Microecosystem

Animal gut microecosystems

These include the

Soil microecosystems

A typical soil microecosystem may be restricted to less than a millimeter in its total depth range owing to steep variation in humidity and/or atmospheric gas composition. The soil grain size and physical and chemical properties of the substrate may also play important roles. Because of the predominant solid phase in these systems they are notoriously difficult to study microscopically without simultaneously disrupting the fine spatial distribution of their components.

Terrestrial hot-spring microecosystems

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These are defined by gradients of water temperature, nutrients, dissolved gases,

Deep-sea microecosystems

The best known contain rare specialized organisms, found only in the immediate vicinity (sometimes within centimeters) of underwater

Closed microecosystem

One that is sealed and completely independent of outside factors, except for temperature and light. A good example would be a plant contained in a sealed jar and submerged under water. No new factors would be able to enter this ecosystem.

References