Biodiversity

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Biodiversity

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The variety of life in a area, determined by the number of different species in that area

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Genetic diversity

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Variety of genes or characteristics in a population

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Species diversity

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The number of different species and the amount of species in a community

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Ecosystem diversity

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The variety of ecosystems that are present in the biosphere

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Direct economic value

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Making money from natural resources

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Indirect economic value

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No profit of resources just use of them for free

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Background extinction

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The gradual process of species becoming extinct

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Mass extinction

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An event in which a large percentage of all living species become extinct in a relatively short period of time

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Are scientists more concerned with mass extinction or background extinction

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Mass extinction

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Overexploitation

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Excessive use of species that have economic value

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Destruction of habitat

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Has a direct impact on global diversity

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Disruption of habitat

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Can start a chain reaction and effect an entire ecosystem

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Fragmentation

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The separation of an ecosystem into small pieces of land

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Pollution

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Changes the composition of land air and water

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Acid rain

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Sulfuric and nitric acid that comes down into the environment

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Eutrophication

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Occurs when nitrogen and phosphorus flow into waterways, causing extensive algae growth

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Introduced species

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Nonnative species that are brought into a new habitat us ally bad for native species

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Biological magnification

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The increasing concentration of toxic substances in an organisms trophic level

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Renewable resource

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Resources that can be replaced easily, or faster than they can be consumed

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Non-renewable resource

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Resources that are hard or impossible to replace

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Sustainable use

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Not using resources faster than they can be replaced

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Biodiversity Hotspots

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Region on the earth with a high biodiversity that is not found in other places

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Endemic species

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Are only found in one specific geographic location

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Corridors

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Structures or areas that connects two habitats

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Bioremediations

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The use of living organisms to detoxify a polluted area

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Bioaugmentation

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Adding a predator to an ecosystem to remove an unwanted organism

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Endangered species act

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Protects species that are or in danger of becoming extinct

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Convention of international trade of endangered species of flora and fauna

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Outlawed the trade of endangered species and animals parts