Linking systems to improve data quality

Javier Otegui and Rob Guralnick

>210M occurrence points+ All country boundaries+ All IUCN range maps----------------------------------9 different spatial and spatio-taxonomic issues

Causes??

Less records without coordinates

More records inside range map

Most populated: IPT

Less issues in data: IPT

Proportion of terrestrial vertebrate records with any issue:Amphibia 12%Aves 14%Mammalia 17%Reptilia 14%

Proportion of terrestrial vertebrate records inside range maps:Amphibia 30%Aves 69%Mammalia 37%Reptilia 7%

Proportion of terrestrial vertebrate records without range maps:Amphibia 50%Aves 7%Mammalia 38%Reptilia 76%

Time Source Some values

Thank you!