Edet AE, Offiong OE (2002) Evaluation of water quality pollution indices for heavy metal
contamination monitoring. A study case from Akpabuyo-Odukpani area, Lower Cross River
Basin (southeastern Nigeria). Geo J 57:295–304
El-Amier YA, El-Alfy MA, Nofa MM (2018) Macrophytes potential for removal of heavy metals
from aquatic ecosystem, Egypt: using metal accumulation index (MAI). Plant Arch 18
(2):2131–2144
Erakhrumen AA (2017) Phytoremediation: an environmentally sound technology for pollution
prevention, control and remediation in developing countries. Educ Res Rev 2:151–156
Farnese FS, Oliveira JA, Lima FS, Leao GA, Gusman GS, Silva LC (2014) Evaluation of the
potential of Pistia stratiotes L. (water lettuce) for bioindication and phytoremediation of aquatic
environments contaminated with arsenic. Braz J Biol 74(3–1):37–49
Fazal A, Mustafa HSB, Hasan E, Anwar M, Tahir MHN and Sadaqat HA (2015) Inter relationship
and path coefficient analysis among yield and yield related traits in sesame (Sesamum indicum
L.). Nature Sci 13:27–32.
Freeman JL, Persans MW, Nieman K, Albrecht C, Peer W, Pickering IJ, Salt DE (2004) Increased
glutathione biosynthesis plays a role in nickel tolerance in Thlaspi nickel hyperaccumulators.
Plant Cell 16:2176–2191
Gajewska E, Skłodowska M (2007) Differential biochemical responses of wheat shoots and roots to
nickel stress: antioxidative reactions and proline accumulation. Plant Growth Regul 54:179–188
Guerinot ML (2000) The ZIP family of metal transporters. Biochem Biophys Acta Biomem
1465:190–198
Hall JL (2002) Cellular mechanisms for heavy metal detoxification and tolerance. J Exp Bot 53
(366):1–11
Harada E, Kim JA, Meyer AJ, Hell R, Clemens S, Choi YE (2010) Expression profiling of tobacco
leaf trichomes identifies genes for biotic and abiotic stresses. Plant Cell Physiol 51
(10):1627–1637
Harguinteguy CA, Cirelli AF, Pignata ML (2014) Heavy metal accumulation in leaves of aquatic
plant Stuckenia filiformis and its relationship with sediment and water in the Suquía river
(Argentina). Microchem J 114:111–118
Hasan SH, Talat M, Rai S (2007) Sorption of cadmium and zinc from aqueous solutions by water
hyacinth (Eichchornia crassipes). Bioresour Technol 98:918–928
Huang Z, Liu C, Zhao X, Dong J, Zheng B (2020) Risk assessment of heavy metals in the surface
sediment at the drinking water source of the Xiangjiang River in South China. Environ Sci Eur
32:1–9
Hughes HB, Shanks J, Vanderford M, Lauitzen J, Bhadra R (1997) Transformation of TNT by
aquatic plants and plant tissue cultures. Environ Sci Technol 31:266–271
Idris AM (2008) Combining multivariate analysis and geochemical approaches for assessing heavy
metal level in sediments from Sudanese harbours along the Red Sea coast. Microchem J 90
(2):159–163
Jain AK, West TO, Yang X, Post WM (2005) Assessing the impact of changes in climate and CO2
on potential carbon sequestration in agricultural soils. Geophys Res Lett 32:1–4. https://doi.org/
10.1029/2005GL023922. issn: 0094-8276
John R, Ahmad P, Gadgil K, Sharma S (2008) Effect of cadmium and lead on growth, biochemical
parameters and uptake in Lemna polyrrhiza L. Plant Soil Environ 54(6):262–270
Karami A, Shamsuddin ZH (2010) Phytoremediation of heavy metals with several efficiency
enhancer methods. Afr J Biotechnol 9:3689–3698
Kadukin AI, Krasintseva VV, Romanova GI, Tarasenko LV (1982) Concentration of Iron, Manganese, Zinc, Copper and Chromium in Some Aquatic Plants. Hydrobiol J 18:64–67
Khellaf N, Zerdaoui M (2010) Growth response of the duckweed Lemna gibba L. to copper and
nickel phytoaccumulation. Ecotoxicology 19:1363–1368
King J, Brown C (2010) Integrated basin flow assessments: concepts and method development in
Africa and South-east Asia. Freshw Biol 55:127–146
Kumar U, Asija MJ (2009) Biodiversity: principle and conservation. Vedams eBooks, New Delhi
