Four field investigations and in-lab simulation experiments were carried out respectively in October 2008
May and August 2009
August 2010 in the wetlands of Yellow River estuary.Dynamic distribution and influencing factors of phosphorus contents in soil were studied and results showed that:Phosphorus contents in soil of agriculture area were higher than those of in natural wetlands.Horizontal and vertical variations of total phosphorus(hereinafter abbr.as TP)contents were relatively insignificant