DENDROLOGY

Detailed explanation-1: -Secondary succession occurs when the severity of disturbance is insufficient to remove all the existing vegetation and soil from a site. Many different kinds of disturbances, such as fire, flooding, windstorms, and human activities (e.g., logging of forests) can initiate secondary succession.

Detailed explanation-2: -Secondary succession-Succession where natural communities develop in an area that was earlier occupied by living organisms that were somehow lost. It begins in areas where natural biotic communities have been destroyed such as in abandoned farm lands, deforested lands, flooded lands, burned forests, etc.

Detailed explanation-3: -Fire. Fire is one of the most common causes of secondary succession and is an important component for the renewal and vitality of many types of ecosystem.