Vegetation Classification and Mapping Project Report - USGS

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Accuracy Assessment and Additional Map Classes Table 12 continued 90% CI Producer 90% CI Base map class User accuracy (range) accuracy (range) B33 Airstrip Not sampled B34 Barren Badlands 87.5 74.9 - 94.3 53.8 42.6 - 64.7 B35 Barren Wash 70.8 54.1 - 83.3 85.0 67.8 - 93.8 B36 Park Facilities NS NS B37 Park Sites NS NS B38 Railroad NS NS B39 Residences NS NS B40 Roads NS NS B41 Run-off Control Feature NS NS B42 Sand 100.0 42.5 - 100.0 100.0 42.5 - 100.0 B43 Stock Ponds NS NS B44 Vegetated Rim Complex 42.9 28.8 - 58.2 52.2 35.7 - 68.2 B45 Vegetated Wash Complex 67.9 52.3 - 80.2 50.0 37.1 - 62.9 B46 Commercial Development NS NS 3 NA = not applicable, statistic could not be calculated. 2 NS =map class not sampled during accuracy assessment. ● Four-wing Saltbush / Galleta Shrubland (14.4%, fig. 12) ● New Mexico Saltbush Badland Sparse Vegetation (14.4%, fig. 13) ● Barren Badlands (12.3%, fig. 14) ● Sandsage Colorado Plateau Shrubland (6.8%, fig. 15) ● Arizona Siltbush Sparse Vegetation (5.7%, fig.16) ● Torrey’s Jointfir Shrubland – Bigelow’s Sagebrush Sparse Vegetation (5.6%, fig. 17). Thirty-one classes contributed less than 1% cover each. Five map classes occurred only in the project environs. Nine of the small classes also had more than half of their distribution in the park environs. Additional information on the distribution of each map class occurs in Appendix G. 4.2.3 Group map class accuracy and summary statistics 4.2.3.1 Accuracy Fifteen group map classes (fig. 18, Appendix F) were created by aggregating the base map classes (table 14). The overall accuracy of the group map classes was 55.7%; Kappa index was 49.9%±0.02 (table 15, Appendix H2). Colorado Plateau Pinyon-Juniper Woodland met the 80% standard for both user and producer accuracy. Inter-Mountain Basins Greasewood Flat and Inter-Mountain Basins Riparian Woodland and Shrubland meet the 80% standard for producer accuracy. The other map classes were below 80% accuracy for both the user and producer accuracy. 4.2.3.2 Summary Statistics The group map classes consist of five nonvegetated types and ten vegetated map classes (table 16). Within the park the three most abundant map classes are: 1) Inter- Mountain Basins Semi-Desert Shrub- Steppe (44.7%), 2) Southern Colorado Plateau Sand Shrubland (21.2%), and 3) Inter-Mountain Basins Shale Badland. Together they constitute 84.3% of the park’s vegetated cover. Continued on page 48 39
40 Table 13. Base map class summary statistics. Woodland Base Map Class Project area # Polygons ha ac Park area % Project land cover ha ac %Park land cover Occurrence outside park boundaries B1 Cottonwood / Rubber Rabbitbrush Woodland 11 15.2 37.6 0.0% 1.7 4.3 0.0% 88.5% B2 One-seed Juniper / Bigelow’s Sagebrush Shrubland 27 211.4 522.3 0.4% 70.8 174.9 0.2% 66.5% Shrubland B3 Blue Sage Dwarf-shrubland 12 122.8 303.5 0.2% 69.2 171.0 0.2% 43.7% B4 Cliff-rose - Crispleaf Buckwheat Shrubland 11 57.1 141.1 0.1% 57.1 141.1 0.2% 0.0% B5 Copperweed / Alkali Sacaton Shrubland 2 2.0 4.9 0.0% 2.0 4.9 0.0% 0.0% B6 Coyote Willow Shrubland 6 13.2 32.5 0.0% 2.2 5.4 0.0% 83.4% B7 Drummond Goldenweed / Galleta Shrubland 1 0.8 1.9 0.0% 0.0% 100.0% B8 Four-wing Saltbush / Galleta Shrubland 803 7339.8 18137.0 13.8% 5473.8 13526.2 14.4% 25.4% B9 Greasewood / New Mexico Saltbush Shrubland 48 212.3 524.6 0.4% 186.5 460.8 0.5% 12.2% B10 Greasewood / Shrubby Seepweed Shrubland 3 7.4 18.3 0.0% 6.3 15.6 0.0% 14.9% B11 Iodine Bush Shrubland 27 56.1 138.7 0.1% 49.6 122.6 0.1% 11.6% B12 Rubber Rabbitbrush Desert Wash Shrubland 224 508.4 1256.4 1.0% 343.5 848.9 0.9% 32.4% B13 Sandsage Colorado Plateau Shrubland 1032 4492.3 11100.8 8.4% 2577.8 6369.8 6.8% 42.6% B14 Snakeweed - (Prickly Pear) / Galleta Dwarf-shrubland 48 438.7 1084.1 0.8% 169.7 419.4 0.4% 61.3% B15 Tamarisk Shrubland 59 154.6 382.1 0.3% 62.0 153.3 0.2% 59.9% B16 Three-leafed Sumac - Mormon Tea Talus Shrubland 24 98.3 242.8 0.2% 36.2 89.5 0.1% 63.2% B17 Winter-fat / Blue Grama Dwarf-shrub 1 3.0 7.4 0.0% 3.0 7.4 0.0% 0.0% Herbaceous B18 Alkali Sacaton Herbaceous Vegetation 59 125.3 309.6 0.2% 92.3 228.0 0.2% 26.3% B19 Alkali Sacaton - Blue Grama Herbaceous Vegetation 42 377.1 931.8 0.7% 284.2 702.3 0.7% 24.6% B20 Black Grama - Galleta Herbaceous Vegetation 5 23.6 58.3 0.0% 23.6 58.3 0.1% 0.0% B21 Blue Grama Herbaceous Vegetation 28 261.1 645.1 0.5% 33.6 83.0 0.1% 87.1% B22 Blue Grama - Galleta Herbaceous Vegetation 31 544.1 1344.5 1.0% 145.0 358.3 0.4% 73.4% B23 Galleta - Alkali Sacaton Herbaceous Vegetation 535 4143.3 10238.3 7.8% 1586.0 3919.2 4.2% 61.7% B24 Giant Sandreed Desert Wash Shrub Herbaceous Vegetation 32 33.0 81.5 0.1% 17.7 43.7 0.0% 46.4% B25 New Mexico Saltbush / Alkali Sacaton – Galleta Shrub Herbaceous Vegetation 712 11046.0 27295.3 20.8% 9218.0 22778.2 24.2% 16.5% Vegetation Classification and Distribution Mapping Report: Petrified Forest National Park
