File:Taxonomic bias in biodiversity occurence.png

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Description Taxonomic bias in biodiversity occurrence data. The vertical line at x = 0 depicts the ‘ideal’ number of occurrences per class, where each class is sampled proportionally to its number of known species. Green and red bars show the classes that are over- and under-represented in the GBIF mediated database compared to this ‘ideal’ sampling, respectively. Insects lack >200 millions occurrences and birds have an excess of >200 millions occurrences compared to an unbiased taxonomic sampling. Because birds and insects are greatly over- and under-represented, respectively, an inverse hyperbolic sine transformation was used for the x-axis.
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Source https://doi.org/10.1038/s41598-017-09084-6
Author Julien Troudet, Philippe Grandcolas, Amandine Blin, Régine Vignes-Lebbe, Frédéric Legendre

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current20:16, 21 February 2023Thumbnail for version as of 20:16, 21 February 20231,598 × 1,407 (3.08 MB)A11w1ss3nd (talk | contribs){{Information |Description=Taxonomic bias in biodiversity occurrence data. The vertical line at x = 0 depicts the ‘ideal’ number of occurrences per class, where each class is sampled proportionally to its number of known species. Green and red bars show the classes that are over- and under-represented in the GBIF mediated database compared to this ‘ideal’ sampling, respectively. Insects lack >200 millions occurrences and birds have an excess of >200 millions occurrences compared to an unb...

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