Mapping > View Data Summaries (River Subbasin) > Middle San Juan Profile

The Middle San Juan Subbasin

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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 1,661 acres
Percent of basin mapped as wetlands < 1%

Wetland Area by Type (acres)

Freshwater Herbaceous1,02862%
Freshwater Shrub 1006%
Freshwater Forested 8< 1%
Ponds 20312%
Lakes 342%
Rivers 23114%
Other 573%

Wetland Area Mapped with Modifiers (acres)

Excavated 0< 1%
Dammed 0< 1%
Ditched/Drained 0None
Farmed 0None
Modified by Beaver 0< 1%

[+] Wetland Landscape Stressors

Weltand Area by Stressor Class (acres)

No Stress7,0233%
Low Stress39,40014%
Moderate Stress63,50423%
High Stress84,44031%
Severe Stress81,23929%

[+] River Subbasin Geography and Land Ownership

Total Area and Elevation Range

Total Area 275,604 acres 1,115 sq km
Maximum elevation 13,192 ft 4,022 m
Minimum elevation 5,819 ft 1,774 m
Average elevation 7,324 ft 2,233 m

Land Ownership (acres)

Total Federal Lands 31,676 11%
 Bureau of Land Management6,3112%
  Total Forest Service Lands 25,365 9%
  San Juan National Forest25,3659%
Total State 8,527 3%
 Colorado Division of Wildlife4< 1%
 Colorado State Land Board8,5233%
City, County, and Other Local Government Lands 0 None
Land Trusts and Non-Governmental Organizations 0 None
Tribal Lands 94,166 34%
Private Lands 141,234 51%

Ecoregions (acres)

20: Colorado Plateaus 239,33087%
 20a: Monticello-Cortez Uplands82,77930%
 20c: Semiarid Benchlands and Canyonlands156,55257%
21: Southern Rockies 36,27313%
 21a: Alpine Zone6,0072%
 21e: Sedimentary Subalpine Forests15,9356%
 21f: Sedimentary Mid-Elevation Forests14,3315%