不同岩茶产区土壤有机碳与固碳微生物特征及其影响因子

doi:10.13292/j.1000-4890.202603.029

生态学杂志 ›› 2026, Vol. 45 ›› Issue (3): 714-723.doi: 10.13292/j.1000-4890.202603.029

不同岩茶产区土壤有机碳与固碳微生物特征及其影响因子

廖亦阳^1,2，王霖^1,2，许宏达^1,2，李先德³，沈长华⁴，王佳娜^1,2，吴春梅^1,2，侯丽^1,2，吴琪梦^1,2，张永勋³，王维奇^1,2*

(¹福建师范大学湿润亚热带生态地理过程教育部重点实验室，福州 350117； ²福建师范大学地理研究所，福州 350117； ³中国农业科学院农业经济与发展研究所，北京 100081； ⁴福建省南平国家农业气象试验站，福建南平 354200)

出版日期:2026-03-10 发布日期:2026-09-01

Characteristics and influencing factors of soil organic carbon and carbon-fixing microorganisms in different rock tea-producing regions.

LIAO Yiyang^1,2, WANG Lin^1,2, XU Hongda^1,2, LI Xiande³, SHEN Changhua⁴, WANG Jiana^1,2, WU Chunmei^1,2, HOU Li^1,2, WU Qimeng^1,2, ZHANG Yongxun³, WANG Weiqi^1,2*

(¹Key Laboratory of Humid Subtropical Eco-geographical Process of Ministry of Education, Fujian Normal University, Fuzhou 350117, China; ²Institute of Geography, Fujian Normal University, Fuzhou 350117, China; ³Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Sciences, Beijing 100081, China; ⁴Fujian Nanping National Agrometeorological Experimental Station, Nanping 354200, Fujian, China).

Online:2026-03-10 Published:2026-09-01

摘要/Abstract

摘要： 岩茶产区土壤类型多样、地势差别大，研究不同岩茶产区土壤的有机碳及其活性组分含量及固碳微生物特征，可揭示各产区土壤有机碳的动态变化及其影响因素，为优化岩茶种植管理提供理论依据。本研究以福建省武夷山正岩茶、半岩茶和洲茶产区为对象，测定了土壤有机碳及其活性组分含量、固碳菌群相对丰度及多样性等。结果表明：(1)不同岩茶产区土壤有机碳活性组分的含量表现出明显的区域差异，其中半岩茶区土壤有机碳活性组分的含量最高，洲茶区次之，正岩茶区最低；半岩茶区和洲茶区上层土壤易氧化有机碳(EOC)、微生物生物量碳(MBC)均高于下层，而正岩茶区和半岩茶区的可溶性有机碳(DOC)表现为下层显著高于上层(P<0.05)。(2)武夷山岩茶产区土壤有机碳及其活性组分与土壤理化因子关系密切。其中，土壤全磷(TP)和土壤含水量(WC)与土壤有机碳(SOC)、DOC、MBC、EOC均呈显著正相关(P<0.05)，土壤全钾(TK)则呈显著负相关(P<0.05)。(3)正岩茶区和半岩茶区土壤中硝化杆菌属(Nitrobacter)相对丰度最高，而洲茶区则以硫碱弧菌属(Thioalkalivibrio)为主。(4)土壤固碳菌属相对丰度主要受土壤理化因子影响，且对土壤有机碳的积累有一定影响：土壤pH与硫碱弧菌属、分枝杆菌属(Mycobacterium)呈显著正相关(P<0.05)；土壤TP含量与假诺卡氏菌属(Pseudonocardia)呈极显著正相关(P<0.01)；土壤电导率、容重与硝化杆菌属呈显著负相关(P<0.05)。此外，分枝杆菌属是影响DOC、MBC含量的主要菌属(P<0.05)。综上，土壤有机碳含量及固碳微生物相对丰度在不同岩茶产区有所差别，并受到环境因子的影响，研究结果可为发展高碳汇茶园提供科学依据。

关键词: 土壤有机碳, 土壤活性碳组分, 固碳微生物, 茶园, 武夷山

Abstract: The rock tea-producing regions have diverse soil types and significant variations in terrain. Understanding the contents of soil organic carbon (SOC) and its active components, as well as the characteristics of carbon-fixing microorganisms in the soils across different rock tea-producing regions can reveal the dynamics in SOC and its influencing factors, offering a theoretical foundation for optimizing rock tea cultivation. In this study, we measured the contents of SOC and its active components, as well as the relative abundance and diversity of carbon-fixing bacterial communities in Zhengyan tea, Banyan tea, and Zhou tea producing regions in Wuyi Mountain, Fujian Province. The results showed that: (1) The contents of SOC active components varied significantly across rock tea-producing regions, with the highest contents in the Banyan tea region, followed by the Zhou tea region, and the lowest in the Zhengyan tea region. In the Banyan and Zhou tea regions, the upper soil layers exhibited higher contents of easily oxidizable organic carbon (EOC) and microbial biomass carbon (MBC) than the lower layers, while in the Zhengyan and Banyan tea regions, dissolved organic carbon (DOC) was significantly higher in the lower soil layer (P<0.05). (2) SOC and its active components in Wuyi Mountain rock tea-producing regions were closely correlated with soil physical and chemical factors. Total phosphorus content (TP) and soil water content (WC) had significant positive impacts on the contents of SOC, DOC, MBC, and EOC (P<0.05), while total potassium content (TK) had a significant negative impact (P<0.05). (3) Nitrobacter was the most abundant in the Zhengyan and Banyan tea regions, while Thioalkalivibrio dominated in the Zhou tea region. (4) The relative abundance of soil carbon-fixing bacteria was mainly affected by soil physicochemical factors, which in turn affected SOC accumulation. Soil pH was significantly positively correlated with Thioalkalivibrio and Mycobacterium (P<0.05). Soil TP was significantly positively correlated with Pseudonocardia (P<0.01). Soil electrical conductivity and bulk density were significantly negatively correlated with Nitrobacter (P<0.05). In addition, Mycobacterium was the major genus affecting the content of DOC and MBC (P<0.05). In summary, SOC content and relative abundance of carbon-fixing microorganisms vary across different rock tea-producing regions and are influenced by environmental factors. These findings provide a scientific basis for developing high-carbon sequestration tea gardens.

Key words: soil organic carbon, soil active carbon component, carbon-fixing microorganisms, tea garden, Wuyi Mountain

廖亦阳, 王霖, 许宏达, 李先德, 沈长华, 王佳娜, 吴春梅, 侯丽, 吴琪梦, 张永勋, 王维奇. 不同岩茶产区土壤有机碳与固碳微生物特征及其影响因子[J]. 生态学杂志, 2026, 45(3): 714-723.

LIAO Yiyang, WANG Lin, XU Hongda, LI Xiande, SHEN Changhua, WANG Jiana, WU Chunmei, HOU Li, WU Qimeng, ZHANG Yongxun, WANG Weiqi. Characteristics and influencing factors of soil organic carbon and carbon-fixing microorganisms in different rock tea-producing regions.[J]. Chinese Journal of Ecology, 2026, 45(3): 714-723.

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不同岩茶产区土壤有机碳与固碳微生物特征及其影响因子

Characteristics and influencing factors of soil organic carbon and carbon-fixing microorganisms in different rock tea-producing regions.

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