scholarly journals Heavy metals in wetland soils along a wetland-forming chronosequence in the Yellow River Delta of China: Levels, sources and toxic risks

2016 ◽  
Vol 69 ◽  
pp. 331-339 ◽  
Author(s):  
Guangliang Zhang ◽  
Junhong Bai ◽  
Qingqing Zhao ◽  
Qiongqiong Lu ◽  
Jia Jia ◽  
...  
2012 ◽  
Vol 610-613 ◽  
pp. 1028-1032
Author(s):  
Chen Huang ◽  
Jun Hong Bai ◽  
Jun Jing Wang ◽  
Qiong Qiong Lu ◽  
Qing Qing Zhao ◽  
...  

Spatial variability of soil nitrogen and phosphorus in the Yellow River Delta was investigated using geostatistical method. Our results showed moderate variation in TN and TP and high variations in NH4+-N and AP. The best semi-variogram model for each nutrient was identified. The model parameters suggested that the structure variance dominated the total variance of TN, TP and NH4+-N, while the spatial variability of AP was relatively random. The spatial variation scales of soil nitrogen and phosphorus are similar.


2011 ◽  
Vol 159 (5) ◽  
pp. 1297-1306 ◽  
Author(s):  
Baoshan Cui ◽  
Qijun Zhang ◽  
Kejiang Zhang ◽  
Xinhui Liu ◽  
Honggang Zhang

2016 ◽  
Vol 94 ◽  
pp. 329-336 ◽  
Author(s):  
Xianxiang Luo ◽  
Leyun Wang ◽  
Guocheng Liu ◽  
Xiao Wang ◽  
Zhenyu Wang ◽  
...  

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