apes 11 12 21
Terms in this set (22)
Value of an organism, species, ecosystem, or the earth's biodiversity based on its existence, regardless of whether it has any usefulness to us.
value or worth of objects that satisfy the needs and wants of moral agents. Objects that can be used as a means to some desirable end.
the study and implementation of methods to protect biodiversity
the applied science of managing, analyzing, and communicating biological information
old growth forest
one that has never been cut; these forests have not been seriously disturbed for several hundred years.
second growth forest
a stand of trees resulting from secondary ecological succession
Site planted with one or only a few tree species in an even-aged stand. When the stand matures it is usually harvested by clear-cutting and then replanted. These farms normally are used to grow rapidly growing tree species for fuelwood, timber, or pulpwood.
even aged management
Method of forest management in which trees, sometimes of a single species in a given stand, are maintained at about the same age and size and are harvested all at once.
uneven aged management
Method of forest management in which trees of different species in a given stand are maintained at many ages and sizes to permit continuous natural regeneration.
Harvesting only mature trees of certain species and size; usually more expensive then clear-cutting but it is less disruptive for wildlife and often better for forest regeneration
cut dead trees first, then less desirable trees, and cut mature trees last (creates open areas that encourage growth)
seed tree cutting
removes all but a few seed trees to promote regeneration
cutting all the trees in an area down at once
clear-cutting a strip of trees along the contour of land within a corridor narrow enough to allow natural regeneration
destruction of forests
Deliberate alteration of a degraded habitat or ecosystem to restore as much of its ecological structure and function as possible.
a species whose numbers are so small that the species is at risk of extinction
a species that could become endangered in the near future
the science of inventing, establishing and maintaining new habitats to conserve species diversity in places where people live, work or play.
an increase in the average temperature of the earth's atmosphere (especially a sustained increase that causes climatic changes)
global climate change
relatively rapid worldwide changes in temperature and precipitation
the fraction of solar radiation that is reflected off the surface of an object
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