Dynamic Distribution and Influence Factors of Soil Phosphorus in Yellow River Estuary Wetland

LUO Xian-xiang; DUN Meng

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Dynamic Distribution and Influence Factors of Soil Phosphorus in Yellow River Estuary Wetland

更新时间：2024-11-07

- Dynamic Distribution and Influence Factors of Soil Phosphorus in Yellow River Estuary Wetland
- Vol. 25, Issue 5, (2011)
- 作者机构：
  
  1. 中国海洋大学环境科学与工程学院
  2. 中国海洋大学海洋环境与生态教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LUO Xian-xiang, DUN Meng. Dynamic Distribution and Influence Factors of Soil Phosphorus in Yellow River Estuary Wetland[J]. 2011, 25(5).
DOI：

LUO Xian-xiang, DUN Meng. Dynamic Distribution and Influence Factors of Soil Phosphorus in Yellow River Estuary Wetland[J]. 2011, 25(5). DOI：

摘要

以黄河口湿地为研究对象

对2008年10月、2009年5月和8月、2010年8月4次野外调查所获取的样品进行室内分析

研究土壤磷素的时空分布特征

并分析土壤理化性质、植被及微生物对磷素分布的影响。结果表明:农业种植区表层土壤全磷(TP)、有效磷(Olsen-P)含量均高于自然湿地的。自然湿地土壤全磷水平和垂直分异均较小

变幅分别为429.19～693.30mg/kg

408.55～663.03mg/kg;有效磷含量水平和垂直分异均较大

变幅分别为0.27～13.48mg/kg

0.08～9.57mg/kg

研究区有效磷含量处于四级及以下水平。土壤全磷水平和垂直方向季节动态变化幅度很小

变异系数分别为5.80%和1.15%;有效磷季节变化明显大于全磷的季节变化

变异系数分别为29.21%和31.09%。土壤磷素分布特征与土壤理化性质、植被分布和微生物的作用相吻合

土壤全磷含量与粘土和粉砂含量、全氮、有机碳含量呈显著正相关关系

与容重呈极显著负相关关系

有效磷含量与土壤粘土和粉砂含量呈显著正相关关系;不同植被群落土壤全磷含量水平和季节变化较小

有效磷含量水平和季节变化明显;植被根际土全磷含量略高于非根际的

碱蓬有...

Abstract

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

which were...

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