This page provides access to all GAP Bulletins.
To expand the table of contents for a
bulletin, click on the bulletin title. To view an article, click on
the article title. To get a pdf copy of a bulletin, click on the
pdf icon at the bottom of each table of contents.
Features
Assigning conservation management status to Alaska's landsLand Cover
Land cover map for Map Zones 8 and 9 developed from SageMap, GNN, and SWReGAP: A pilot for NWGAPAnimal Modeling
Novel approaches to mapping vertebrate occurrence for the Northwest Gap Analysis ProjectApplications
Use of explicit decision rules for identification of conservation
priorities in Eastern San Diego County
Adam Wagschal and Melanie Ann Casey
Aquatic
Improving predicted distribution models for riverine species: An example from NebraskaFinal Report Summaries:
Hawaii
Gap Analysis Project
Barbara Gibson
Wisconsin Gap Analysis Project
Jill Maxwell
Nebraska
Gap Analysis Project
G.M. Henebry
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Suggested citation: J. Maxwell, Gergely, K., Aycrigg, J., Davidson, A., Canonico, G., and Coffey, N., editors. 2007. Gap Analysis Bulletin No. 15. USGS/BRD/Gap Analysis Program, Moscow, ID. |
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FEATURES
Role of GAP Data in State Wildlife Plan Development: Opportunities and Lessons Learned
Jill Maxwell
Susan Abele
APPLICATIONS
GIS-based Niche Modeling for Mapping Species’ Habitat
Kristine L. Preston, John T. Rotenberry, and Steven Knick
Application of SWReGAP Data to the Forest Stewardship Program’s Spatial Analysis Project in Utah
Lisa Langs
Julie Prior-Magee
Rob Dietz
AQUATIC GAP
Development of an Aquatic GAP for the Lower Colorado River Basin
Joanne Whittier
FINAL REPORT SUMMARIES
NOTES AND ANNOUNCEMENTS
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FEATURES
A Brief Overview of the Southwest Regional GAP Land Cover Mapping Effort (print version)
John Lowry
GAPServe Brings GAP Data Online (print version)
Donna Roy and Jill Maxwell
Refining Southeast Regional GAP Models for Use in Regional Bird Conservation Planning: A Pilot Project (print version)
Steven G. Williams and Alexa J. McKerrow
APPLICATIONS
The Integration of GAP Data into State Comprehensive Wildlife Conservation Strategies (print version)
Jill Maxwell
Identification of Conservation Priority Areas in Georgia (print version)
Liz Kramer and Matt Elliott
Development of a Community Stewardship Program for the Pierce County Biodiversity Network (print version)
Karen Dvornich, Katherine Brooks, Michelle Tirhi, and John Garner
LAND COVER
Identifying Longleaf Ecosystems Using Polytomous Logistic Regression (print version)
John S. Hogland and Mark D. Mackenzie
Ecological Systems as GAP Map Units in the Southeastern United States (print version)
Alexa J. McKerrow and Milo Pyne
AQUATIC GAP
Central Regional Database for Great Lakes Regional Aquatic GAP (print version)
Dora R. Passino-Reader, Scott R. Nelson, Jana S. Stewart, Allain J. Rasolofoson, Judith C. Thomas, and Limei Zhang
Great Lakes Regional Aquatic GAP: Development of a Physical Habitat Geographic Information System (GIS) Database for Riverine Systems in the Great Lakes Basin (print version)
Ed Bissel, Steve Aichele, and Jana Stewart
Habitat Vulnerability Assessment in the Hudson River Valley (print version)
Stephen D. Smith, Warren A. Brown, Charles R. Smith, and Milo E. Richmond
Development of a Coastal Habitat Framework for Near-Shore Coastal Systems (print version)
Jim McKenna, Chris Castiglione, Burke Greer, and Dick McDonald
FINAL REPORT SUMMARIES
Michigan Gap Analysis Project (print version)
Michael Donovan
Mississippi Gap Analysis Project (print version)
Francisco J. Villea
North Carolina Gap Analysis Project (print version)
Alexa J. McKerrow and Steven G. Williams
North Dakota Gap Analysis Project (print version)
