红壤侵蚀区不同地层背景马尾松林土壤理化特性及细菌多样性

黄偲祺; 喻君保; 朱晨璐; 杨帆; 武欣怡; 韩雪洁; 侯晓龙

doi:10.13961/j.cnki.stbctb.2022.05.012

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红壤侵蚀区不同地层背景马尾松林土壤理化特性及细菌多样性

试验研究

- 红壤侵蚀区不同地层背景马尾松林土壤理化特性及细菌多样性
- Soil Physicochemical Characteristics and Bacterial Diversity of Pinus Massoniana Plantations in Different Strata Backgrounds in Red Soil Erosion Areas
- 水土保持通报 2022年42卷第5期页码：87-95
- 作者机构：
  
  1. 福建农林大学林学院,福建,福州,350002
  2. 南方红壤区水土保持国家林业和草原局重点实验室,福建,福州,350002
  3. 海峡两岸红壤区水土保持协同创新中心,福建,福州,350002
- 作者简介：
- 基金信息：
  
  福建省科技厅对外合作项目“引进台湾坡地喷混植生技术治理福建崩岗壁的研究”(2019I0007);国家自然科学基金项目(31901298);福建农林大学科技创新专项基金项目(CXZX2020143C,71202103D)
- DOI：10.13961/j.cnki.stbctb.2022.05.012
  中图分类号： S154.3;S725.7
- 纸质出版：2022
- 稿件说明：
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黄偲祺, 喻君保, 朱晨璐, 等. 红壤侵蚀区不同地层背景马尾松林土壤理化特性及细菌多样性[J]. 水土保持通报, 2022,42(5):87-95.

Huang Siqi, Yu Junbao, Zhu Chenlu, et al. Soil Physicochemical Characteristics and Bacterial Diversity of Pinus Massoniana Plantations in Different Strata Backgrounds in Red Soil Erosion Areas[J]. Bulletin of Soiland Water Conservation, 2022, 42(5): 87-95.
黄偲祺, 喻君保, 朱晨璐, 等. 红壤侵蚀区不同地层背景马尾松林土壤理化特性及细菌多样性[J]. 水土保持通报, 2022,42(5):87-95. DOI： 10.13961/j.cnki.stbctb.2022.05.012.

Huang Siqi, Yu Junbao, Zhu Chenlu, et al. Soil Physicochemical Characteristics and Bacterial Diversity of Pinus Massoniana Plantations in Different Strata Backgrounds in Red Soil Erosion Areas[J]. Bulletin of Soiland Water Conservation, 2022, 42(5): 87-95. DOI： 10.13961/j.cnki.stbctb.2022.05.012.

摘要

[目的

]

揭示土壤理化特性与细菌丰度之间的内在关系，为红壤侵蚀区马尾松林水土流失分区精准治理提供参考。[方法

]

以福建省长汀县红壤侵蚀区马尾松林为研究对象，选择侏罗系中统漳平组中段(J

)、侏罗系中统漳平组下段(J

)、侏罗纪燕山期早期侵入岩(γ

2(3) c

)、第四系全新统(Q

)4种地层背景，分析测定不同地层背景马尾松林土壤理化特性和细菌群落组成及多样性。[结果

]

不同地层背景马尾松林土壤理化指标整体表现为：J

＞J

＞Q

＞γ

2(3) c

；土壤养分含量各地层背景各有丰缺，J

地层背景土壤有机质含量大于其他地层，Q

地层背景氮含量大于其他地层，而γ

2(3) c

地层背景磷和钾含量较高；4种地层背景土壤细菌差异操作分类单元(OTU)数目表现为：Q

＞J

＞γ

2(3) c

，分别占总OTU数目的21.62%，18.29%，16.79%，12.08%；细菌群落多样性表现为：J

＞Q

＞γ

2(3) c

＞J

；J

地层和Q

地层土壤细菌多样性与土壤含水率和土壤pH值正相关，J

地层与土壤容重以及全磷含量正相关，γ

2(3) c

地层与土壤钾含量和速效氮含量正相关。[结论

]

红壤侵蚀区不同地层背景马尾松林土壤理化特性存在一定差异，在植被恢复过程中应考虑地层背景因素进行分区治理，细

菌对不同地层背景土壤性质具有一定指示作用。

Abstract

[Objective] The intrinsic relationship between soil physical and chemical properties and bacterial abundance was determined in order to provide a reference for precise control of soil erosion in a Pinus massoniana forest in red soil erosion areas. [Methods] The study was conducted in a P. massoniana forest in the red soil erosion area of Changting County

Fujian Province. Four stratigraphic backgrounds were analyzed to determine their soil physicochemical properties and bacterial community composition and diversity in a P. massoniana forest. Those stratigraphic backgrounds were the middle member of the Zhangping Formation of the Middle Jurassic (J2Z2)

the lower member of the Zhangping Formation of the Middle Jurassic (J2Z1)

the early Yanshanian intrusive rocks of the Jurassic (γ52(3)c)

and the Quaternary Holocene (Qh). [Results] The overall performance of the soil physical and chemical properties in the Pinus massoniana forest with different stratigraphic backgrounds followed the order of J2Z1>J2Z2>Qh>γ52(3)c. The soil nutrient content was abundant and deficient in each stratum background. The soil organic matter content of the J2Z1 was higher than that of other strata

the background nitrogen content of Qh was higher than that of other strata

and the background content of phosphorus and potassium was higher in γ52(3)c. The number of soil bacterial operational taxonomic units (OTU) in the four strata backgrounds followed the order of Qh>J2Z2>J2Z1>γ52(3)c

and accounted for 21.62%

18.29%

16.79%

and 12.08%

respectively

of the total number of OTUs. The diversity of the bacterial community followed the order of J2Z2>Qh>γ52(3)c>J2Z2. Soil bacterial diversity was positively correlated with soil water content and soil pH value in J2Z1 and Qh. Bacterial diversity in J2Z2 was positively correlated with soil bulk density and total phosphorus content. Bacterial diversity in γ52(3)c was positively correlated with soil potassium content and available nitrogen content

and positively correlated with soil total nitrogen content. [Conclusion] There were certain differences in the soil physical and chemical properties of a P. massoniana forest with different stratigraphic backgrounds in the red soil erosion area. In the process of vegetation restoration

stratigraphic background factors should be considered for regional governance. Bacteria have certain indications for soil properties of different stratigraphic backgrounds.

关键词

Keywords

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