Environmental Science Unit test study Guide Flashcards
resource management
using resources without depleting them
maximum sustainable yield
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 ecosystem that provide them
adaptive management
customized approach to managing resources that has been developed through scientific testing
even-aged
condition in timber plantation where all trees are the same age
uneven-aged
condition in timber plantation where all trees are different age
clear-cutting
method of harvesting tree in which all trees in an area are cut at once
deforestation
clearing forest for another land to use
seed-tree approach
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
harvesting tree in which small number of mature trees are left in place to provide shelter for seedlings as they grow
selection system
harvesting tree in which only some of the trees in the forest are cut at one time
old-growth forest
forest that has never been logged
multiple use
monocultures
prescribed burns
