Contributions of Southeast GAP to the National Land Cover Dataset 2001
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Transcript of Contributions of Southeast GAP to the National Land Cover Dataset 2001
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Contributions of Southeast GAP to the National Land Cover Dataset 2001
Todd Earnhardt1, Jason Lee2, Kevin Kleiner3, Elizabeth Kramer2, Amy Silvano3, and Alexa McKerrow1
1Biodiversity and Spatial Information Center, NCSU, Raleigh, NCBiodiversity and Spatial Information Center, NCSU, Raleigh, NC2Natural Resources Spatial Analysis Laboratory, UGA, Athens, GANatural Resources Spatial Analysis Laboratory, UGA, Athens, GA3Alabama Gap Analysis Project, Auburn University, Auburn, ALAlabama Gap Analysis Project, Auburn University, Auburn, AL
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Contribution of Southeast GAP to the National Land Cover Dataset 2001
• GAP and SEGAP
• NLCD
• SEGAP + NLCD
• Future work
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GAP
It’s more than just a recursive acronym!
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GAP Analysis Program
“To provide data and analyses to keep common species common through proactive management.”
http://gapanalysis.nbii.gov/http://gapanalysis.nbii.gov/
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Gap Analysis Project
• What’s a “gap”?
• What’s a conservation gap?
• How do we “fill” a gap?
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Conservation Lands
Protection is currently <6% of its western range.
Sage Grouse Distribution
Sage Grouse Gap AnalysisCentrocercus urophasianus
Land CoverLand Cover
SpeciesDistributions
ConservationLands
ConservationLands
90 second GAP analysis
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The Southeast Gap Analysis Project From State to Regional projects
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Gap Analysis Program Regional Projects
NW-GAP
SW-GAP
SE-GAP
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SEGAP Cooperators• Biodiversity and Spatial Information Center
(BaSIC)• NC State University, Raleigh, NC
• Natural Resources and Spatial Analysis Laboratory (NARSAL)
• University of Georgia, Athens, GA
• Alabama Gap Analysis Project (AL-GAP)• Auburn University, Auburn, AL
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SEGAP Goals• Create consistent and current land cover products
for the Southeast
• Create consistent presence/absence models for 600+ native terrestrial vertebrate species
• Facilitate the incorporation of SEGAP data into current and future conservation planning efforts
• North American Bird Conservation Initiative• USFWS Refuges, Ecological Services, and CCP Planning
Process• State Comprehensive Wildlife Conservation Plans
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The National Land Cover Dataset
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National Land Cover Dataset
• NLCD efforts sponsored by the Multi-Resolution Land Characteristics (MRLC) Consortium
• NLCD 1992 was the first national land cover data set produced since the early 1970s
• In addition to remapping the lower 48 states, NLCD 2001 will include Alaska, Hawaii, and Puerto Rico
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NLCD 2001 model• Database approach
• NLCD 2001 design principles (Homer, et al, 2004)
• land cover products for a variety of users• access to intermediate database products and
derivatives• standardized land cover products that can be
quickly updated• constrain methods• compatibility with NLCD 1992
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Homer, et al, Photogrammetric Engineering and Remote Sensing, 70(7), July 2004, pp. 829-840
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SEGAP as a NLCD 2001 partner
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http://www.mrlc.gov/mrlc2k_partner_map.asp
• History
• Motivation
• Cooperation
• Timing
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Current SEGAP mapping zones
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Contributions of SE-GAP to NLCD 2001Contributions of SE-GAP to NLCD 2001
•Canopy closure•0 -100%
•7 mapping zones7 mapping zones
•Thematic land cover•15 NLCD•22 NLCD / NOAA CCAP
•Impervious surface•0 -100%
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Current uses of SE NCLD 2001
• Water quality research• Urban avoidance mask
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Future Work at SE-GAP
• Complete ecological systems mapping• Habitat mapping
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Gap Analysis Programhttp://gapanalysis.nbii.gov/
Southeast Gap Analysis Projecthttp://www.basic.ncsu.edu/segap/
MRLChttp://www.mrlc.gov/index.asp