Separation of an employee exists when the service of an employee comes to an end because of one reason or other. "Separation of employment" refers broadly to the process of managing the termination of employment. It is a sensitive issue for any organization.
Types of separation:
1) Volunntary:
a) Resignation b) Job abandonment c) Retirement
2) Involuntary:
a) Layoff b) Dismissal c) Plant closure d) Death or Disability.
Primary succession is the orderly and predictable series of events through which a stable ecosystem forms in a previously uninhabited region. Primary succession occurs in regions characterized by the absence of soil and living organisms.