Micro on a macroscale: relating microbial-scale soil processes to global ecosystem function.

Area of Science:

• Soil Ecology
• Microbial Ecology
• Biogeochemistry

Background:

• Soil microorganisms are crucial for biogeochemical cycles and climate change responses.
• Soil microscale complexity presents challenges in predicting microbial behavior and ecosystem functions.
• Integrating the microbial perspective is vital for accurate global process prediction.

Purpose of the Study:

• To highlight the importance of the microbial perspective in soil ecology.
• To discuss the role of microbial habitats in ecosystem process measurement and modeling.
• To propose methods for integrating microhabitat data into ecosystem-scale predictions.

Main Methods:

• Defining and quantifying microhabitat size, distribution, and sphere of influence.
• Utilizing controlled and hierarchical sampling designs.
• Employing model microbial systems and adapting soil sampling schemes and statistical methods.

Main Results:

• Microhabitat quantification is essential for managing microbial activity at the ecosystem scale.
• Model microbial systems can provide data for integrating microhabitats into ecosystem models.
• Adapted sampling and statistical methods enable microbially-focused data collection.

Conclusions:

• Quantifying soil processes from a microbial perspective enhances prediction accuracy.
• Addressing microscale complexity is crucial for resolving long-standing questions in soil ecology.
• A microbial-centric approach is necessary for robust soil ecosystem modeling and prediction.