15 Potential of Free Floating Macrophytes for Bioremediation of Heavy Metals. . .
333
contamination monitoring. A study case from Akpabuyo-Odukpani area, Lower Cross River
Basin (southeastern Nigeria). Geo J 57:295–304
El-Amier YA, El-Alfy MA, Nofa MM (2018) Macrophytes potential for removal of heavy metals
from aquatic ecosystem, Egypt: using metal accumulation index (MAI). Plant Arch 18
(2):2131–2144
Erakhrumen AA (2017) Phytoremediation: an environmentally sound technology for pollution
prevention, control and remediation in developing countries. Educ Res Rev 2:151–156
Farnese FS, Oliveira JA, Lima FS, Leao GA, Gusman GS, Silva LC (2014) Evaluation of the
potential of Pistia stratiotes L. (water lettuce) for bioindication and phytoremediation of aquatic
environments contaminated with arsenic. Braz J Biol 74(3–1):37–49
Fazal A, Mustafa HSB, Hasan E, Anwar M, Tahir MHN and Sadaqat HA (2015) Inter relationship
and path coefficient analysis among yield and yield related traits in sesame (Sesamum indicum
L.). Nature Sci 13:27–32.
Freeman JL, Persans MW, Nieman K, Albrecht C, Peer W, Pickering IJ, Salt DE (2004) Increased
glutathione biosynthesis plays a role in nickel tolerance in Thlaspi nickel hyperaccumulators.
Plant Cell 16:2176–2191
Gajewska E, Skłodowska M (2007) Differential biochemical responses of wheat shoots and roots to
nickel stress: antioxidative reactions and proline accumulation. Plant Growth Regul 54:179–188
Guerinot ML (2000) The ZIP family of metal transporters. Biochem Biophys Acta Biomem
1465:190–198
Hall JL (2002) Cellular mechanisms for heavy metal detoxification and tolerance. J Exp Bot 53
(366):1–11
Harada E, Kim JA, Meyer AJ, Hell R, Clemens S, Choi YE (2010) Expression profiling of tobacco
leaf trichomes identifies genes for biotic and abiotic stresses. Plant Cell Physiol 51
(10):1627–1637
Harguinteguy CA, Cirelli AF, Pignata ML (2014) Heavy metal accumulation in leaves of aquatic
plant Stuckenia filiformis and its relationship with sediment and water in the Suquía river
(Argentina). Microchem J 114:111–118
Hasan SH, Talat M, Rai S (2007) Sorption of cadmium and zinc from aqueous solutions by water
hyacinth (Eichchornia crassipes). Bioresour Technol 98:918–928
Huang Z, Liu C, Zhao X, Dong J, Zheng B (2020) Risk assessment of heavy metals in the surface
sediment at the drinking water source of the Xiangjiang River in South China. Environ Sci Eur
32:1–9
Hughes HB, Shanks J, Vanderford M, Lauitzen J, Bhadra R (1997) Transformation of TNT by
aquatic plants and plant tissue cultures. Environ Sci Technol 31:266–271
Idris AM (2008) Combining multivariate analysis and geochemical approaches for assessing heavy
metal level in sediments from Sudanese harbours along the Red Sea coast. Microchem J 90
(2):159–163
Jain AK, West TO, Yang X, Post WM (2005) Assessing the impact of changes in climate and CO2
on potential carbon sequestration in agricultural soils. Geophys Res Lett 32:1–4. https://doi.org/
10.1029/2005GL023922. issn: 0094-8276
John R, Ahmad P, Gadgil K, Sharma S (2008) Effect of cadmium and lead on growth, biochemical
parameters and uptake in Lemna polyrrhiza L. Plant Soil Environ 54(6):262–270
Karami A, Shamsuddin ZH (2010) Phytoremediation of heavy metals with several efficiency
enhancer methods. Afr J Biotechnol 9:3689–3698
Kadukin AI, Krasintseva VV, Romanova GI, Tarasenko LV (1982) Concentration of Iron, Manganese, Zinc, Copper and Chromium in Some Aquatic Plants. Hydrobiol J 18:64–67
Khellaf N, Zerdaoui M (2010) Growth response of the duckweed Lemna gibba L. to copper and
nickel phytoaccumulation. Ecotoxicology 19:1363–1368
King J, Brown C (2010) Integrated basin flow assessments: concepts and method development in
Africa and South-east Asia. Freshw Biol 55:127–146
Kumar U, Asija MJ (2009) Biodiversity: principle and conservation. Vedams eBooks, New Delhi
15 Potential of Free Floating Macrophytes for Bioremediation of Heavy Metals. . .
333