environmetal science vocabulary

resource management
using resources without depleting them
maximum sustainable yield (MSY)
the amount of a resource that can be harvested without reducing the amount of future harvests
ecosystem-based management
harvesting resources in ways that minimize the impact on the ecosystems that provide them
adaptive management
a customized approach to managing resources that has been developed through scientific testing
a condition in timber plantations in which all the trees are the same age
a method of harvesting trees in which all trees in an area are cut at once
seed-tree approach
a method of harvesting trees in which a small number of mature and healthy seed-producing trees are left standing so they can reseed an area that has been logged
shelterwood approach
a method of harvesting trees in which a small number of mature trees are left in place to provide shelter for seedlings as they grow
selection system
a method of harvesting trees in which only some of the trees in a forest are cut at one time
clearing a forest for another land use
old-growth forest
a forest that has never been logged
multiple use
a policy that states that the national forests must serve a number of uses
the large-scale plantings of a single crop
prescribed burn
the process of setting fire to an area of forest under carefully controlled conditions; also called controlled burn
salvage logging
the removal of dead trees following a natural disturbance
sustainable forestry certification
formal recognition by an organization that a product has been produced using methods and materials the organization considers to be sustainable