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Life Underwater: Tiny Organisms and Their Unique Worlds

South China SeaSaturday, December 13, 2025
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Deep down in the ocean, there are underwater mountains called seamounts. They are special places where lots of different tiny organisms, called microbes, live.

The Importance of Microbes

These microbes are important because they help keep the ocean healthy and full of life. But, they face threats from human activities like fishing.

Scientific Discovery in the South China Sea

Scientists went to the South China Sea to study these microbes. They found two types:

  1. Free-floating microbes
  2. Particle-attached microbes

Both types were equally diverse, but the ones attached to particles were more affected by their location. This means they are more sensitive to changes in their environment.

Community Formation

The way these microbes form communities is also interesting:

  • Free-floating microbes are more influenced by random events.
  • Particle-attached microbes are more affected by how they spread and move.

As the number of free-floating microbes increases, random events play a bigger role in their community formation. However, this is not the case for particle-attached microbes.

Complex Relationships and Vulnerability

Particle-attached microbes also have more complex relationships and are more vulnerable to disruptions compared to free-floating microbes. This is important because it shows that different types of microbes may react differently to future environmental changes.

Understanding Microbial Communities

Studying these microbes helps us understand how they form communities and how stable these communities are. This knowledge is crucial for predicting how these tiny organisms will cope with future changes in their environment.

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