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  2. Convention on Biological Diversity - Wikipedia

    en.wikipedia.org/wiki/Convention_on_Biological...

    The Convention on Biological Diversity (CBD), known informally as the Biodiversity Convention, is a multilateral treaty. The Convention has three main goals: the conservation of biological diversity (or biodiversity); the sustainable use of its components; and the fair and equitable sharing of benefits arising from genetic resources.

  3. Biodiversity - Wikipedia

    en.wikipedia.org/wiki/Biodiversity

    Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness, species richness, and species diversity are to be obtained first. Species evenness[181] is the relative number of individuals of each species in a given area.

  4. Marine ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_ecosystem

    Marine ecosystems are characterized by the biological community of organisms that they are associated with and their physical environment. Classes of organisms found in marine ecosystems include brown algae, dinoflagellates, corals, cephalopods, echinoderms, and sharks. Marine ecosystems are important sources of ecosystem services and food and ...

  5. Global Assessment Report on Biodiversity and Ecosystem ...

    en.wikipedia.org/wiki/Global_Assessment_Report...

    The Global Assessment Report is a global-level assessment of changes in Earth's biodiversity that have occurred over the past 50 years. It draws an extensive picture of economic development and its effects on nature in that period. The Report is a collaborative effort by 145 authors from 50 countries, [8] produced over a three-year period and ...

  6. Biogeography - Wikipedia

    en.wikipedia.org/wiki/Biogeography

    v. t. e. Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area. [1] Phytogeography is the branch of biogeography that studies the ...

  7. Conservation biology - Wikipedia

    en.wikipedia.org/wiki/Conservation_biology

    – Theodore Roosevelt Natural resource conservation Conscious efforts to conserve and protect global biodiversity are a recent phenomenon. Natural resource conservation, however, has a history that extends prior to the age of conservation. Resource ethics grew out of necessity through direct relations with nature. Regulation or communal restraint became necessary to prevent selfish motives ...

  8. Ecology - Wikipedia

    en.wikipedia.org/wiki/Ecology

    v. t. e. Ecology (from Ancient Greek οἶκος (oîkos) 'house' and -λογία (-logía) 'study of') [A] is the natural science of the relationships among living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere levels.

  9. All-taxa biodiversity inventory - Wikipedia

    en.wikipedia.org/wiki/All-taxa_biodiversity...

    An all-taxa biodiversity inventory, or ATBI, is an attempt to document and identify all biological species living in some defined area, usually a park, reserve, or research area. The term was coined in 1993, in connection with an effort initiated by ecologist Daniel Janzen to document the diversity of the Guanacaste National Park in Costa Rica.