Laurence L. Strong
Oklahoma Gap Analysis Project (print version)
William L. Fisher and Mark S. Gregory
STATE PROJECT REPORTS (print version)
REGIONAL PROJECT REPORTS (print version)
AQUATIC GAP PROJECT REPORTS (print version)
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FEATURES
AQUATIC GAP
A Comprehensive Biological Inventory Database for the Iowa Aquatic GAP Project
Anna Loan-Wilsey, Robin L. McNeely, Patrick D. Brown, Kevin L. Kane, and Clay L. Pierce
Surveys to Evaluate Fish Distribution Models for the Upper Missouri River Basin Aquatic GAP Project
Steve E. Freeling, Charles R. Berry, Jr., Ryan M. Sylvester, Steven S. Wall, and Jonathan A. Jenks
Scott P. Sowa, Gust M. Annis, David D. Diamond, Dennis Figg, Michael E. Morey, and Timothy Nigh
APPLICATIONS
A Framework to Extend Gap Analysis to Multi-Objective Conservation Planning
David Stoms, Frank Davis, Chris Costello, Elia Machado, and Josh Metz
LAND COVER
John Lowry, Christine Garrard, and Doug Ramsey
The Wide Dynamic Range Vegetation Index and its Potential Utility for Gap Analysis
Geoffrey M. Henebry, Andrés Viña, and Anatoly A. Gitelson
Keith Pohs and Kathryn Thomas
Hierarchical Land Cover Classification for Hawaii
Steven Hochart, Dan Dorfman, Samuel Gon III, and Dwight Matsuwaki
ANIMAL MODELING
Geoffrey M. Henebry, Brian C. Putz, Milda R. Vaitkus, and James W. Merchant
Milda R. Vaitkus, Geoffrey M. Henebry, Brian C. Putz, and James W. Merchant
FINAL REPORT SUMMARIES
Kevin L. Kane
Keith Wethington
Maryland, Delaware, New Jersey Gap Analysis Project
D. Ann Rasberry
South Dakota Gap Analysis Project
Jonathan A. Jenks
Nick C. Parker
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Suggested citation: Brackney, E.S., and M.D. Jennings, editors. 2003. Gap Analysis Bulletin No.12. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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Animal Modeling
GAP Conservation and Science Goals: Rethinking the Underlying Biology
Raymond J. O'Connor
Leona K. Svancara, William Kristan, and J. Michael Scott
Prioritizing Conservation of Biodiversity Using a Multispecies Approach
Karen V. Root
Improving Vertebrate Modeling in Gap Analyses: Incorporating Minimum Viable Populations and Functional Connectivity in Patchy Environments
C.R. Allen, K. Simpson, and A.R. Johnson
Description and Application of an Accuracy Assessment Method for Gap Analysis Models
Jill A. LaBram, Amanda E. Peck, and Craig R. Allen
Asessing the Effects of Land Cover and Landscape Pattern
Amanda K. Holland, Geoffrey M. Henebry, Brian C. Putz, Milda R. Vaitkus, and James W. Merchant
Cross-Border Species Distribution Modeling: An Invitation for Partners from the United States
Dan McKenney
Species Mapping for Conservation
Michael A. McCarthy and Jane Elith
AQUATIC GAP
Progress of the Aquatic GAP Project in the Lower Missouri River Basin
Keith Gido
Great Lakes Aquatic GAP Project
Donna N. Myers, James McKenna, Dora Passino-Reader, and Jana S. Stewart
Aquatic GAP: Regional Analysis of Biodiversity in the ACT/ACF Basins
Elise R. Irwin, James Peterson, Byron J. Freeman, Liz Kramer, and Mary C. Freeman
Expanding South Dakota Aquatic Gap Analysis to the Upper Missouri River Basin
Steven S. Wall, Chad J. Kopplin, Brenda L. Kopplin, Jonathan A. Jenks, and Charles R. Berry, Jr
APPLICATIONS
Building on GAP Land Stewardship Analysis: A Partnership Application with Local Government
Patricia Iolavera, Katherine Rose Brooks, Christian Grue, and Frank Westerlund
Successful Integration of GAP Databases into Town Planning: The Maine Experience
William B. Krohn, Richard L. Dressler, and G. Mark Stadler
Long-Term Implementation Strategies for Biodiverse Lands
Karen M. Dvornich, Katherine Brooks, John Garner, and Michelle Tirhi
How Can We Produce Educational Products with GAP Data?
