Soil Respiration Characteristics of Different Artificial Forests in Reclaimed Region of Antaibao Opencast Coal Mine

GUO Chunyan; LI Jinchuan; YUE Jianying; LU Ning; WANG Xiang; HE Zhenwei

doi:10.13961/j.cnki.stbctb.2015.03.016

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Soil Respiration Characteristics of Different Artificial Forests in Reclaimed Region of Antaibao Opencast Coal Mine

- Soil Respiration Characteristics of Different Artificial Forests in Reclaimed Region of Antaibao Opencast Coal Mine
- Bulletin of Soiland Water Conservation Vol. 35, Issue 3, Pages: 55-61(2015)
- 作者机构：
  
  1. 山西省生物研究所,山西,太原,030006
  2. 中煤平朔集团有限公司,山西,朔州,036006
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.03.016
  CLC：
- Published：2015
- 稿件说明：
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GUO Chunyan, LI Jinchuan, YUE Jianying, et al. Soil Respiration Characteristics of Different Artificial Forests in Reclaimed Region of Antaibao Opencast Coal Mine[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 55-61.
DOI：

GUO Chunyan, LI Jinchuan, YUE Jianying, et al. Soil Respiration Characteristics of Different Artificial Forests in Reclaimed Region of Antaibao Opencast Coal Mine[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 55-61. DOI： 10.13961/j.cnki.stbctb.2015.03.016.

摘要

[目的

]

探讨复垦模式对土壤呼吸作用的影响

同时为矿区复垦土地质量评价、复垦模式的筛选提供数据支撑。[方法

]

采用动态密闭气室红外CO

分析法对露天煤矿复垦区5块永久性样地土壤呼吸作用及其相关组分的日变化及季节动态进行跟踪测定。[结果

]

各样地土壤呼吸作用均呈现出明显的季节变化规律

但日变化趋势却各不相同。土壤呼吸速率日变化在5

10月份变幅较为平缓

8月份变幅较大

且在7

8月份达到最大值。去根系后

土壤温度及水分与未处理之间没有显著差异

但土壤呼吸速率值明显下降

下降幅度为19%~46%。土壤总呼吸速率和去根系土壤呼吸速率均与土壤温度、土壤水分、双因子呈幂或指数函数关系。[结论

]

刺槐纯林模式更有利于土壤的熟化与肥力的提高。

Abstract

[Objective] To explore the effects of reclamation mode on soil respiration in order to provide theoretical support for soil quality evaluation and reclamation mode selection in reclaimed region.[Methods] Using the analysis method of dynamic airtight chamber infrared CO2

the diurnal and seasonal variation of soil respiration rate and its related components in five permanent sample plots of opencast coal mine in Shanxi Province were studied.[Results] The soil respiration rate in each sample plot showed obvious seasonal variation

however

the law of diurnal variation of soil respiration rate was different. The width of diurnal variation of soil respiration rate in each sample plot was relatively gentle in May

September and October

and was bigger in June

July and August. The highest value of soil respiration appeared in July or August. Compared to the control

the root exclusion soil temperature and moisture was not significant difference

but the soil respiration rate was significantly declined by 19%~46%. The total and root exclusion soil respiration in relationship with soil temperature and moisture all can be described as a power function or exponential function

respectively.[Conclusion] Pure forest model of Robinia pseudoacacia is more advantageous to the improvement of the maturation and fertility of soil.

关键词

Keywords

references

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