linking systems to improve data quality

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Linking systems to improve data quality Javier Otegui and Rob Guralnick

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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??. Time. Source. Some values. - PowerPoint PPT Presentation

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Page 1: Linking systems to improve data quality

Linking systems to improve data quality

Javier Otegui and Rob Guralnick

Page 2: Linking systems to improve data quality
Page 3: Linking systems to improve data quality
Page 4: Linking systems to improve data quality

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

Causes??

Page 5: Linking systems to improve data quality

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

Page 6: Linking systems to improve data quality
Page 7: Linking systems to improve data quality

Thank you!