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  2. Measurement of biodiversity - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_biodiversity

    A variety of objective means exist to empirically measure biodiversity. Each measure relates to a particular use of the data, and is likely to be associated with the variety of genes. Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness ...

  3. Species richness - Wikipedia

    en.wikipedia.org/wiki/Species_richness

    The observed species richness is affected not only by the number of individuals but also by the heterogeneity of the sample. If individuals are drawn from different environmental conditions (or different habitats), the species richness of the resulting set can be expected to be higher than if all individuals are drawn from similar environments.

  4. Latitudinal gradients in species diversity - Wikipedia

    en.wikipedia.org/wiki/Latitudinal_gradients_in...

    Species richness, or biodiversity, increases from the poles to the tropics for a wide variety of terrestrial and marine organisms, often referred to as the latitudinal diversity gradient. [1] The latitudinal diversity gradient is one of the most widely recognized patterns in ecology. [1] It has been observed to varying degrees in Earth's past. [2]

  5. Abundance (ecology) - Wikipedia

    en.wikipedia.org/wiki/Abundance_(ecology)

    SAD is a measurement of how common, or rare species are within an ecosystem. [5] This allows researchers to assess how different species are distributed throughout an ecosystem. SAD is one of the most basic measurements in ecology and is used very often, therefore many different methods of measurement and analysis have developed.

  6. Relative species abundance - Wikipedia

    en.wikipedia.org/wiki/Relative_species_abundance

    Relative species abundance is a component of biodiversity and is a measure of how common or rare a species is relative to other species in a defined location or community. [1] Relative abundance is the percent composition of an organism of a particular kind relative to the total number of organisms in the area.

  7. Top 5 Most Expensive States for Car Insurance Rates - AOL

    www.aol.com/top-5-most-expensive-states...

    Image source: Getty Images. Driving may be one of the most convenient ways to get from point A to point B, but you pay a premium for that convenience: Car insurance.

  8. Species–area relationship - Wikipedia

    en.wikipedia.org/wiki/Species–area_relationship

    Larger areas tend to contain larger numbers of species, and empirically, the relative numbers seem to follow systematic mathematical relationships. [1] The species–area relationship is usually constructed for a single type of organism, such as all vascular plants or all species of a specific trophic level within a particular site. It is ...

  9. Jessica Capshaw and Camilla Luddington on worst 'Grey's ... - AOL

    www.aol.com/entertainment/jessica-capshaw...

    Jessica Capshaw and Camilla Luddington talk about their new podcast and reflect on their time on Grey's Anatomy. (Corbis via Getty Images) (Stephane Cardinale - Corbis via Getty Images)

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