Global Amphibians Family Richness

Name: Global Amphibians Family Richness
Creator: UNEP, Office of Science
Published: 2022-09-06 13:10:36
License: 暂无描述

Open SDG Hub for the Environment2022-09-06 更新2026-05-16 收录

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<div>Maps of cone snail diversity include the total species richness, threatened species, small-ranged species, and species considered to be data-deficient by the IUCN. Species considered small-ranged are those with a geographic range size smaller than the global median (i.e., the 50% of species with the smallest ranges). Maps are based on data from the <a href='http://www.iucnredlist.org/technical-documents/spatial-data'>IUCN</a>, July 2013 update. Bird diversity include the total species richness (using breeding, non-breeding, and combined ranges), major taxonomic groups (non-Passeriformes, Passeriformes, Tyranni, Passeri), parrots, hummingbirds, threatened species, and small-ranged species. Species considered small-ranged are those with a geographic range size smaller than the global median (i.e., the 50% of species with the smallest ranges). Maps are derived from digital distribution maps for all the world's birds in <a href='http://www.birdlife.org/datazone/info/spcdownload'>BirdLife International and NatureServe</a> (2013). Mammal diversity include the total species richness, major taxonomic Orders (Cetartiodactyla, Carnivora, Primates, Eulipotyphla, Chiroptera, Rodentia), marsupials, threatened species, and small-ranged species. Species considered small-ranged are those with a geographic range size smaller than the global median (i.e., the 50% of species with the smallest ranges). Maps are based on data from the <a href='http://www.iucnredlist.org/technical-documents/spatial-data'>IUCN</a>, July 2013 update. Amphibian diversity include the total species richness, major taxonomic Orders (Anura, Caudata, Gymnophiona), threatened species, and small-ranged species. Species considered small-ranged are those with a geographic range size smaller than the global median (i.e., the 50% of species with the smallest ranges). Maps are based on data from the <a href='http://www.iucnredlist.org/technical-documents/spatial-data'>IUCN</a>, July 2013 update. All maps have been generated at a spatial resolution of 10x10km and use the Eckert IV equal-area projection. Maps represent native, extant species only.</div>

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