Glennis A. Kaufman, Dawn M. Kaufman, and Ryan L. Rehmeier
INTERNATIONAL
Gap Analysis Program: Potential to Support Conservation Initiatives in the Republic of Georgia
Irakli Goradze
Tsuyoshi Yoshida, Kazuo Yamaguchi, and Masami Kaneko
FINAL REPORT SUMMARIES
South Carolina Gap Analysis Project
Elise V. Schmidt
Jack Cully
NOTES AND ANNOUNCEMENTS
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Suggested citation: Brackney, E.S., R. Brannon, K.J. Gergely, and M.D. Jennings, editors. 2002. Gap Analysis Bulletin No. 11. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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NATIONAL NOTES
Gap Analysis of the Flora of Wyoming
Walter Fertig and Robert Thurston
Managing Biodiversity in Oklahoma: A Case for Private Land Conservation
William L. Fisher and Mark S. Gregory
The Gap Analysis Program on the Assessment of Nature Reserves of Mexico
César Cantú , J. Michael Scott, and R. Gerald Wright
LAND COVER
Preclassification: An Ecologically Predictive Landform Model
Gerald Manis, John Lowry, and R. Douglas Ramsey
A Methodological Study for Accuracy Assessment of GAP Land Cover Maps
Sarah M. Nusser, Erwin E. Klaas, Carsten H. Botts, and Robin McNeely
An Evaluation of Helicopter Use for Collecting Land Cover Data for Southwest ReGAP in Colorado
Donald L. Schrupp, Dianne D. Osborne, and Lee E. O'Brien
ANIMAL MODELING
Modeling Reptile and Amphibian Range Distributions from Species Occurrences and Landscape Variables
Geoffrey M. Henebry, Brian C. Putz, and James W. Merchant
Assessing the Accuracy of Gap Analysis Predicted Distributions of Idaho Amphibians and Reptiles
Charles R. Peterson, Stephen R. Burton, Davis S. Pilliod, John R. Lee, John O. Cossel, Jr., and Robin L. Llewellyn
APPLICATIONS
Steven G. Williams, Casson Stallings, JohnAnn Shearer, and Alexa J. McKerrow
Barriers to Use of the GAP Database by Local and Regional Land Use Planners in New Mexico
Russ Winn and Diane-Michele Prindeville
Christopher B. Cogan
A Method to Assess Risk of Habitat Loss to Development: A Colorado Case Study
David M. Theobald, Donald Schrupp, and Lee E. O'Brien
Planting Seeds for Conservation Planning in Tennessee
Marty Marina
Leona Svancara
West Virginia Gap Analysis Project
Charles Yuill and Jacqueline Strager
Announcing National GAP Annual Meeting in West Virginia
New Flash Movie to Explain GAP
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Suggested citation: Brackney, E.S., R. Brannon, K.J. Gergely, and M.D. Jennings, editors. 2001. Gap Analysis Bulletin No. 10. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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FEATURES
Kevin Gergely
FEATURES
Enhancing the GAP Organization
Lief Horwitz, John Mosesso, and Rob Dietz
Partnering in Great Plains Regional GAP
Glennis Kaufman, Jack Cully, Geoffrey Henebry, Jonathan Jenks, Kevin Kane, Ervin Klaas, James Merchant, Vickie Smith, and Larry Strong
LANDCOVER
David D. Diamond, Taisia M. Gordon, and Kan He
Using Ecological Systems as Land Cover Map Units for GAP
Shannon Menard and Chris Lauver
Gerald Manis, Collin Homer, R.Douglas Ramsey, John Lowry, Todd Sajwaj, and Scott Graves
Managing Land Cover Map Units Among States, Regions, and the USNVC
Shannon Menard
Challenges in Land Cover Classification in Areas of Rapid Urban Expansion
Linda Schwab
Geoffrey M. Henebry, James W. Merchant, Justin W. Fischer, and Douglas Garrison
ANIMAL MODELING
Ree Brannon
