The Upper Arkansas Basin
Landscape Summaries > Upper Arkansas Basin Profile
To view mapped wetlands online, click one of the links below.
| Wetland Mapping Summary | |
| Area of mapped wetlands | 323,647 acres |
| Percent of basin mapped as wetlands | 2% |
| Wetland Area by Type (acres) | ||
| Freshwater Herbaceous | 137,652 | 43% |
| Freshwater Shrub | 58,496 | 18% |
| Freshwater Forested | 29,474 | 9% |
| Ponds | 17,948 | 6% |
| Lakes | 37,332 | 12% |
| Rivers | 33,147 | 10% |
| Other | 8,034 | 2% |
| Wetland Area Mapped with Modifiers (acres) | ||
| Excavated | 23,843 | 7% |
| Dammed | 15,842 | 5% |
| Ditched/Drained | 51 | < 1% |
| Farmed | 1,606 | < 1% |
| Modified by Beaver | 2,598 | 1% |
| Wetland Area by Stressor Class (acres) | ||
| No Stress | 2,235,271 | 12% |
| Low Stress | 7,799,672 | 43% |
| Moderate Stress | 3,929,386 | 22% |
| High Stress | 2,436,076 | 13% |
| Severe Stress | 1,689,413 | 9% |
| Total Area and Elevation Range | ||
| Total Area | 18,089,831 acres | 73,209 sq km |
| Maximum Elevation | 14,421 ft | 4,397 m |
| Minimum Elevation | 3,252 ft | 992 m |
| Average Elevation | 5,767 ft | 1,758 m |
| Land Ownership (acres) | ||
| Total Federal Lands | 2,738,469 | 15% |
| Bureau of Land Management | 590,999 | 3% |
| Federal Land, Misc | 442,720 | 2% |
| Fish and Wildlife Service | 417 | < 1% |
| National Park Service | 3,264 | < 1% |
| Total Forest Service Land | 1,701,068 | 9% |
| Grand Mesa, Uncompahgre, and Gunnison National Forests | 99 | < 1% |
| Pike and San Isabel National Forests, Cimarron and Comanche National Grasslands | 1,700,758 | 9% |
| Rio Grande National Forest | 115 | < 1% |
| White River National Forest | 96 | < 1% |
| Total State Lands | 1,498,046 | 8% |
| City, County, and Other Local Government Lands | 47,997 | < 1% |
| Land Trusts and Non-Governmental Organizations | 7,137 | < 1% |
| Tribal Lands | 0 | None |
| Private Lands | 13,798,182 | 76% |
| Ecoregions (acres) | ||
| 21: Southern Rockies | 4,142,412 | 23% |
| 21a: Alpine Zone | 307,093 | 2% |
| 21b: Crystalline Subalpine Forests | 309,313 | 2% |
| 21c: Crystalline Mid-Elevation Forests | 781,769 | 4% |
| 21d: Foothill Shrublands | 1,224,136 | 7% |
| 21e: Sedimentary Subalpine Forests | 291,786 | 2% |
| 21f: Sedimentary Mid-Elevation Forests | 684,827 | 4% |
| 21g: Volcanic Subalpine Forests | 97,050 | 1% |
| 21h: Volcanic Mid-Elevation Forests | 100,752 | 1% |
| 21i: Sagebrush Parks | 28,917 | < 1% |
| 21j: Grassland Parks | 316,771 | 2% |
| 25: High Plains | 3,221,239 | 18% |
| 25b: Rolling Sand Plains | 580,194 | 3% |
| 25c: Moderate Relief Plains | 329,161 | 2% |
| 25d: Flat to Rolling Plains | 2,311,884 | 13% |
| 26: Southwestern Tablelands | 10,726,180 | 59% |
| 26e: Piedmont Plains and Tablelands | 8,148,932 | 45% |
| 26f: Mesa de Maya/Black Mesa | 367,811 | 2% |
| 26g: Purgatoire Hills and Canyons | 666,015 | 4% |
| 26h: Pinyon-Juniper Woodlands and Savannas | 637,894 | 4% |
| 26i: Pine-Oak Woodlands | 45,209 | < 1% |
| 26j: Foothill Grasslands | 498,139 | 3% |
| 26k: Sandsheets | 362,180 | 2% |
Potential Conservation Areas (PCAs) are delineated around important elements of biodiversity (plants, animals or natural communities). The list below includes all PCAs within the Upper Arkansas created for wetland and riparian dependent elements. This list represents wetlands and riparian areas with the highest known biodiversity value in the area.
PCA Reports
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| Site Name | Biodiversity Significance |
|---|
Tracked elements of biodiversity include animals, plants, and natural communities that are uncommon either globally or within the state of Colorado. The list below includes all wetland and riparian dependent elements found within the Upper Arkansas and the count of known occurrences.
Tracked Elements
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The spatial filters below are based on current and historical CNHP element occurrence and observation locations, and not known distributions documented in the literature.
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| Major Group | State Scientific Name | Common Name | Global Rank | State Rank | ESA Status | CO Status | Other Status | CNHP Tracking Status |
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CNHP conducts numerous studies on botany, zoology, ecology, and conservation planning. Many projects are specifically focused on wetland ecosystems and habitats. The list below includes all reports that focus on wetland and riparian areas within the Upper Arkansas
Reports
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| Report Title | Authors | Year |
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