不同造林树种对铁尾矿基质结构的影响——以唐山迁安首钢马兰庄铁尾矿为例

doi:10.13466/j.cnki.lyzygl.2015.05.019

林业资源管理 ›› 2015›› Issue (5): 110-116.doi: 10.13466/j.cnki.lyzygl.2015.05.019

不同造林树种对铁尾矿基质结构的影响——以唐山迁安首钢马兰庄铁尾矿为例

黄秋娴¹, 陈颖^1,2, 车晓雨¹, 李玉灵¹

1.河北农业大学,河北保定 071000;
2.廊坊市水务局,河北廊坊 065000

出版日期:2015-10-28 发布日期:2020-11-20
通讯作者: 李玉灵(1962-),女,内蒙古集宁人,教授,博士,主要从事植物生态学相关的教学和科研工作。Email:liyuling0425@126.com
作者简介:黄秋娴(1981-),女,河北枣强人,在读博士,主要研究方向:植物逆境生理生态。Email:lxhqx@hebau.edu.cn
基金资助:
河北省高层次人才资助项目:“基于京津冀协同发展的河北省生态安全规划研究”(B2014010);“基于植被恢复的铁尾矿废弃地基质修复技术研究”(12236726D-X);“矿区水土资源高效利用植被恢复模式构建技术试验示范”(2012BAC09B09)

Effects of Different Vegetation Restoration Types on Soil Structure in Iron Tailings —A case Study of Malanzhuang Iron Tailings

HUANG Qiuxian¹,CHEN Ying^1,2,CHE Xiaoyu¹,Li Yuling¹

1.Agricultural University of Hebei,Baoding,Hebei 071000,China;
2.Langfang Water Supplies Bureau,Langfang,Hebei 065000,China)

Online:2015-10-28 Published:2020-11-20

摘要/Abstract

摘要： 为了探讨不同树种对铁尾矿土壤结构的改良作用,以唐山迁安马兰庄铁尾矿区为研究地,选择在尾矿坡面造林的沙地柏、紫穗槐油松混交(简称“混交”)、紫穗槐、火炬树、沙棘为研究对象,测定其林内土壤机械组成、团聚体含量、土壤容重、土壤孔隙度及土壤水分,并与裸尾矿进行对比分析。结果表明:1)6块样地石砾的含量为火炬树(23.1%)>混交(10.4%)>裸尾矿(9.2%)>沙地柏(5.4%)>紫穗槐(4.0%)>沙棘(2.2%);2)6块样地大团聚体含量由高到低依次为沙棘(33.7%)>紫穗槐(29.3%)>沙地柏(28.7%)>裸尾矿(18.3%)>混交(13.6%)>火炬树(11.7%),与石砾含量的顺序相反;3)除火炬树样地与裸尾矿相同外,其余各样地土壤容重均有降低,其中紫穗槐的改良效果最为突出,比裸尾矿地减小12.1%;4)除沙棘样地非毛管孔隙度比裸尾矿样地降低以外,其余各样地的土壤总孔隙度、毛管孔隙度、非毛管孔隙度均增加,增加效果最好的两个样地为沙地柏样地和紫穗槐样地;5)沙地柏对田间持水量、毛管持水量和饱和含水量的改善作用明显,其次为火炬树样地,混交林改善作用不显著。综上所述,采用沙地柏或油松与紫穗槐混交的模式能较好地对土壤各个层深的物理性质和有机质进行综合改良。

关键词: 土壤结构, 铁尾矿, 植被恢复模式

Abstract: In order to investigate the role of different vegetation restoration patterns on soil structure in iron tailings,Tangshan Qian'an Malanzhuang Iron tailings were taken as research.This paper selected 5 typical slope woodland tailings,they are Sabina vulgaris,Amorpha fruticosa and Pinus tabuliformis mixed,Amorpha fruticosa,Rhus typhina,Hippophae rhamnoides as the research object,measured in its soil mechanical composition,aggregate content,soil bulk density,soil porosity,soil moisture,and analyzed with bare tailings.The results were as follows:1)Gravel content of 6 plots from high to low was:R.typhina forest(23.1%)>mixed forest(10.4%)>bare tailings(9.2%)>S.vulgaris forest(5.4%)>A.fruticosa forest(4.0%)>H.rhamnoides forest(2.2%);2)Large aggregate content of 6 plots from high to low was:H.rhamnoides forest(33.7%)>A.fruticosa forest(29.3%)>S.vulgaris forest(28.7%)>bare tailings(18.3%)>mixed forest(13.6%)>R.typhina forest(11.7%).Sequence coincides with the reverse sequence of gravel content.3)The bulk of the R.typhina forest was equal to the bare tailings,and others were lower than bare tailings after revegetation.The effect of A.fruticosa forest to bulk seemed to be most prominent,which reduced 12.1%.4)Except non capillary porosity of H.rhamnoides forest lower than bare tailings,total porosity of soil,capillary porosity and non capillary porosity of the rest fields had all increased visibly.The top two plots is S.vulgaris forest and A.fruticosa forest.5)The most obvious improvement effect to field capacity and capillary moisture capacity was S.vulgaris,followed by R.typhina,mixed forest improvement was not significant.In summary,S.Vulgaris and mixed forest types had better comprehensive improvement of physical properties of different deep layer of soil and organic matter.

Key words: soil structure, Iron tailings, vegetation restoration types

中图分类号:

S714

黄秋娴, 陈颖, 车晓雨, 李玉灵. 不同造林树种对铁尾矿基质结构的影响——以唐山迁安首钢马兰庄铁尾矿为例[J]. 林业资源管理, 2015,(5): 110-116.

HUANG Qiuxian,CHEN Ying,CHE Xiaoyu,Li Yuling. Effects of Different Vegetation Restoration Types on Soil Structure in Iron Tailings —A case Study of Malanzhuang Iron Tailings[J]. FOREST RESOURCES WANAGEMENT, 2015,(5): 110-116.

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不同造林树种对铁尾矿基质结构的影响——以唐山迁安首钢马兰庄铁尾矿为例

Effects of Different Vegetation Restoration Types on Soil Structure in Iron Tailings —A case Study of Malanzhuang Iron Tailings

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