PADDDtracker: Crowdsourcing PADDDs Using the Power of ArcGIS for Server

Adrienne Allegretti, Blue RasterESRI UC, San Diego - July 9, 2013

© Diane Hargreaves / hargreavesphoto.com

The Facts About Protected Areas

• 130,000 across the world• Over 13% of the world’s surface• Cover 4% of the world’s water• One of the largest land uses on the planet. • Often times the only hope to stopping many

threatened or endangered species from becoming extinct

• We assume their protected status will remain intact into perpetuity

What are PADDDs?

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Degazetted

Downsized

Boundaries reduced Decrease in the restrictions on the

number, magnitude or types of activities

Functional loss of legal protection

Cause of PADDDs

Industrial Local Cons planning

Other Unknown0

500

1000

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enactedproposed

Num

ber o

f PA

DD

D e

vent

s

Enacted PADDD, 1900-2012

1900 1905 1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 20100

20

40

60

80

100

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Virunga: A PADDD Case Study

Image courtesy of NPR

Photo courtesy of gorilla.cd via Flickr

Data Collection

• WDPA• Peer-reviewed literature• Grey literature• News and media• Expert consultations

Image used under Creative Commons from Andrew Smith

Front Loading the Data

Step 1. FME transforms Excel to FGDB TableStep 2. ArcMap - join table to geometry (points and polygons)Step 3. Migrate point and polygon featureclasses to ArcSDE

Map Service Set Up and Security

Step 1. Publish service with Feature AccessStep 2. Under Server Manager Security, set up Users and RolesStep 3. Edit service permissions and apply security to feature service

Creating A Token from Rest Admin

PADDDtracker Architecture

• HTML 5 • Uses ArcGIS for Server and ArcGIS API for JavaScript• Drupal for content management

PADDDtracker Architecture

Demo

Conclusions• PADDD is widespread and

overlooked• Historic & Contemporary• Has implications for:

–Conservation–Human well-being–Development