Speciation Distribution of Fe and Effects of Disturbance in Main Wetland Types Soil in Xiaoxing'anling

WANG Yan; CAI Ti-jiu; MAN Xiu-ling; LIU Bin

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Speciation Distribution of Fe and Effects of Disturbance in Main Wetland Types Soil in Xiaoxing'anling

更新时间：2024-11-07

- Speciation Distribution of Fe and Effects of Disturbance in Main Wetland Types Soil in Xiaoxing'anling
- Vol. 25, Issue 2, (2011)
- 作者机构：
  
  东北林业大学,林学院,黑龙江,哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：
  CLC： S714.2
- Published：2011
- 稿件说明：
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WANG Yan, CAI Ti-jiu, MAN Xiu-ling, et al. Speciation Distribution of Fe and Effects of Disturbance in Main Wetland Types Soil in Xiaoxing'anling[J]. 2011, 25(2).
DOI：

WANG Yan, CAI Ti-jiu, MAN Xiu-ling, et al. Speciation Distribution of Fe and Effects of Disturbance in Main Wetland Types Soil in Xiaoxing'anling[J]. 2011, 25(2). DOI：

摘要

根据BCR连续提取法

分析了小兴安岭典型湿地土壤Fe形态特征

结果表明:(1)全Fe平均含量在12 423.81~15 755.18 mg/kg之间

乔、灌、草3种湿地类型全Fe含量差异不显著(p>0.05)。随着土层加深

乔木沼泽、灌木沼泽全Fe含量是降低的;草本沼泽全Fe含量先降低后增加。弱酸可提取态-Fe平均含量灌木沼泽(1.05%)>草本沼泽(0.85%)>乔木沼泽(0.25%)(p<0.01);3种湿地类型可还原态-Fe平均含量差异不显著(p>0.05)

所占比例在21.71%~32.55%之间;可氧化态-Fe平均含量灌木沼泽(30.89%)>乔木沼泽(22.29%)>草本沼泽(12.57%)(p<0.05)。随着土层加深

乔木沼泽和灌木沼泽的弱酸可提取态-Fe、可还原态-Fe、可氧化态-Fe含量均呈降低趋势;草本沼泽的弱酸可提取态-Fe、可还原态-Fe、可氧化态-Fe含量均是先增加后降低。残渣态-Fe平均含量乔木沼泽(55.75%)>草本沼泽(55.82%)>灌木沼泽(35.51%)(p<0.01)

随着土层加深

乔木沼泽、草本沼泽的残渣态-Fe含量先降低后增加;灌木沼泽的残渣态-Fe含量呈降低趋...

Abstract

According to BCR sequential extraction procedure

it analyzed the speciation distribution of Fe in main wetland types soil in Xiaoxing'anling

the results showed that:(1) The average content of total Fe was 12 423.81~15 755.18 mg/kg

which showed no significant difference among the three wetland types(p>0.05).The content of total Fe decreased with the depth of arborous mire and scrub mire

and reduced firstly and increased afterward with the depth of herb mire.The average content of weak acid extractable Fe app...

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