Dedication
Acknowledgments
CHAPTER 1 Introduction
1.1 Background
1.2 Gap Analysis Concept
1.3 Objectives
1.4 State Goals For Gap Analysis
1.5 General Caveats
1.6 How This Report Is Organized
1.7 The Study Area
CHAPTER 2 Land Cover Classification And Mapping
2.1 Background
2.2 Methods
2.2.1 Rationale For Visual Interpretation vs. Digital Classification
2.2.2 Classification System
2.2.3 Imagery Acquisition And Processing
2.2.4 Land Cover Mapping
2.3 Results
2.4 Accuracy Assessment
2.5 Limitations And Discussion
2.6 Summary And Conclusions
CHAPTER 3 Predicted Species Distributions And Species Richness
3.1 Background
3.2 Methods
3.2.1 Criteria For Including Species In WY-GAP
3.2.2 Occurrence Of Species Within Hexagons
3.2.3 Wildlife-Habitat Relationships
3.2.4 GIS Modeling Of Species Habitat And Distributions
3.2.5 Expert Review Of Species Distribution Maps
3.2.6 Edgematching Species Distributions With Adjacent States
3.3 Results
3.4 Accuracy Assessment
3.4.1 Methods
3.4.2 Results
3.5 Limitations And Discussion
3.5.1 Species Distributions Within Hexagons
3.5.2 Habitat Associations And Species Mapping
3.6 Summary And Conclusions
CHAPTER 4 Land Stewardship And Management
4.1 Background
4.2 Methods
4.2.1 Land Ownership
4.2.2 Administrative Units
4.2.3 Management Status
4.3 Results
4.4 Accuracy Assessment
4.5 Limitations And Discussion
4.6 Summary And Conclusion
CHAPTER 5 Analysis Based On Management Status
5.1 Background
5.2 Land Stewardship And Management Status
5.3 Land Cover
5.3.1 Land Cover And Land Stewardship
5.3.2 Land Cover And Management Status
5.4 Terrestrial Vertebrate Species
5.4.1 Species Distributions And Land Stewardship
5.4.2 Species Distributions And Management Status
5.5 Summary And Conclusions
CHAPTER 6 Management Implications And Current Directions
6.1 Management Implications
6.2 Gap Analysis And State-wide Biodiversity Planning
6.3 Current Directions For Gap Analysis In Wyoming
CHAPTER 7 Data Use And Availability
7.1 How To Obtain The Wyoming Gap Analysis Data
7.2 Appropriate And Inappropriate Uses Of Gap Analysis Data
7.2.1 Scale
7.2.2 Appropriate Uses
7.2.3 Inappropriate Uses
7.2.4 Current Uses Of WY-GAP Data
7.3 Metadata
7.4 Disclaimer
Appendix 2.1 The WY-GAP land cover classification
Appendix 2.2 Path/row, acquisition date, correction level applied by EOSAT, and resampling technique for satellite imagery
Appendix 2.3 Sources of information used to designate land cover attributes
Appendix 2.4 USGS 1:100,000 scale quadrangles in which the WY-GAP land cover layer was field checked, in whole or part
Appendix 2.5 Example of detailed descriptions of the 41 WY-GAP land cover types A6
Appendix 3.1 Names and affiliations of reviewers participating in the 1994 and/or 1995 reviews of species habitat associations and distributions
Appendix 3.2 Element codes, common names, scientific names, and variables used in modeling the distributions of 445 terrestrial vertebrates
Appendix 3.3 Accuracy assessment of riparian/aquatic model used to predict the distributions of vertebrate species in Wyoming
Appendix 3.3a Example of an atlas description for the 445 terrestrial vertebrates
Appendix 3.3b Example of a distributional map of one of the 445 terrestrial vertebrates
Appendix 4.1 Portions of 1:100,000-scale BLM Surface Management Status maps digitized by BLM (gray shade) and digitized by WY-GAP (unshaded)
Appendix 4.2 Names, dates, and reference codes of 1:100,000-scale BLM Surface Management Status maps from which Wyoming land ownership was digitized
Appendix 4.3 Updates in land ownership to the BLM Surface Management Status maps that were incorporated into the WY-GAP land ownership layer
Appendix 4.4 Flow chart of a dichotomous key developed by NM-GAP and used by WY-GAP for assigning land management status categories to land areas
Appendix 4.5 Administrative units included in the WY-GAP land stewardship database, listed by administering agency, management status, and documentation source
