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The Best of GAP

This publication includes the best articles from the first ten Gap Analysis Bulletins.  

If you would like to read a specific article, click on its title in the table of contents below.  

You can download a pdf version of each chapter by clicking on the chapter title.

You can download the entire book (18 mb zip folder).

Chapter 1: Conservation

Page

Gap Analysis as Applied Conservation Biology
Reed Noss and Allen Cooperrider
2
Gap Analysis and the Natural Heritage Data Centers

Robert E. Jenkins, Jr.

3

Some Scales for Describing Biodiversity

Michael Jennings

7

Refuge Gap: A GAP Decision Support System for Refuge Planning 

Margo Herdendorf and Patrick Crist

8

Predictive Modeling of Rare Plant Species

Walter Fertig

12

Designing Regional Conservation Portfolios: Filling the Gaps

David M. Stoms, Frank Davis, and Sandy Andelman

15

Gap Analysis of the Flora of Wyoming

Walter Fertig and Robert Thurston

19

Chapter 2: Mapping

Hexagons: A New Way to Display Predicted Distributions of Vertebrate Species

Larry Masters and Michael Jennings

27

Evaluations of AVHRR-derived Data for Vegetation Classification and Monitoring of Landscapes

Dave Verbyla

28

MRLC Update and New Rules for TM Access: The Landsat Program Management Agreement

Pete Campbell

29

The Ecological Society of America's Vegetation Classification Panel

Michael Jennings

31

Landscape Information Infrastructure in Pennsylvania

Wayne Myers, Robert Brooks, Gerald Storm, and Joseph Bishop

33

Point Sampling Surveys with GPS-logged Aerial Videography

Dana Slaymaker

36

Land Management Status Categorization in Gap Analysis: A Potential Enhancement

Patrick Crist, Julie Prior-Magee, and Bruce Thompson

 39

A Preliminary Comparison of MMU Aggregation Procedures for Raster Data

Richard Thompson, Rob Dzur, and W. Fredrick Limp

42

Species Occurrence: What, Why, and Where

Randall Boone, Bill Krohn

46

Mapping the Kansas Grasslands: A Multi-Seasonal Approach

Stephen Egbert, Chris Lauver, Clayton Blodgett, Kevin Price, and Ed Martinko

50

A Preliminary Analysis of GAP Land Cover Mapping Procedures

Marlen Eve and Jim Merchant, and K.C. Kroll

54

Regionalizing State-Level Data 

Patrick Crist and Michael Jennings

56

Progressing Toward a Standardized Classification of Vegetation for the U.S.  

Michael Jennings

59

Use of U.S. Fish and Wildlife Service Easements for the South Dakota GAP Stewardship Layer

Dorothy Dateo, Michael  Estey, Kenneth  Higgins, Jonathan Jenks, and Rex Johnson
64

An Alternative Approach to Land Cover Mapping in Complex Terrain

John McCombs, Scott Klopfer, Dave Morton, and Jeff Waldon

66

Compostitional Groups and Ecological Complexes: A Method for Alliance-Based Vegetation Mapping

Leonard Pearlstine, Alexa McKerrow, Milo Pyne, Steve Williams, and Stacy McNulty

69

The NatureMapping Program's First Five Years

Karen Dvornich

72

A Technique for Representing Diminishing Habitat Occupation: Feathering Predicted Species Distributions Near Range Limits in Maine

Randall B. Boone and William B. Krohn

77

Comparison of Satellite Imagery Interpretation Using Known Association/Alliance-Level Data

Vickie Smith, Chad Kopplin, Jonathan Jenks, Bruce Wylie, James Vogelmann, and Robert Klaver

84

Estimating and Mapping the Thematic Accuracy of GAP Land Cover Maps

Roland Redmond

90

The Development of Mapping Zones to Assist in Land Cover Mapping Over Large Geographic Areas: A Case Study of the Southwest ReGAP Project

Gerald Manis, Collin Homer, R. Douglas Ramsey, John Lowry, Todd Sajwaj, and Scott Graves

92

Expert Review for Land Cover: Integrating Information from Specific Comments and Evaluating the Results

Geoffrey Henebry, James Merchant, Justin Fischer, and Douglas Garrison

98

Preclassification: An Ecologically Predictive Landform Model

Gerald Manis, John Lowry, and R. Douglas Ramsey

103

A Methodological Study for Accuracy Assessment of GAP Land Cover Maps

Sarah Nusser, Erwin Klaas, Carsten Botts, and Robin McNeely

108

Modeling Reptile and Amphibian Range Distributions from Species Occurrences and Landscape Variables

Geoffrey Henebry, Brian Putz and James Merchant

116

Assessing the Accuracy of Gap Analysis Predicted Distribution of Idaho Amphibians and Reptiles

Charles Peterson, Stephen Burton, David Pilliod, John Lee, John Cossel, Jr., and Robin Llewellyn

