Heavy metal accumulation in the leaves of Potamogeton natans and Ceratophyllum demersum in a Himalayan RAMSAR site: management implications

被引：26

作者：

Ahmad, Syed Shakeel ^{[1
]}

Reshi, Zafar A. ^{[1
]}

Shah, Manzoor A. ^{[1
]}

Rashid, Irfan ^{[1
]}

Ara, Roshan ^{[1
]}

Andrabi, Syed M. A. ^{[2
]}

机构：

[1] Univ Kashmir, Dept Bot, Srinagar 190006, Jammu & Kashmir, India

[2] Univ Kashmir, Univ Sci Instrumentat Ctr, Srinagar 190006, Jammu & Kashmir, India

来源：

WETLANDS ECOLOGY AND MANAGEMENT | 2016年 / 24卷 / 04期

关键词：

Accumulator; Ceratophyllum demersum; Heavy metal; Potamogeton natans; Wetland; AQUATIC MACROPHYTES; PHRAGMITES-AUSTRALIS; MINE DRAINAGE; REMOVAL; WATER; PHYTOREMEDIATION; VEGETATION; TOXICITY; CHROMIUM; COONTAIL;

D O I：

10.1007/s11273-015-9472-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Heavy metals have detrimental impacts on the health of organisms including human beings. Wetlands are economical, natural alternatives for the removal of heavy metals from the environment and macrophytes play a pivotal role in this direction, though they vary in their potential to do so. Heavy metal accumulation capability of two dominant species (Ceratophyllum demersum and Potamogeton natans) in a Kashmir Himalayan Ramsar site was studied. The accumulation of the different metals in P. natans was in the order of Al > Mn > Pb > Cu > Zn > Ni > Co > Cr > Cd, while in C. demersum it was Al > Mn > Zn > Co > Cu > Pb > Cr > Ni > Cd. In C. demersum the highest bioconcentration factor (BCF) was obtained for Co (3616) and Mn (3589) while in P. natans the highest BCF corresponded to Cd (1027). Overall Potamogeton-Ceratophyllum combination may provide a useful mix for Co, Mn and Cd removal from contaminated sites. The management implications of these results are briefly discussed.

引用

页码：469 / 475

页数：7

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