Taxonomic dataquality challenges of largescale citizen science Examples








































- Slides: 40
Taxonomic & data-quality challenges of large-scale citizen science: Examples from Marshall J. Iliff, e. Bird Project Leader
Growth in e. Bird Observations & Checklists 2, 200, 000 220000 2, 000 200000 1, 800, 000 180000 Observations 1, 600, 000 160000 1, 400, 000 140000 1, 200, 000 120000 1, 000 100000 800, 000 80000 600, 000 60000 Checklists 400, 000 40000 200, 000 20000 0 0 2003 2004 2005 2006 2007 2008 2009 2010
In 2009, volunteers contributed more than 780, 000 hours collecting bird observations.
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy (v 1. 05) • User familiarity is the goal • Familiar Clements 6. 4 is base global taxonomy • Follows recognized regional authorities for taxonomic and nomenclatural decisions • Standardized English and Scientific Names for all taxa • Translations in other languages • http: //ebird. org/content/ebird/about/ebirdtaxonomy for download • Personal support for taxonomic questions
The e. Bird Taxonomy e. Bird 1. 05 Taxa: 11, 920
The e. Bird Taxonomy e. Bird 1. 05 Taxa: Species: e. g. , Ivory Gull 11, 920 10, 005
The e. Bird Taxonomy e. Bird 1. 05 Taxa: Species: Ssp. groups: e. g. , “Western” Willet 11, 920 10, 005 1333
The e. Bird Taxonomy e. Bird 1. 05 Taxa: Species: Ssp. groups: Spuhs: e. g. , Empidonax sp. 11, 920 10, 005 1333 435
The e. Bird Taxonomy e. Bird 1. 05 Taxa: Species: 11, 920 10, 005 Ssp. groups: Spuhs: Hybrids: e. g. , Snowy Egret x Tricolored Heron 1333 435 113
The e. Bird Taxonomy e. Bird 1. 05 Taxa: Species: Ssp. groups: Spuhs: Hybrids: Others: e. g. , “Domestic” Mallard, undescribed species 11, 920 10, 005 1333 435 113 34
e. Bird Data Quality: Crowdsourcing • 1100 automated filters check every submission • Flagged records require validation • ~300 experts vet all flagged records and request voucher material when needed • ~1, 000 record reviewed annually; 67% accepted
e. Bird Data Quality: Crowdsourcing • 1100 automated filters check every submission • Flagged records require validation • ~300 experts vet all flagged records and request voucher material when needed • ~1, 000 record reviewed annually; 67% accepted
e. Bird Data Quality: Crowdsourcing • 1100 automated filters check every submission • Flagged records require validation • ~300 experts vet all flagged records and request voucher material when needed • ~1, 000 record reviewed annually; 67% accepted
e. Bird Data Quality: Crowdsourcing • 1100 automated filters check every submission • Flagged records require validation • ~300 experts vet all flagged records and request voucher material when needed • ~1, 000 record reviewed annually; 67% accepted
Indigo Bunting | Full Year
Chimney Swift | Full Year
Indigo Bunting | Breeding Chicago St. Louis Atlanta Detroit
Chimney Swift | Breeding Chicago Atlanta Dallas Houston
and beyond…