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  2. Ecosystem diversity - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_diversity

    Ecosystem diversity deals with the variations in ecosystems within a geographical location and its overall impact on human existence and the environment. Ecosystem diversity addresses the combined characteristics of biotic properties which are living organisms ( biodiversity ) and abiotic properties such as nonliving things like water or soil ...

  3. Biodiversity - Wikipedia

    en.wikipedia.org/wiki/Biodiversity

    The 1992 United Nations Earth Summit defined biological diversity as "the variability among living organisms from all sources, including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part: this includes diversity within species, between species and of ecosystems". [15]

  4. Glossary of ecology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_ecology

    Also Gause's law. A biological rule which states that two species cannot coexist in the same environment if they are competing for exactly the same resource, often memorably summarized as "complete competitors cannot coexist". coniferous forest One of the primary terrestrial biomes, culminating in the taiga. conservation biology The study of Earth's biodiversity with the aim of protecting and ...

  5. Ecology - Wikipedia

    en.wikipedia.org/wiki/Ecology

    Ecology addresses the full scale of life, from tiny bacteria to processes that span the entire planet. Ecologists study many diverse and complex relations among species, such as predation and pollination. The diversity of life is organized into different habitats, from terrestrial to aquatic ecosystems.

  6. Measurement of biodiversity - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_biodiversity

    Species diversity [3] is the relationship between species evenness and species richness. There are many ways to measure biodiversity within a given ecosystem. However, the two most popular are Shannon-Weaver diversity index, [4] commonly referred to as Shannon diversity index, and the other is Simpsons diversity index. [5]

  7. Megadiverse countries - Wikipedia

    en.wikipedia.org/wiki/Megadiverse_countries

    2 List of most biodiverse countries 2022. 3 See also. 4 ... A megadiverse country must have at least 5,000 species of endemic plants and must border marine ecosystems.

  8. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    The term "ecosystem" was first used in 1935 in a publication by British ecologist Arthur Tansley. The term was coined by Arthur Roy Clapham, who came up with the word at Tansley's request. [6] Tansley devised the concept to draw attention to the importance of transfers of materials between organisms and their environment.

  9. Portal:Ecology - Wikipedia

    en.wikipedia.org/wiki/Portal:Ecology

    The High Peaks Wilderness Area in the 6,000,000-acre (2,400,000 ha) Adirondack Park is an example of a diverse ecosystem. (from Ecosystem ) Image 9 Loch Lomond in Scotland forms a relatively isolated ecosystem.