Forests, Parks and Nature Flashcards
How much forest covers earth’s land surface?
31%
Maximum sustainable Yield?
forest management; goal is to maximize resource extraction w/o depleting harvests
Ecosystem base management
forest management; minimize impact on ecological processes
adaptive management
testing different approaches to improve methods through time
Clear cutting?
all trees in an area cut at once
Seed tree or shelterwood
small numbers of large trees left standing to help reseed
selection?
more trees left standing than are harvested
National Forest management act?
required all national forests to have plans for renewable resource management
What were national parks originally used for?
for common people to enjoy
Where was the first national park
Yellowstone 1872
Where was the first “declared” US wilderness
Gila national forest, new mexico
Wilderness act?
us gov set aside federally owned land that retains its primevil character
Wilderness?
an area of undeveloped land which is affected primarly by the forces of nature