Research Progress

• Eco-engineering Explains Greening Trend of Karst Area in Southwest China

  Recently,The researchers from the Institute of Subtropical Agriculture, Chinese Academy of Sciences (ISA) found that climate conditions and a decrease in rainfall were responsible for low vegetation growth in non-karst areas, while eco-engineering was the main cause for vegetation increase in karst areas.

  Jan 25, 2021
• Chemical Lysis vs Mechanical Lysis, Which Affect the Quality of Microbial DNA the Most?

  Recently, researchers from the Institute of Subtropical Agriculture (ISA), Chinese Academy of Sciences compared the effects of chemical and mechanical lysis on microbial DNA quality and downstream amplicon analysis,The study has been published in Frontiers in microbiology on Nov.16.

  Jan 20, 2021
• Nonprotein Nitrogen and Protein Nitrogen Regulate Cell Self-renewal in Different Manners

  Recently, researchers from the Institute of Subtropical Agriculture (ISA), Chinese Academy of Sciences, and Shenzhen University compared the effects of different nitrogen sources on apoptosis and autophagy of rumen epithelial cells in goats. The study has been published in Animals on Nov.9.

  Jan 11, 2021
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  Study Reveals How C:N:P Stoichiometry Responds to Agricultural Land Use and Climate

  A research team led by Prof. SU Yirong from the Institute of Subtropical Agriculture found how the soil C:N:P stoichiometry is affected by upland and paddy cropping.

  Jan 04, 2021
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  Study Reveals Special "Regulating Valve" of Organic Carbon Mineralization in Paddy Soil

  Recently, the research team of the Institute of subtropical agricultural ecology, Chinese Academy of Sciences, through a group of 78 days of cultivation experiments, found that oxygen conditions in paddy soil will affect the number of key limiting factors of organic carbon mineralization, and then affect the carbon sequestration efficiency.

  Dec 22, 2020
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  Study Reveals Spatiotemporal Water Quality Variations and How They Are Affect by Hydrological Conditions in Dongting Lake

  A team of researchers from the Institute of Subtropical Agriculture (ISA) of the Chinese Academy of Sciences studied the spatiotemporal water quality variations and their relationship with hydrological conditions in Dongting Lake after the operation of the Three Gorges Dam (TGD), China.

  Oct 29, 2020
• How External Nitrogen Impact on Diazotrophs in Karst Region?

  Researchers from the Huanjiang Observation and Research Station for Karst Ecosystems, Chinese Academy of Sciences (CAS), Guangxi Zhuang Autonomous Region, southwest China investigated the changes of diazotrophs abundance, diversity, and community composition under different N inputs in the natural and artificial (forage grass cultivation) grasslands.

  Oct 19, 2020
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  Researchers Reveal Recharge Mechanism of Karst Springs and Stream

  Based on the hydrological monitoring in the Huanjiang Observation and Research Station for Karst Ecosystems, Chinese Academy of Sciences, coupling with geophysical technology and isotope/hydrochemistry tracer technique, Chen Hongsong ecohydrology team from the Institute of Subtropical Agriculture (ISA), Chinese Academy of Sciences, studied the springs and stream recharge processes in a small karst catchment, and assessed the transfer and storage function of karst aquifer.

  Oct 16, 2020
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  Microbial Biomass Change Shifts the Role of Iron Oxides in Organic C Mineralization in Anoxic Paddy Soil

  Therefore, a research group led by Researcher WU Jinshui from the Institute of Subtropical Agriculture (ISA) of the Chinese Academy of Sciences performed an incubation experiment by adding acetate (13C-labelled) and iron oxides (i.e. ferrihydrite and goethite) to unfumigated and fumigated soils under anaerobic conditions to reveal the effect of iron oxides and microbial biomass on organic C mineralisation in anoxic paddy soils.

  Oct 16, 2020
• How Tillage Impact on Soil Carbon and Nitrogen in Karst Region?

  Researchers from the Huanjiang Observation and Research Station for Karst Ecosystems, Chinese Academy of Sciences (CAS), Guangxi Zhuang Autonomous Region, southwest China investigated the changes of soil C or N, CO2 fluxes, and microbial metabolic functional diversity under different tillage frequency and maize planting, which was conducted a 1-year experiment.

  Oct 15, 2020