Regional Approaches to Modeling Animal Distributions: Status of Current Projects and Outlook
Patrick Crist
Regional Coordination of Animal Modeling in the Southeast
Jeff Waldon
Regional Coordination of Animal Modeling in the Upper Midwest
Daniel Fitzpatrick
Regional
Coordination of Animal Modeling in the Great Plains
Jack Cully, T. Hoernemann, and G. Kaufman
Approach
to Regional Animal Modeling in the Southwest
Bruce Thompson and Ken Boykin
FINAL REPORT SUMMARIES
Donald Schrupp
Leonard Pearlstine, Scot E. Smith, and Wiley M. Kitchens
Louisiana Gap Analysis Project
James Johnston and Steven Hartley
William B. Krohn, Randall B. Boone, Steven A. Sader, Jeffrey A. Hepinstall, Sandra M. Schaefer, and Stephanie L. Painton
Roland L. Redmond, Melissa M. Hart, J. Chris Winne, Wendy A. Williams, Polly C. Thornton, Zhenkui Ma, Claudine M. Tobalske, Michele M. Thornton, K. Poody McLaughlin, Troy P. Tady, Foster B. Fisher, and Steven W. Running
Charles R. Smith
James S. Kagan, John C. Hak, Blair Csuti, Chris W. Kiilsgaard, and Eleanor P. Gaines
Pennsylvania Gap Analysis Project
Wayne Myers, Joseph Bishop, Robert Brooks, Timothy O'Connell, David Argent, Gerald Storm, Jay Stauffer, and Robert Carline
Tennessee Gap Analysis Project
Jeanette Jones and Susan Marden
Scott D. Klopfer and Julie McClafferty
APPLICATIONS
Sahotra Sarkar, Nick C. Parker, Justin Garson, Anshu Aggarwal, and Sheri Haskell
Ree Brannon
Creating a Conservation Plan for Latah County, Idaho
Leona K. Svancara, Robbyn J.F. Abbitt, Gina M. Minshall, R. Gerry Wright
NOTES AND ANNOUNCEMENTS
Serving GAP Data on the Web: Expanding Usability and Accessibility
Announcing National GAP Annual Meeting in South Dakota
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Suggested citation: Brackney, E.S., R. Brannon, P.J. Crist, and K.J. Gergely, editors. 2000. Gap Analysis Bulletin No. 9. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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FEATURES
Elisabeth Brackney and Patrick Crist
Michael Jennings, John Mosesso, and J. Michael Scott
Land Cover Characterization in Gap Analysis: Past, Present, and Future
Collin Homer and Patrick Crist
Experience and Trends in Animal Distribution Modeling
Patrick Crist and J. Michael Scott
Patrick Crist and J. Michael Scott
Hawai‘i: A Tropical Insular Approach to Gap Analysis
Samuel M. Gon, III, Allen Allison, Ronald J. Cannarella, James D. Jacobi, Michael H. Kido, Stephen E. Miller, and Daniel E. Orodenker
LAND COVER
Predictive Modeling of Rare Plant Species
Walter Fertig
Comparison of Satellite Imagery Interpretation Using Known Association/Alliance-Level Data
Vickie J. Smith, Chad J. Kopplin, Jonathan A. Jenks, Bruce K. Wylie, James E. Vogelmann, and Robert W. Klaver
Estimating and Mapping the Thematic Accuracy of GAP Land Cover Maps
Roland L. Redmond
ANIMAL MODELING
Francisco J. Vilella and Richard B. Minnis
EMAP Hexagon Coverage Included in South Dakota's Sportsman's Atlas
Vickie J. Smith, Chad J. Kopplin, and Jonathan A. Jenks
STEWARDSHIP AND ANALYSIS
Kansas GAP: Preparing the Stewardship Layer
Holly Barcus, Jennifer Radcliff, and Rajesh Poudyal
AQUATIC GAP
Status Report: The Missouri Aquatic GAP Pilot Project
Scott P. Sowa
Landscape-Level Mapping of Fish for Pennsylvania Gap Analysis
Wayne Myers, David Argent, Joseph Bishop, Jay Stauffer, Jr., and Robert Carline
Steven S. Wall, Carmen M. Blausey, Jonathan A. Jenks, and Charles R. Berry, Jr.
