Publications by authors named "Kanto Razanamalala"
Microorganisms
April 2023
Article Synopsis
- The priming effect (PE) occurs when new organic matter influences the breakdown of older soil organic matter, driven by various interactions among soil microorganisms.
- Different mechanisms, like stoichiometric decomposition and nutrient mining, explain how fresh organic matter can cause older matter to decompose faster due to interactions between decomposer microbes.
- A comparison of linear and non-linear statistical methods reveals that bacterial populations typically exhibit linear relationships with PE, while fungal populations show more complex non-linear effects, suggesting that bacteria primarily facilitate initial decomposition, while fungi play a critical role in later stages through their interactions.
Article Synopsis
- The study examines how different climatic factors influence two mechanisms of the priming effect in soil: 'stoichiometric decomposition' and 'nutrient mining.'
- The research was conducted in Madagascar, analyzing soil samples for their microbial and physicochemical properties along temperature and rainfall gradients.
- Results indicate that cooler climates enhance stoichiometric decomposition, while warmer climates boost nutrient mining, suggesting climate change could significantly affect soil carbon dynamics.
