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