Mapping > View Data Summaries (Major River Basin) > Upper Colorado-Dolores Profile

The Upper Colorado-Dolores Basin

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To view mapped wetlands online, click one of the links below.


[+] Mapped Wetland Area



Wetland Mapping Summary

Area of mapped wetlands 31,287 acres
Percent of basin mapped as wetlands 1%


Wetland Area by Type (acres)

Freshwater Herbaceous12,05139%
Freshwater Shrub 4,58015%
Freshwater Forested 75< 1%
Ponds 8,01126%
Lakes 1,9566%
Rivers 4,31514%
Other 299< 1%

Wetland Area Mapped with Modifiers (acres)

Excavated 8493%
Dammed 4,54415%
Ditched/Drained 19< 1%
Farmed 0None
Modified by Beaver 1,4975%




[+] Wetland Landscape Stressors



Weltand Area by Stressor Class (acres)

No Stress646,87223%
Low Stress1,371,47049%
Moderate Stress419,07515%
High Stress203,5997%
Severe Stress162,4846%




[+] Major River Basin Geography and Land Ownership


Total Area and Elevation Range

Total Area 2,803,510 acres 11,346 sq km
Maximum elevation 14,256 ft 4,346 m
Minimum elevation 4,457 ft 1,359 m
Average elevation 7,686 ft 2,343 m


Land Ownership (acres)

Total Federal Lands 2,039,229 73%
 Bureau of Land Management1,032,58437%
 Bureau of Reclamation1< 1%
 Federal Land, Misc20< 1%
 National Park Service3< 1%
  Total Forest Service Lands 1,006,621 36%
  Grand Mesa, Uncompahgre, and Gunnison National Forests436,89716%
  Manti-La Sal National Forest27,123< 1%
  San Juan National Forest542,60019%
Total State 54,932 2%
 Colorado Division of Wildlife17,412< 1%
 Colorado State Land Board29,5011%
 Colorado State Parks8,019< 1%
City, County, and Other Local Government Lands 406 < 1%
Land Trusts and Non-Governmental Organizations 1,328 < 1%
Tribal Lands 0 None
Private Lands 707,615 25%


Ecoregions (acres)

20: Colorado Plateaus 1,532,37855%
 20a: Monticello-Cortez Uplands27,565< 1%
 20b: Shale Deserts and Sedimentary Basins260,2759%
 20c: Semiarid Benchlands and Canyonlands1,238,61244%
 20d: Arid Canyonlands5,927< 1%
21: Southern Rockies 1,271,13245%
 21a: Alpine Zone53,7262%
 21e: Sedimentary Subalpine Forests482,76617%
 21f: Sedimentary Mid-Elevation Forests734,64026%