127

Chapter 3: Analyses

An Evaluation of Proposed New park Units in Idaho using Gap Analysis Data

R. Gerald Wright, Joel Hall, and James G. MacCracken

136

Steps in Strategies to Manage Biodiversity: Identification, Selection, and Design of Special Management Areas

Blair Csuti

137

Use of Gap Analysis Data to Establish Goals and Priorities for Individual Land Management Units - National Wildlife Refuges in Washington State

Christian Grue, Kelly Cassidy, Michael Smith, Karen Dvornich, Jane Cassady, and Susan Fregien

143

Modeling Grizzly Bear Habitat Suitability in Idaho

David Mattson

148

Gap Analysis of the Vegetation of the Intermountain Semi-Desert Ecoregion

David Stoms

150

Gap Analysis for Ant Species

Craig  Allen, L. Pearlstine, and D.P. Wojcik

152

Gap Analysis in Riverine Environments  

Scott Sowa

160

Final Report Summary: New Mexico Gap Analysis Project

Bruce Thompson

164

Final Report Summary: Washington Gap Analysis Project

Chris Grue, Kelly Cassidy, and Karen Dvornich

167

Final Report Summary: Wyoming Gap Analysis Project

Tom Kohley

170

Final Report Summary: New York Aquatic GAP Pilot Project

Marcia  Meixler and Mark  Bain

171

Biodiversity Predictions: Integrating Urban Growth Models with Land Cover Data and Species Habitat Information

Christopher Cogan

174

A Method to Assess Risk of Habitat Loss to Development: A Colorado Case Study

David Theobald, Donald Schrupp, and Lee O'Brien

180

Chapter 4: Tools

SPECTRUM - Satellite Image Interpretation with Automated Delineation: A Workshop-Based ||Assessment of SPECTRUM Software

Gail Thelin, Wayne Myers, Ann Rasberry, and others

192

"Merge": Breakthrough Software for User-defined MMUs

Ray Ford, Roland Redmond, Steve Barsness

197

Spectrum Software for Texas Gap Analysis

Carlos Gonzalez-Rebeles, Nick Parker, Raymond Sims, Yonglun Lan, and Miguel Cano

200

Review of MetaMaker  

Jerry Cox

206

Decision Support Systems: New Tools for Data Users  

Patrick Crist

209

Taking Refuge-GAP a Step Further: The GAP Ecosystem Data Explorer Tool in the Roanoke-Tar-Neuse-Cape Fear Ecosystem

Steven Williams, Casson Stallings, JohnAnn Shearer, and Alexa McKerrow

220

Chapter 5: Partnerships and Extension

A Discussion of the Adoption and Diffusion of Gap Analysis as a Technical Innovation 

Michael Jennings

226

The Indiana Gap Analysis Metaproject Approach

Forest Clark

229

Expanding Roles for Gap Analysis Data in Arkansas

Rob Dzur

232

Kansas: An Example of GAP Partnering

Jack Cully and Glennis Kaufman

235

Conservation Planning and Local Governments

Daryl Durham

238

First International Gap Analysis Project 

Carlos Gonzalez-Rebeles, Nick Parker, Vincent Burke, Michael Jennings, and Gerardo Ceballos

242

Partnerships  

Mike Scott

245

Illinois GAP Partners with Conservation 2000 

Jocelyn Aycrigg, Mark Joselyn, Michael  Jeffords, and Parick  Brown

247

A Partnership Providing Field Data for Gap Analysis: Texas Tech Museum  

Nick C. Parker, Robert J. Baker, Robert D. Bradley, Clyde Jones, R. Richard Monk, David J. Schmidly, Raymond W. Sims, and Frank D. Yancy, II

253

Incorporating Protection of Biodiversity into County Land Use Planning: A Gap Analysis Pilot Project in Pierce County, Washington

Dough Pflugh, Wood Turner, Pat Iolavera, Frank Westerlund and Christian Grue

258

Barriers to Use of the GAP Database by Local and Regional Land Use Planners in New Mexico

Russ Winn and Diane-Michele Prindeville

268

Chapter 6: Aquatic

The Aquatic Component of Gap Analysis

Michael Jennings and Patricia Heglund

272

In Pursuit of the Aquatic Component of Gap Analysis  

Michael Jennings

274

Making Gap Analysis Work for New York Waters: A State Perspective on Aquatic Gap  

Mark Bain, and Marcia Meixler

277

Applying Gap Analysis Towards the Protection of an Endangered Species of Minnow (Notropis topeka) in South Dakota

Steven Wall, Carmen Blausey, Jonathan Jenks, and Charles Berry, Jr.

280

Chapter 7: Miscellaneous

GAP Implementation/GAP Implementation Scorecard 

Sara Vickerman

288

What’s Hot: Some Recent Applications of GAP Data  

Elisabeth Brackney

289

Rule-Based Image Interpretation  

Alexa McKerrow, and Steven Williams

294

Applying Gap Analysis to County Land Use Planning in Washington State 

Matt Stevenson

280

 

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