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18 Cards in this Set

  • Front
  • Back
sum total of all organisms in an area
species diversity
number or variety of species in the world or in a particular region
genetic diversity
differences in DNA within species and populations
disappearance of a particular population from a given area
5 primary causes of pop. decline and extinction
habitat alteration, invasive species, pollution, over-harvesting, global climate change
connections that humans subconsciously seek with the rest of life
equilibrium theory of island biogeography
explains how species come to be distributed among oceanic islands
Endangered Species Act (ESA)
primary legislation for protecting biodiversity in the U.S.
Convention on International Trade in Endangered Species (CITES)
protects endangered species by banning the international transport of their body parts
biodiversity hotspot
area that supports an especially great number of species that are endemic to the area
found nowhere else in the world
umbrella species
helps meet the needs of thousands of animals, plants and fungi
resource management
harvesting renewable resources in ways that don't deplete them
maximum sustainable yield
maximum amount of resource extraction possible without depleting the resource
ecosystem-based management
attempts to manage harvesting of resources in ways that minimize impact on ecosystems
Northwest Forest Plan
used science extensively to guide management
National Forest Management Act
mandated that plans for renewable resource management be drawn up for every national forest
Bureau of Land Management (BLM)
nation's single largest landowner