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International Journal of Phytoremediation

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https://www.readbyqxmd.com/read/23819300/long-term-biomonitoring-of-soil-contamination-using-poplar-trees-accumulation-of-trace-elements-in-leaves-and-fruits
#1
P Madejón, L Ciadamidaro, T Marañón, J M Murillo
Phytostabilization aims to immobilize soil contaminants using higher plants. The accumulation of trace elements in Populus alba leaves was monitored for 12 years after a mine spill. Concentrations of As and Pb significantly decreased, while concentrations of Cd and Zn did not significantly over time. Soil concentrations extracted by CaCl2 were measured by ICP-OES and results of As and Pb were below the detection limit. Long-term biomonitoring of soil contamination using poplar leaves was proven to be better suited for the study of trace elements...
2013: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/23819298/copper-resistant-bacteria-enhance-plant-growth-and-copper-phytoextraction
#2
Renxiu Yang, Chunling Luo, Yahua Chen, Guiping Wang, Yue Xu, Zhenguo Shen
In this study, we investigated the role of rhizospheric bacteria in solubilizing soil copper (Cu) and promoting plant growth. The Cu-resistant bacterium DGS6 was isolated from a natural Cu-contaminated soil and was identified as Pseudomonas sp. DGS6. This isolate solubilized Cu in Cu-contaminated soil and stimulated root elongation of maize and sunflower. Maize was more sensitive to inoculation with DGS6 than was sunflower and exhibited greater root elongation. In pot experiment, inoculation with DGS6 increased the shoot dry weight of maize by 49% and sunflower by 34%, and increased the root dry weight of maize by 85% and sunflower by 45%...
2013: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/23819279/diversity-of-the-chlorite-dismutase-gene-in-low-and-high-organic-carbon-rhizosphere-soil-colonized-by-perchlorate-reducing-bacteria
#3
Garrett C Struckhoff, Joshua A Livermore, Gene F Parkin
Chlorite dismutase (cld) is an essential enzyme in the biodegradation of perchlorate. The objective of this study was to determine the change in sequence diversity of the cld gene, and universal bacterial 16S rRNA genes, in soil samples under varying conditions of organic carbon, bioaugmentation, and plant influence. The cld gene diversity was not different between high organic carbon (HOC) and low organic carbon (LOC) soil. Combining results from HOC and LOC soil, diversity of the cld gene was decreased in soil that had been bioaugmented or planted...
2013: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/23288679/conservation-and-ecofriendly-utilization-of-wetlands-associated-with-the-three-gorges-reservoir
#4
J H Martin Willison, Ruoxi Li, Xingzhong Yuan
The Three Gorges Dam on the Yangtze River in China has created a major reservoir in which the water level fluctuates annually by about 30 m, generating a drawdown zone of up to 350 km(2) in summer. Since construction of the dam, there has been scientific and public interest in how to use the drawdown zone resources in environmentally sustainable ways. To this end, and with government support, an international conference was held in Chongqing Municipality (China) in October 2011 on the subject of conservation and ecofriendly utilization of wetlands in the Three Gorges Reservoir...
October 2013: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/21181339/a-60-year-journey-of-mycorrhizal-research-in-china-past-present-and-future-directions
#5
REVIEW
Xinhua He, Yinghua Duan, Yinglong Chen, Minggang Xu
The significance of mycorrhizas (fungal roots in 90% of land plants) in plant nutrient acquisition and growth, element biogeochemical cycling and maintaining of terrestrial ecosystem structures has been globally established for more than 120 years. Great progress in mycorrhizal research in the past 60 years (1950-2009, 1981-2009 in particular) has also been made across China, particularly in the mainland, Hong Kong and Taiwan. For instance, a total of 20 new and approximately 120 records of arbuscular mycorrhizal (AM) fungal species, 30 new and approximately 800 records of ectomycorrhizal (EM) fungal species, a dozen of new and approximately 100 records of orchid mycorrhizal (OM) fungal species have been isolated by morphological observation and/or molecular identification in China since the 1950s...
December 2010: Science China. Life Sciences
https://www.readbyqxmd.com/read/12846382/heavy-metal-pollution-in-china-origin-pattern-and-control
#6
REVIEW
Shuiping Cheng
GOAL, SCOPE AND BACKGROUND: Heavy metal is among one of the pollutants, which cause severe threats to humans and the environment in China. The aim of the present review is to make information on the source of heavy metal pollution, distribution of heavy metals in the environment, and measures of pollution control accessible internationally, which are mostly published in Chinese. METHODS: Information from scientific journals, university journals and governmental releases are compiled focusing mainly on Cd, Cu, Pb and Zn...
2003: Environmental Science and Pollution Research International
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