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Difference between primary succession and secondary succession

 

Primary Succession

Secondary Succession

1.

It takes place in an area where no life existed before.

It takes place in an area where life existed before but got destroyed due to some factors such as grazing, burning, felling of trees, sudden changes in climatic factors etc.

2.

It occurs in an area where no soil is present.

It occurs in an area where soil is already present.

3.

It is a slow process.

It is a fast process.

4.

It has a lower rate of production of biological material.

It has a higher level of production of biological material.

5.

The areas included under this succession are bare rocks, newly created pond etc.

The areas included under this succession are farm lands, flooded lands, burnt or cut forest etc.

 

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