The Big Thompson Subbasin
To view mapped wetlands online, click one of the links below.
|Wetland Area by Stressor Class (acres)|
|Total Area and Elevation Range|
|Total Area||532,030 acres||2,153 sq km|
|Maximum Elevation||14,258 ft||4,347 m|
|Minimum Elevation||4,670 ft||1,424 m|
|Average Elevation||7,299 ft||2,225 m|
|Land Ownership (acres)|
|Total Federal Lands||230,669||43%|
|Bureau of Land Management||212||< 1%|
|Federal Land, Misc||3,109||1%|
|National Park Service||102,799||19%|
|Total Forest Service Land||124,549||23%|
|Arapaho and Roosevelt National Forests, Pawnee National Grassland||124,549||23%|
|Total State Lands||4,393||1%|
|City, County, and Other Local Government Lands||20,691||4%|
|Land Trusts and Non-Governmental Organizations||1,879||< 1%|
|21: Southern Rockies||381,394||72%|
|21a: Alpine Zone||42,267||8%|
|21b: Crystalline Subalpine Forests||80,127||15%|
|21c: Crystalline Mid-Elevation Forests||207,049||39%|
|21d: Foothill Shrublands||51,950||10%|
|25: High Plains||150,637||28%|
|25d: Flat to Rolling Plains||78,295||15%|
|25l: Front Range Fans||72,342||14%|
Potential Conservation Areas (PCAs) are delineated around important elements of biodiversity (plants, animals or natural communities). The list below includes all PCAs within the Big Thompson created for wetland and riparian dependent elements. This list represents wetlands and riparian areas with the highest known biodiversity value in the area.
Click on a Site Name to view PCA Report.
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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 Big Thompson and the count of known occurrences.
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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|
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.
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