Citizen Science - Atlas of Australian Birds - Graeme Hamilton
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Transcript of Citizen Science - Atlas of Australian Birds - Graeme Hamilton
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The Atlas of Australian Birds
From atlassing to monitoring
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Overview
• A very brief history of Atlas• Project objectives• Data structure• Challenges• Regional scale reporting• Resourcing
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The Atlas – a one minute history
• First Atlas 1977-1981: project initiated to establish species distributions
• Second atlas 1998-2002: point locations defined
• Continuous data flow since 1998 –currently stable at over 2,000 surveys/month
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Data volume:sightings per year (total c. 8M)
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1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008Year
No. o
f Sig
htin
gs
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Data volume:surveys per year (total c. 0.5M)
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10000
20000
30000
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1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008Year
No. o
f Sur
veys
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Participation:number of active observers (total ≥ 5556)
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1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008Year
No
of O
bser
vers
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Project Objectives• Original aim was to map distribution• Some current aims:
> track (and report on) population changes
: in abundance
: in distribution
> engage communities in biodiversity/monitoring
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Other potential objectives
• Integrate with national monitoring • Integrate with international reporting
objectives• Contribute to ‘indicators’ approaches
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Data collection• Area searches: within 500m or 5km
radius, ≥ 20 min• Incidental search: usually a one-off
sighting• 2ha/20min search • Fixed route surveys: fixed site/method• Group atlassing sites: fixed site/method
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Data structure
• Increasing proportion of fixed-site, fixed effort and count data, and repeat visits
• Potentially large amount of latent structure (repeated area searches which are Fixed Route Surveys)
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Regional ReportingACRIS Rangelands
• Composite indices (Ross Cunningham – A.N.U.);
• Change in reporting rates based on presence-absence data
• High level of heterogeneity of trend across IBRAs
• Assessed trends for 60 most common species in 10 IBRAs
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-10
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1999 2000 2001 2002 2003 2004 2005 2006 post2006
Year
No
. of s
pec
ies
Slight peak
Stong peak
Strong trough
Slight trough
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Key Challenge: engagement Atlassers are:
• Highly skilled• Patchily distributed (heavily
concentrated in the coastal population centres)
• Old!
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Key Challenge: promote fixed-site monitoring
• Defined sites• Repeat visits• Controlled sampling effort and method• Same observer per site• Continuity - Australian Bird Count 1986-
96
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Resources
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Where do birds fit inNational Accounts?
As a surrogate for assessing the condition of native vegetation – Wentworth Group
• Well distributed across habitats• Play a variety of ecological roles• Use a wide variety of resources• Cheap to count• Manageable number of species• Existing datasets
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How are we incorporating these data?
Partnership with Atlas of Living Australia
• Birds Australia database remains central repository
• All data made freely available to ALA• ALA assisting BA in tools for data acquisition,
capture, management - web-based portals• BA manages data acquisition, quality, licence
restrictions
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Potential role in research? Yes – but only if you’re asking the right
questions
Can TERN support it better?
Yes – but don’t give us a new survey method
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Thanks
www.birdsaustralia.com.au