Update on New York Aquatic GAP Pilot Project
Marcia S. Meixler and Mark B. Bain
Robert A. Deitner, Bruce C. Thompson, and Julie S. Prior-Magee
Christian Grue, Doug Pflugh, Wood Turner, Pat Iolavera, and Frank Westerlund
Designing Regional Conservation Portfolios: Filling the Gaps
David M. Stoms, Frank Davis, and Sandy Andelman
Landscape Diversity as the Basis for a Reserve Design Initiative in Vermont
David E. Capen, Charles E. Ferree, and Ernest W. Buford
Digital Atlas of Idaho: A GIS Approach to Teaching Natural History
Stephen Burton and Charles R. Peterson
A Gap Analysis of the Lewis & Clark Trail: Fort Peck Dam to Great Falls, Montana
Patrick Crist and Michael Jennings
Biodiversity Impacts from Urban Growth
Christopher Cogan
Applications of New York GAP Data
Charles R. Smith
NOTES AND ANNOUNCEMENTS
GAP Named Winner of Major National Award
New Staff at National GAP Office
Announcing National GAP Annual Meeting in Texas
Recent Publications by GAP Researchers
Recent Publications Mentioning GAP|
Suggested citation: Brackney, E.S., R. Brannon, P.J. Crist, and K.J. Gergely, editors. 1999. Gap Analysis Bulletin No. 8. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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FEATURES
Decision Support Systems: New Tools for Data Users
Patrick Crist
Refuge-GAP: A GAP Decision Support System for Refuge Planning
Margo Herdendorf and Patrick Crist
Craig R. Allen, L. Pearlstine, and D. P. Wojcik
Unprotected At-Risk Plant Communities of the Western U.S.
R. Gerald Wright, J. Michael Scott, Shannon Mann, & Michael Murray
Compositional Groups and Ecological Complexes: A Method for Alliance Based Vegetation Mapping
Leonard Pearlstine, Alexa McKerrow, Milo Pyne, Steve Williams, and Stacy McNulty
Gap Analysis in Riverine Environments
Scott P. Sowa
Final Report Summary: New York Aquatic GAP Pilot Project
Marcia S. Meixler and Mark B. Bain
Making Gap Analysis Work for New York Waters: A State Perspective on Aquatic GAP
Mark B. Bain and Marcia S. Meixler
Gap Analysis for Plant Species
Walter Fertig, William A. Reiners, and Ronald L. Hartman
Vegetation Alliance Descriptions of the Western U.S.
Marion Reid and Patrick Comer
Rule-Based Image Interpretation
Alexa J. McKerrow and Steven G. Williams
Applying Gap Analysis to County Land Use Planning in Washington State
Matt Stevenson
The NatureMapping Program’s First Five Years
Karen Dvornich
Illinois GAP Partners with Conservation 2000
Jocelyn L. Aycrigg, Mark G. Joselyn, Michael R. Jeffords, and Patrick W. Brown
A Partnership Providing Field Data for Gap Analysis: Texas Tech Museum and Texas GAP
Nick C. Parker, Robert J. Baker, Robert D. Bradley, Clyde Jones, R. Richard Monk,
David J. Schmidly, Raymond W. Sims, and Frank D. Yancey, II
Gap Analysis for Mexico: An Emerging Program
Vincent Burke and Carlos Gonzalez-Rebeles
Randall B. Boone and William B. Krohn
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Suggested citation: Brackney, E.S., and M.D. Jennings, editors. 1998. Gap Analysis Bulletin No. 7. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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FEATURES
Species Occurrence: What, Why, and Where?
