![]() ![]() The IUCN Red List of Threatened Species - 24652 names.United Kingdom Species Inventory (UKSI) - 30171 names. ![]() The National Checklist of Taiwan (Catalogue of Life in Taiwan, TaiCoL) - 36500 names.International Plant Names Index - 51510 names.Genome Taxonomy Database r207 - 60534 names.taxonomic treatments database - 61525 names.The Plant List with literature - 68734 names.Integrated Taxonomic Information System (ITIS) - 72727 names.The Leipzig catalogue of vascular plants - 102663 names.The World Checklist of Vascular Plants (WCVP) - 140350 names.The Interim Register of Marine and Nonmarine Genera - 186581 names.The Paleobiology Database - 219888 names.World Register of Marine Species - 236791 names.UNITE - Unified system for the DNA based fungal species linked to the classification - 544254 names.International Barcode of Life project (iBOL) Barcode Index Numbers (BINs) - 620554 names.Catalogue of Life Annual Checklist 2022 - 4598400 names.The following 100 sources have been used to assemble the GBIF backbone with number of names given in brackets: The GBIF Backbone Taxonomy is available for download at in different formats together with an archive of all previous versions. In the latter case, if there is no match in the UNITE taxonomy, the lowest rank with 100% consensus within the SH will be used. SHs are connected to a taxon name and its classification based on the determination of the RefS (reference sequence) if present or the RepS (representative sequence). UNITE - Unified system for the DNA based fungal species, Species Hypotheses (SHs). If there is no consensus of name at the species level, the selection process is repeated moving up the major Linnaean ranks until consensus is achieved. BINs are connected to a taxon name and its classification by taking into account all names applied to the BIN and picking names with at least 80% consensus. International Barcode of Life project (iBOL), Barcode Index Numbers (BINs). The GBIF Backbone taxonomy also includes identifiers for Operational Taxonomic Units (OTUs) drawn from the barcoding resources iBOL and UNITE. Additional scientific names only found in other authoritative nomenclatural and taxonomic datasets are then merged into the tree, thus extending the original catalogue and broadening the backbones name coverage. It is updated regulary through an automated process in which the Catalogue of Life acts as a starting point also providing the complete higher classification above families. This backbone allows taxonomic search, browse and reporting operations across all those resources in a consistent way and to provide means to crosswalk names from one source to another. It's the taxonomic backbone that allows GBIF to integrate name based information from different resources, no matter if these are occurrence datasets, species pages, names from nomenclators or external sources like EOL, Genbank or IUCN. The GBIF Backbone Taxonomy is a single, synthetic management classification with the goal of covering all names GBIF is dealing with. ![]()
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