taxonomic & data-quality challenges of large-scale citizen science: examples from
DESCRIPTION
Taxonomic & data-quality challenges of large-scale citizen science: Examples from. Marshall J. Iliff, eBird Project Leader. Growth in eBird Observations & Checklists. Observations. Checklists. In 2009, volunteers contributed more than 780,000 hours collecting bird observations. . - PowerPoint PPT PresentationTRANSCRIPT
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Taxonomic & data-quality challenges of large-scale citizen science: Examples from
Marshall J. Iliff, eBird Project Leader
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2003
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2009
2010
0
200,000
400,000
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800,000
1,000,000
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1,400,000
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2,200,000
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Observations
Checklists
Growth in eBird Observations & Checklists
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In 2009, volunteers contributed more than 780,000 hours collecting bird observations.
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The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
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The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
![Page 10: Taxonomic & data-quality challenges of large-scale citizen science: Examples from](https://reader035.vdocument.in/reader035/viewer/2022062501/56816405550346895dd5acc2/html5/thumbnails/10.jpg)
The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
![Page 11: Taxonomic & data-quality challenges of large-scale citizen science: Examples from](https://reader035.vdocument.in/reader035/viewer/2022062501/56816405550346895dd5acc2/html5/thumbnails/11.jpg)
The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
![Page 12: Taxonomic & data-quality challenges of large-scale citizen science: Examples from](https://reader035.vdocument.in/reader035/viewer/2022062501/56816405550346895dd5acc2/html5/thumbnails/12.jpg)
The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
![Page 13: Taxonomic & data-quality challenges of large-scale citizen science: Examples from](https://reader035.vdocument.in/reader035/viewer/2022062501/56816405550346895dd5acc2/html5/thumbnails/13.jpg)
The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
![Page 14: Taxonomic & data-quality challenges of large-scale citizen science: Examples from](https://reader035.vdocument.in/reader035/viewer/2022062501/56816405550346895dd5acc2/html5/thumbnails/14.jpg)
The eBird Taxonomy (v1.05)
• 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/ebird-taxonomy for download
• Personal support for taxonomic questions
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The eBird Taxonomy
Taxa: 11,920 eBird 1.05
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The eBird Taxonomy
Taxa: 11,920 10,005Species: e.g., Ivory Gull
eBird 1.05
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The eBird Taxonomy
Taxa: 11,920 10,005Species:
eBird 1.05
Ssp. groups: e.g., “Western” Willet 1333
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The eBird Taxonomy
Taxa: 11,920 10,005Species:
eBird 1.05
Ssp. groups:
Spuhs: e.g., Empidonax sp.
1333435
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The eBird Taxonomy
Taxa: 11,920 10,005Species:
eBird 1.05
Ssp. groups:
Spuhs:
Hybrids: e.g., Snowy Egret x Tricolored Heron
1333435113
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The eBird Taxonomy
Taxa: 11,920 10,005Species:
eBird 1.05
Ssp. groups:
Spuhs:
Hybrids:
1333435113
Others: e.g., “Domestic” Mallard, undescribed species
34
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eBird 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
• ~1,000,000 record reviewed annually; 67% accepted
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eBird 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
• ~1,000,000 record reviewed annually; 67% accepted
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eBird 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
• ~1,000,000 record reviewed annually; 67% accepted
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eBird 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
• ~1,000,000 record reviewed annually; 67% accepted
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Indigo Bunting | Full Year
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Chimney Swift | Full Year
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Indigo Bunting | Breeding
St. Louis
Chicago
Atlanta
Detroit
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Chimney Swift | Breeding
Chicago
AtlantaDallas
Houston
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and beyond…