Ecosystem

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What is an Ecosystem?

 

An ecosystem can be defined as a dynamic entity composed of a biological community and the abiotic environment associated with it.

 

How Ecosystems are Formed

 

An ecosystem is formed when different communities interact with one another and with the abiotic environment in a habitat.

It is a natural unit of living (biotic) and non-living things (abiotic) which energy flows and nutrients are recycled. In general, an ecosystem is a combination of habitat and community.

Some examples of the ecosystem include tropical rainforest, freshwater pond ecosystem, and deserts.

 

what is biotic and abiotic?

 

Ecosystems consist of both biotic and abiotic factors. Plants, animals, and microbes are examples of biotic factors in an ecosystem, whereas abiotic factors examples include water, soil, and the atmosphere. The interactions between these components are crucial in an ecosystem.

 

Continuous Changes in Ecosystems

 

Ecosystems are always undergoing changes in their biotic and abiotic components.

Some of these changes begin with a change in the state of one component at first which then cascades and sometimes amplifies into other components due to relationships.

 

Different Types of Ecosystems

 

Ecosystems can be of different sizes and they are

• Forest ecosystems
• Grassland ecosystems
• Desert ecosystems
• Tundra ecosystems
• Aquatic ecosystems

In ecosystems, both matter and energy are conserved as energy flows through the system while matter gets recycled.

 

Ecosystem Diversity

 

Ecosystems are diverse; they vary in size and may also differ in about every imaginable biotic or abiotic feature.

 

External and Internal Factors Affecting Ecosystems

 

In addition, ecosystems are controlled by both external and internal factors. External factors such as climate, the parent material that forms the soil, topography and time each affect ecosystems.

However, these external factors are not influenced by the ecosystem. On the other hand, internal factors are different as they control the ecosystem and are also controlled by them.

 

Human Impact on Ecosystems

 

Humans operate within ecosystems and can influence both internal and external factors. For example, the cumulative effect of human activities resulted in global warming.

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