S
Sequestration
Terrestrial removal of atmospheric carbon dioxide through the biological processes of plants and trees.
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.
Seed Zone
A well-delineated contiguous piece of land that represents the origin of the seed.
See Alberta’s Seed Zones here: https://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/formain15749/$FILE/seed-zones-alberta.pdf
Seedling
A plant or tree grown from a seed.
Sapling
A young tree no longer a seedling but not yet a pole.