Appendix 5.1 Area (ha) and percent of the 41 WY-GAP land cover types by major stewardship categories and management status categories
Appendix 5.2 Area (ha) and percent of predicted habitat of 445 terrestrial vertebrate species by major stewardship categories and management status categories
Appendix 5.3 State and federal rankings, area (ha), and percent of potential habitat for 445 terrestrial vertebrate species
Appendix 7.1 List of current uses of GAP information
Table 2.1 Attributes used to describe land cover of each polygon within the WY-GAP land cover map
Table 2.2 Area (ha) of polygons with primary and secondary cover types
Table 3.1 WY-GAP categories used to qualify species occurrence and to predict vertebrate species distributions
Table 3.2 Databases used to document species occurrence within hexagons
Table 3.3 Mean, standard deviation, and sample size (n) of riparian buffer widths measured on TM imagery
Table 3.4 Name, size, elevation, and predominant habitats of the 8 areas used to assess the accuracy of predicted vertebrate species distributions
Table 3.5 Commission errors, omission errors, matches, and percent accuracy of predicted species occurrences
Table 3.6 Comparison of accuracy assessment results for predicted species distributions
Table 4.1 Description of codes used to designate management status to lands in Wyoming
Table 4.2 Management status designated to land stewardship categories in Wyoming
Table 4.3 Area (ha) and percent of land stewardship categories within Wyoming
Table 4.4 Area (ha) and percent of 7 elevation ranges (m) by management status categories
Table 5.1 Area (ha) and percent of land stewardship categories by management status
Table 5.2 Area (ha) and percent of land cover types within land stewardship categories
Table 5.3 Area (ha) and percent of land cover types in management status
Table 5.4 Average percent of the total area (ha) of habitat of taxonomic groups within major land stewardship categories
Table 5.5 Number and percent of species with 0%, > 0-1%, >1-10%, >10-50%, >50% of their potential distribution within management status 1 and 2
Table 5.6 State range, rankings, area (ha) and percent habitat of amphibians and reptiles which have < 1% or < 50,000 ha of their total potential habitat within management status 1 and 2 lands
Table 5.7 State range, rankings, area (ha) and percent habitat of mammals which have < 1% or < 50,000 ha of their total potential habitat within management status 1 and 2 lands
Table 5.8 State range, rankings, area (ha) and percent habitat of birds which have < 1% or < 50,000 ha of their total potential habitat within management status 1 and 2 lands
Table 7.1 Federal geographic data committee's metadata element categories used by the Gap Analysis Program
Figure 2.1 Boundaries of TM satellite data
Figure 3.1 Frequency distribution of total vertebrate species richness within hexagons
Figure 3.2 Predicted distribution of total vertebrate species richness within hexagons
Figure 3.3 Frequency distribution of bird, mammal, amphibian and reptile species richness
Figure 3.4 Predicted distribution of bird species richness across Wyoming
Figure 3.5 Predicted distribution of mammal species richness across Wyoming
Figure 3.6 Predicted distribution of amphibian species richness across Wyoming
Figure 3.7 Predicted distribution of reptile species richness across Wyoming
Figure 3.8 Location of 8 areas used to assess the accuracy of predicted species distributions
Figure 3.9 Omission and commission error by area and taxonomic group as a function of park size
Figure 5.1 Percent protected land cover types by mean elevation of land cover types
Figure 5.2 Percent protected habitat by mean elevation for amphibians and reptiles, mammals, and birds
Map 1.1 Major roads, rivers and topographic features in Wyoming
Map 2.1 Land cover types mapped for Wyoming
Map 4.1 Land stewardship for Wyoming
Map 4.2 Management status areas for Wyoming