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National Feral Swine Mapping System
Dr. Joseph L. Corn Southeastern Cooperative Wildlife Disease Study
University of Georgia United States Animal Health Association
San Diego, California; October 20,2013
SCWDS Feral Swine Maps
►Initial series of maps completed in 1982 ►Funded by USDA-APHIS-Veterinary Services ►Original series included FMD-susceptible
species: white-tailed deer, elk, moose, mule deer, black-tailed deer, bighorn sheep, Dall’s sheep, mountain goat, collared peccary, and feral swine
Data Collection
►National feral swine maps completed in 1982, 1988, 2004, 2008, 2009, 2010, 2011 and 2012
►Data collected nationally from state wildlife resources agencies 1982-present
►Data collected from state/federal wildlife and agriculture agencies 2008-present
National Feral Swine Mapping System: 2008
►USDA-APHIS-Veterinary Services ►Interactive and internet-based ►Home page available to public ►Interactive sections password protected ►Maps available for downloading ►Agencies can submit data at any time ►Updated monthly ►http://www.feralswinemap.org
Report Feral Swine
►Used for submission of distribution reports; password protected
►Distributions can be added or deleted ►Data entered as populations or sightings ►Passwords assigned to state wildlife agency
representatives in every state ►Representatives can submit potential map
updates as data are available
Distribution Criteria
►Maps are of established feral swine populations Distributions as reported by designated
personnel with state and/or federal agencies Feral swine considered established where they
have been present for two or more years and where there is evidence of reproduction
Expansion of Feral Swine Established Feral Swine Populations
► 1982: 17 states ► 2004: 28 states ► 2011: 37 states ► 2012: 36 states
Feral Swine Distributions
1982
2010
Factors Associated with Spread
►Dispersal of feral swine from extant populations
►Escape/release of domestic/penned swine ►Transport and release of feral swine
Status
►NFSMS operational since January 2008 ►Quality of the maps depends on the data
provided by state/federal agencies ►Since January 2008 over 600 additions have
been made to the map ►Current reported distribution now includes
36 states with established populations
Collaboration
►Providing maps and GIS datasets to state and federal wildlife and agriculture agencies and universities for use in ongoing research and management
►(USDA, USFWS, BLM, NPS, DOHS, DOD, DOT, CDC, state wildlife agencies, state agriculture agencies, state parks, media)
►We can provide state, regional and national maps for any years that we have data
Modeling the Spread of Feral Hogs based on Environmental Factors
Feral Hog Working Group: National Institute for Mathematical and
Biological Synthesis
NIMBioS: Modeling the Spread of Feral Swine
Predicted P/A (2004-2009-2014)
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