Disentangling the Complex Effects of Seasonal Drought, Floor Mass, and Roots on Soil Microbial Biomass in a Subtropical Moist Forest

被引:0
|
作者
Yang, Yali [1 ]
Liu, Xianbin [1 ]
Li, Tao [1 ]
Gao, Jinbo [1 ]
Liu, Yuntong [1 ]
Wang, Chao [2 ]
机构
[1] Yuxi Normal Univ, Sch Chem Biol & Environm, Yuxi 653100, Peoples R China
[2] Univ N Carolina, Dept Geol Sci, Chapel Hill, NC 27599 USA
来源
FORESTS | 2024年 / 15卷 / 11期
基金
中国国家自然科学基金;
关键词
floor mass; global climate change; interaction effect; plant roots; seasonal drought; soil microbial biomass carbon and nitrogen; soil moisture; subtropical moist forest; CARBON; PHOSPHORUS; NITROGEN;
D O I
10.3390/f15111948
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Severe seasonal droughts driven by global climate change significantly alter the cycling of carbon and nutrients in forest ecosystems, while the investigation into the impacts of floor mass and plant roots on soil microbial biomass within the context of recurrent seasonal droughts is still rare. To investigate the environmental determinants governing soil microbial biomass with the escalating severity of seasonal droughts, we conducted a study in a montane subtropical moist evergreen broad-leaved forest in southwestern China from June 2019 to May 2023. The study results revealed that soil microbial biomass, as well as soil moisture, floor mass, and plant roots, showed an apparent single-hump modal within one year. In the comparative analysis of the soil microbial biomass fluctuation amplitudes across control and watered plots, a discernible disparity was observed, indicating significant differences in microbial biomass dynamics between the respective experimental conditions. The pooled data revealed a statistically significant influence of seasonal drought, floor mass, plant roots, and their reciprocal interactions on the soil microbial biomass, highlighting these factors as pivotal determinants of microbial community dynamics. This study elucidates the interactive regulatory mechanisms by which seasonal drought, floor mass, and plant roots collectively modulate soil microbial biomass within tropical and subtropical forests, offering insights into the complex ecological processes governing microbial community dynamics. This interactive regulation might influence the trajectory of plant species and soil microbial communities, facilitating their adaptive development and evolutionary responses.
引用
收藏
页数:21
相关论文
共 50 条
  • [31] Effects of tree diversity on soil microbial community in a subtropical forest in Southwest China
    Li, Yanni
    Qian, Zongyao
    Li, Dejun
    EUROPEAN JOURNAL OF SOIL BIOLOGY, 2023, 116
  • [32] Seasonal drought effects on carbon sequestration of a mid-subtropical planted forest of southeastern China
    SUN Xiaomin WEN Xuefa YU Guirui LIU Yunfen LIU Qijing Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China
    ScienceinChina(SeriesD:EarthSciences), 2006, (SeriesD:EarthSciences) : 110 - 118
  • [33] Seasonal drought effects on carbon sequestration of a mid-subtropical planted forest of southeastern China
    Xiaomin Sun
    Xuefa Wen
    Guirui Yu
    Yunfen Liu
    Qijing Liu
    Science in China Series D: Earth Sciences, 2006, 49 : 110 - 118
  • [34] Seasonal drought effects on carbon sequestration of a mid-subtropical planted forest of southeastern China
    Sun Xiaomin
    Wen Xuefa
    Yu Guirui
    Liu Yunfen
    Liu Qijing
    SCIENCE IN CHINA SERIES D-EARTH SCIENCES, 2006, 49 (Suppl 2): : 110 - 118
  • [36] The effects of forest practices on earthworm populations and soil microbial biomass in a hardwood forest in Missouri
    Jordan, D
    Li, F
    Ponder, F
    Berry, EC
    Hubbard, VC
    Kim, KY
    APPLIED SOIL ECOLOGY, 1999, 13 (01) : 31 - 38
  • [37] Disentangling the Effects of Vapor Pressure Deficit and Soil Water Availability on Canopy Conductance in a Seasonal Tropical Forest During the 2015 El Nino Drought
    Fang, Yilin
    Leung, L. Ruby
    Wolfe, Brett T.
    Detto, Matteo
    Knox, Ryan G.
    McDowell, Nate G.
    Grossiord, Charlotte
    Xu, Chonggang
    Christoffersen, Bradley O.
    Gentine, Pierre
    Koven, Charles D.
    Chambers, Jeffrey Q.
    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2021, 126 (10)
  • [38] Fire-deposited charcoal enhances soil microbial biomass in a recently harvested subtropical plantation forest
    Jiao, Pengyu
    DeLuca, Thomas H.
    Wang, Kuan
    Liu, Xian
    Hu, Yalin
    Wang, Yuzhe
    GEODERMA, 2024, 448
  • [39] Soil Microbial Biomass as an Edge Effect Indicator in Semi-Deciduous Seasonal Forest Fragments
    Duarte Santos, Mayana Oliveira
    Bittencourt Barreto-Garcia, Patricia Anjos
    Gama-Rodrigues, Emanuela Forestieri
    FLORESTA E AMBIENTE, 2019, 26 (04):
  • [40] Effects of forest floor organic layer and root biomass on soil respiration following boreal forest fire
    Singh, S.
    Amiro, B. D.
    Quideau, S. A.
    CANADIAN JOURNAL OF FOREST RESEARCH, 2008, 38 (04) : 647 - 655