Definition: Natural regeneration
Re-establishment of a forest stand by natural means, i.e. by natural seeding or vegetative regeneration. It may be assisted by human intervention, e.g. by scarification or fencing to protect against wildlife damage or domestic animal grazing.
Economic Commission for Europe of the United Nations (UNECE)/ Food and Agriculture Organization of the United Nations (FAO), Terms and Definitions, "Temperate and Boreal Forest Resources Assessment 2000", United Nations, July 1997