13 ppm / g）> Zn （4.12±3.32 ppm / g）> Cd（3.78±2.79 ppm / g）Cr（2.47±1.91 ppm / g）Hg（1.89±1.61ppm / g）> Cu（1.27±1.20 ppm / g）铅（4.39±3.23 ppm / g）>锌（3.77±2.99 ppm / g）>镉（2.39±1.86 ppm / g）>铬（1.75±1.34 ppm / g）汞（0.76±0.74 ppm / g）>东南葡萄球菌中的铜（0.50±0.40 ppm / g）。所选植物部位之间的水和沉积物的金属浓度差异显着（p <0.05），植物中铅（Pb）差异显着（p <0.05），然后其他金属如汞，铬，镉，铜和锌不重要。应用/改进：在所有样品中均观察到重金属污染。红树林比相关的红树林积聚了更多的浓度，因此，Avicennia滨海区是生物蓄积的合适候选者，建议用于植物修复。

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