The Alamosa-Trinchera Subbasin
Landscape Summaries > Alamosa-Trinchera Subbasin Profile
To view mapped wetlands online, click one of the links below.
| Wetland Mapping Summary | |
| Area of mapped wetlands | 88,636 acres |
| Percent of basin mapped as wetlands | 6% |
| Wetland Area by Type (acres) | ||
| Freshwater Herbaceous | 74,670 | 84% |
| Freshwater Shrub | 4,303 | 5% |
| Freshwater Forested | 187 | < 1% |
| Ponds | 4,800 | 5% |
| Lakes | 3,689 | 4% |
| Rivers | 578 | 1% |
| Other | 408 | < 1% |
| Wetland Area Mapped with Modifiers (acres) | ||
| Excavated | 0 | < 1% |
| Dammed | 0 | < 1% |
| Ditched/Drained | 0 | < 1% |
| Farmed | 0 | None |
| Modified by Beaver | 0 | < 1% |
| Wetland Area by Stressor Class (acres) | ||
| No Stress | 224,142 | 14% |
| Low Stress | 518,616 | 33% |
| Moderate Stress | 245,235 | 16% |
| High Stress | 160,388 | 10% |
| Severe Stress | 429,070 | 27% |
| Total Area and Elevation Range | ||
| Total Area | 1,577,461 acres | 6,384 sq km |
| Maximum Elevation | 14,345 ft | 4,374 m |
| Minimum Elevation | 7,389 ft | 2,253 m |
| Average Elevation | 8,683 ft | 2,647 m |
| Land Ownership (acres) | ||
| Total Federal Lands | 436,595 | 28% |
| Bureau of Land Management | 197,361 | 13% |
| Fish and Wildlife Service | 26,910 | 2% |
| Total Forest Service Land | 212,323 | 13% |
| Pike and San Isabel National Forests, Cimarron and Comanche National Grasslands | 62 | < 1% |
| Rio Grande National Forest | 212,241 | 13% |
| San Juan National Forest | 21 | < 1% |
| Total State Lands | 71,756 | 5% |
| City, County, and Other Local Government Lands | 1,309 | < 1% |
| Land Trusts and Non-Governmental Organizations | 0 | None |
| Tribal Lands | 0 | None |
| Private Lands | 1,067,801 | 68% |
| Ecoregions (acres) | ||
| 21: Southern Rockies | 693,895 | 44% |
| 21a: Alpine Zone | 33,883 | 2% |
| 21b: Crystalline Subalpine Forests | 161,217 | 10% |
| 21c: Crystalline Mid-Elevation Forests | 16,750 | 1% |
| 21d: Foothill Shrublands | 175,311 | 11% |
| 21e: Sedimentary Subalpine Forests | 33,662 | 2% |
| 21f: Sedimentary Mid-Elevation Forests | 35,878 | 2% |
| 21g: Volcanic Subalpine Forests | 172,894 | 11% |
| 21h: Volcanic Mid-Elevation Forests | 64,300 | 4% |
| 22: Arizona/New Mexico Plate | 883,566 | 56% |
| 22a: San Luis Shrublands and Hills | 334,289 | 21% |
| 22b: San Luis Alluvial Flats and Wetlands | 430,249 | 27% |
| 22c: Salt Flats | 119,028 | 8% |
Potential Conservation Areas (PCAs) are delineated around important elements of biodiversity (plants, animals or natural communities). The list below includes all PCAs within the Alamosa-Trinchera 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 |
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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 Alamosa-Trinchera 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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We're sorry, but at this time we do not have report data by river subbasin. If you wish to view report data, please select a major river basin or county. We are working to improve the ways in which you can view our data. Thank you for your patience and understanding.
Reports
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