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National Park Service U.S. Departme
Page 3 and 4: Vegetation Classification and Distr
Page 5 and 6: The National Park Service, Natural
Page 10 and 11: Acronyms and Abbreviations AA ac AP
Page 12 and 13: Executive Summary The classificatio
Page 14: Acknowledgments Behind the authors
Page 31 and 32: Axis 3 Axis 2 Vegetation Classifica
Page 35 and 36: 20 Table 5. continued Plant communi
Page 53: Vegetation Classification and Distr
Page 61 and 62: 46 Table 16. Summary statistics for
Page 71 and 72: 56 Table 22. Summary statistics for
Page 75 and 76: Literature Cited ties: Terrestrial
Page 89 and 90: B2 Appendix B Plant Community 2003
Page 91 and 92: B4 Appendix B .continued Plant Comm
Page 96 and 97: Appendix C: Global and local plant
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Appendix C: Global and local plant
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Appendix C: Global and Local Plant
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Appendix D Plant species list The s
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D3 Appendix D continued Scientific
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Appendix E Plant community and map
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Appendix E: Plant community and map
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Appendix F Plant community and map
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F3 Appendix F continued Plant commu
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Appendix F continued Plant communit
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Vegetation Classification and Distr
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G4 B1 Cottonwood / Rubber Rabbitbru
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G6 B3 Blue Sage Dwarf-Shrubland Fig
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G8 B5 Copperweed - Alkali Sacaton S
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G10 B7 Drummond Goldenweed - Gallet
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G12 B9 Greasewood / New Mexico Salt
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G14 B11 Iodine Bush Shrubland Figur
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G16 B13 Sandsage Colorado Plateau S
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G18 B15 Tamarisk Shrubland Figure.G
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G20 B17 Winter-fat / Blue Grama Dwa
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G22 B19 Alkali Sacaton - Blue Grama
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G24 B21 Blue Grama Herbaceous Veget
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G26 B23 Galleta - Alkali Sacaton He
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G28 B25 New Mexico Saltbush / Alkal
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G30 B27 Russian Thistle Sand Dune V
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G32 B29 Arizona Siltbush Sparse Veg
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G34 B31 Slender Buckwheat Sparse Ve
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G36 B33 Airstrip Figure.G65..Photos
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G38 B35 Barren Wash Figure.G68..Gro
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G40 B37 Park Sites Figure.G71..Phot
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G42 B39 Residences Figure.G73..Phot
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G44 B41 Run-off Control Feature Fig
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G46 B43 Stock Ponds Figure.G77..Pho
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G48 B45 Vegetated Wash Complex Figu
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Appendix H: Accuracy Assessment Dat
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Table H-4. Contingency table: Manag
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The Department of the Interior prot
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