Seedling
A plant or tree grown from a seed.
Selection Harvest
A method of harvesting used in uneven-aged stands; selected trees are harvested leaving residual trees with more space to increase their growth, also used to promote the regeneration of trees.
Sequestration
Terrestrial removal of atmospheric carbon dioxide through the biological processes of plants and trees.
Shelterwood
A method of harvesting that leaves individual trees or groups of trees or alternating strips standing to provide seed and cover conditions for natural or artificial regeneration.
Silviculture
The art and science of growing trees.