Randall Boone and William Krohn
GAP Analysis of the Vegetation of the Intermountain Semi-Desert Ecoregion
David Stoms
Final Report Summary: New Mexico Gap Analysis Project
Bruce Thompson
Final Report Summary: Washington Gap Analysis Project
Christian Grue, Kelly Cassidy, and Karen Dvornich
Final Report Summary: Wyoming Gap Analysis Project
Tom Kohley
Mapping the Kansas Grasslands: A Multiseasonal ApproachStephen Egbert, Chris Lauver, Clayton Blodgett, Kevin Price,and Ed Martinko
A Preliminary Analysis of GAP Land Cover Mapping Procedures
Marlen Eve, James Merchant, and K.C. Kroll
Regionalizing State-Level Data
Patrick Crist and Mike Jennings
Progressing Toward a Standardized Classification of Vegetation for the U.S.
Michael Jennings
Use of U.S. Fish and Wildlife Service Easements for the South Dakota GAP Stewardship Layer
Dorothy Dateo, Michael Estey, Kenneth Higgins, Jonathan Jenks, & Rex Johnson
An Alternative Approach to Land Cover Mapping in Complex Terrain
John McCombs, Scott Klopfer, Dave Morton, and Jeff Waldon
"Merge": Breakthrough Software for User-Defined MMUs
Ray Ford, Roland Redmond, and Steve Barsness
Spectrum Software for Texas Gap Analysis
Carlos Gonzalez-Rebeles, Nick Parker, Raymond Sims, Yonglun Lan, & Miguel Cano
Jerry Cox
J. Michael Scott
Kansas: An Example of GAP Partnering
Jack Cully and Glennis Kaufman
Conservation Planning and Local Governments
Daryl Durham
First International Gap Analysis Project
Carlos Gonzalez-Rebeles, Nick Parker, Vincent Burke, Michael Jennings, & Gerardo Ceballos
In Pursuit of the Aquatic Component of Gap Analysis
Michael Jennings
What's Hot: Some Recent Applications of GAP Data
Elisabeth Brackney
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Suggested citation: Brackney, E.S., and M.D. Jennings, editors. 1996. Gap Analysis Bulletin No. 6. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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FEATURES
Some Scales for Describing Biodiversity
Michael Jennings
GAP Implementation: GAP Implementation Scorecard
Sara Vickerman
The Indiana Gap Analysis Metaproject Approach
Forest Clark
Expanding Roles for Gap Analysis Data in Arkansas
Rob Dzur
MRLC Update and New Rules for TM Access: The Landsat Program Management Agreement
The Ecological Society of America's Vegetation Classification Panel
Michael Jennings
Landscape Information Infrastructure in Pennsylvania
Wayne Myers, Robert Brooks, Gerald Storm, and Joseph Bishop
Christian Grue, Kelly Cassidy, Michael Smith, Karen Dvornich, Jane Cassady, and Susan Fregien
Modeling Grizzly Bear Habitat Suitability in Idaho
David Mattson
Point Sampling Surveys with GPS-logged Aerial Videography
Dana Slaymaker
Land Management Status Categorization in Gap Analysis: A Potential Enhancement
Patrick Crist, Julie Prior-Magee, and Bruce Thompson
A Preliminary Comparison of MMU Aggregation Procedures for Raster Data
Richard Thompson, Rob Dzur, and W. Fredrick Limp
NOTES
The Role of Winter Bird Distribution in Conservation Planning
Plant and Animal Species Data Useful to GAP Investigators
Application of Gap Analysis to Aquatic Biodiversity Conservation
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Suggested Citation: Brackney, E.S., and M.D. Jennings, editors. 1995. Gap Analysis Bulletin No. 5. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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Status and Directions of the Gap Analysis Program In 1995
J. Michael Scott
FEATURES
A Discussion of the Adoption and Diffusion of Gap Analysis as a Technical Innovation
Michael Jennings
The Aquatic Component of Gap Analysis
Michael Jennings and Patricia Heglund
Blair Csuti
Gail Thelin, Wayne Myers, Ann Rasberry, and others
New GAP Handbook|
Suggested citation: Brackney, E.S., and M.D. Jennings, editors. 1993. Gap Analysis Bulletin No. 5. USGS/BRD/Gap Analysis Program, Moscow, Idaho. |
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