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Differences in available phosphorus in temperate and subtropical forest soils

文献类型：期刊论文

作者Liu, Shuang; Zhang, Xinyu; Pan, Junxiao; Ma, Zeqing
刊名APPLIED SOIL ECOLOGY
出版日期2023-07-01
卷号187页码:104849
ISSN号0929-1393
关键词Phosphorus availability Phosphomonoesterase kinetic parameters phoC and phoD gene abundance Soil depth Temperate and subtropical forests
DOI10.1016/j.apsoil.2023.104849
文献子类Article
英文摘要Soil P availability is influenced by the acid phosphomonoesterase (ACP) activity, microbial biomass P (MBP), pH, and other soil properties. To date, there is no clear understanding about how the enzyme catalytic efficiency (Vmax/Km) and the abundance of the phoC and phoD genes that encode ACP and alkaline phosphomonoesterase (ALP) influence the available P contents at different depths in temperate and subtropical forest soils. We investigated how the soil enzyme kinetic parameters, phoC and phoD gene abundance, pH, total P contents, and other soil properties influenced the P availability in soils from a temperate forest (ChangBai Mountain) and a subtropical forest (QianYanZhou Plantation). The results showed that the DNA contents and the ACP and ALP activities were positively correlated with the available P contents in the temperate forest soil. The phoC and phoD gene abundance and the ALP activity were positively correlated with the available P contents in the subtropical forest soil. The ACP-Vmax/Km and DNA contents were positively correlated with the available P contents in topsoil (0-10 cm). The total P contents, pH, MBP, and ACP-Vmax/Km in subsoil (10-30 cm) were positively correlated with the available P contents. A structural equation model showed that DNA content had the greatest effect on the soil available P in temperate forest soil, and phoC and phoD gene abundance had the greatest effect on the soil available P in subtropical forest soil. The mechanism of H+ dissolution affected the P availability through low pH in the topsoil and weathering in the subsoil. Overall, these findings provided an improved understanding about how the catalytic efficiencies of ACP and ALP and the phoC and phoD gene abundance, influenced the P availability in temperate and subtropical forest soils at different depths. We also gained insights into how the P availability was affected by H+ dissolution and the parent material in topsoil and subsoil, respectively.
WOS关键词MICROBIAL COMMUNITY COMPOSITION ; EXTRACELLULAR ENZYME-ACTIVITY ; CATALYTIC EFFICIENCY ; BIOMASS PHOSPHORUS ; ORGANIC-MATTER ; P AVAILABILITY ; MICROORGANISMS ; BACTERIAL ; RHIZOSPHERE ; NITROGEN
WOS研究方向Agriculture
出版者ELSEVIER
WOS记录号WOS:000951197900001
源URL[http://ir.igsnrr.ac.cn/handle/311030/190505]  
专题生态系统网络观测与模拟院重点实验室_外文论文
作者单位Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China; Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Shuang,Zhang, Xinyu,Pan, Junxiao,et al. Differences in available phosphorus in temperate and subtropical forest soils[J]. APPLIED SOIL ECOLOGY,2023,187:104849.
APA Liu, Shuang,Zhang, Xinyu,Pan, Junxiao,&Ma, Zeqing.(2023).Differences in available phosphorus in temperate and subtropical forest soils.APPLIED SOIL ECOLOGY,187,104849.
MLA Liu, Shuang,et al."Differences in available phosphorus in temperate and subtropical forest soils".APPLIED SOIL ECOLOGY 187(2023):104849.

入库方式： OAI收割

来源：地理科学与资源研究所

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