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Agriculture – The raising of food or other crops.
Biologist – A person trained in the science of life and living organisms.
Canopy - layer formed by the leaves and branches of the tallest trees in the forest.
Cellulose - the main part of the cell walls of wood which produce fiber.
Competition – The struggle for existence among living organisms.
Coniferous - a tree that bears its seeds in cones. Usually refers to needleleaf trees.
Conservation - responsible use, protection, and improvement of natural resources for the present and future.
Deciduous - term describing a plant that sheds its leaves annually, usually in autumn.
Ecosystem – The basic unit in ecology, including both the organisms and the non-living environment.
Evolve – To develop gradually.
Feller-Buncher – Timber harvesting machine that cuts trees and stacks tree lengths for skidding.
Feller-Processor – Timber harvesting machine that cuts trees and processes them into logs. Usually used in tandem with a Forwarder.
Forwarder – timber harvesting machine that picks up logs and transports them out of the forest to a road.
Foliage – The growth of leaves on a tree or other plant.
Habitat – The region or environment where a plant or animal is normally found.
Hardwood - wood produced by deciduous trees such as maples and oaks. Also, another term for deciduous trees.
Harvest - managed removal of trees by selective or complete harvest methods.
Forest Management - the practical application of scientific, economic, and social principles to the use and care of a forest.
Niche – Any position specially adapted to its occupant.
Nonrenewable Resources - substances (e.g., oil, gas, coal, copper, and gold) which once used, cannot be replaced.
Nutrients – Substances that provide nourishment to plants and other organisms.
Photosynthesis – The process by which plants form carbohydrates from carbon dioxide, inorganic salts and water, through the agency of sunlight acting upon chlorophyll.
Purify – To make clean.
Riparian – Pertaining to the bank of a river; often used to denote wetland plant communities.
Recreation - the use of forestland for human enjoyment and relaxation.
Regeneration - the renewal of a tree crop whether by natural (seed trees, sprouts) or artificial (planting) means.
Renewable Resources - a naturally occurring raw material or form of energy, which can replenish itself through sound management, practices in your lifetime (e.g., trees)
Sawtimber - trees yielding logs considered suitable in size and quality for producing lumber or sawn wood (logs cut into a square edged form).
Scenery – The appearance or visible aspects of a landscape.
Seedling - a young tree grown from the seed.
Skidder – A timber harvesting machine that drags trees or logs out of the forest to a road.
Softwood - wood produced by coniferous trees such as pines, cedars, and firs. A common but not strictly accurate term since the wood of some conifers is harder than some hardwood trees. Another term for a coniferous tree.
Sprout - healthy new trees growing from the tree stump or roots of a tree that has been harvested.
Stewardship - using wise management practices for many benefits and uses of forestland.
Succession - the gradual replacement of one plant community by another, through natural processes over time.
Sustainability - use and growth of natural resources to meet present and future needs.
Taxol – a drug used to treat ovarian and other cancers.
Timber Cruise - a survey of a forest to identify health, types, and number of trees.
Understory - layer formed by the leaves and branches of the smaller trees under the forest canopy.
Urban Forest - An urban area extends from town center to suburb's edge. The urban forest would include tree-lined roadways, open green spaces, undeveloped forests, parks, along with other public and private spaces within this urban area.
Veneer - a thin sheet of wood of uniform thickness produced by rotary cutting, slicing, or sometimes sawing.
Watershed - an area of land that drains water from small streams toward a major river or stream.