2009-09-11_REVISION - M1997064 ‎(5)‎

• Permit No: M1997064
• IBM Index Class Name: REVISION
• Doc Date: 9/11/2009
• Doc Name: Conversion Submittal
• From: EAI
• To: DRMS
• Type & Sequence: CN1
• Media Type: D
• Archive: No

Potential Conservation Area (PCA) Report
Name Beaver Creek at Sugar Loaf Site Code S.USCOHP'4575
boundary. The north end extends to Skagway Reservoir. The southern boundary corresponds with Beaver
Creek SWA boundary.
Primary Area _ 12,892.92 Acres 5,217.60 Hectares
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Biodiversity Significance Rank 82: Very High Biodivershy Significance
Biodiversity Significance Comments
This site encompasses a good (13-ranked) occurrence of a globally imperiled (G2/S2) riparian natural
community, narrowleaf cottonwood / bluestem willow (Populus angustifolis / Salix irrorata) woodland. It has
several excellent (A-ranked) occurrences of globally vulnerable riparian natural communities; one each of
narrowleaf cottonwood / thinleaf alder (Populus angustifolia /Alnus incana) woodland (G3/S3), narrowleaf
cottonwood - Douglas-fir (Populus angustilolis - Pseudotsuga menziesii) woodland (G3/S2), and thinleaf
alder / mesic graminoids (Alnus incana / mesic graminoids) shrubland (G3/S3). There is a good (13-ranked)
occurrence of the globally vulnerable Geyer willow - mountain willow / mesic forbs (Salix geyeriana - Salix
montieola / mesic forts) shrubland (G3/S3), an excellent (A-ranked) occurrence of the apparently globally
secure (G4?/S2) river birch / starry false lily of the valley (Betula occ0entalis / Maianthemum stellatum)
shrubland and a good (8-ranked) occurrence of the globally vulnerable (G3G4/S3) plains cottonwood -
(peachleaf willow) / (coyote willow, sandbar willow) (Populus deltoides - (Salix amygdaloides) / Salix
(exigua, interior) woodland.
Other Values Rank No Data
Other Values Comments
No Data _
1ANiD MANAGMENT,ISSUE$'r-.x?
Land Use Comments
No Data
Natural Hazard Comments
No Data
Exotics Comments
No Data
Offs Ite
No Data
Information Needs
No Data
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ASSOCIATED ELEMENTS OF BIODIVERSlf t z?'*?; sy?,'" -
Global state Driving
El erne
State ID State Scle M State Common Name Rank Ronk Sits Rank
90,7n ponuhrI delroides - (Salix amygda/nirivc) / Calix Plains Cnnnnwood Riparian G3G4 S3 N^
(exigus, interior) Woodland Woodland
24541 Populus angustitolia/Alnus incene Woodland Montane Riparian Forest G3 S3 No
24573 Salix geyenana - Salix niontieole / Mesic Forbs Geyers Willow-Rocky Mountain G3 S3 No
Shrubland Willow/Mesic Forb
24976 Alnus incene / Mesic Graminoids Shrubland Montane Riparian Shrubland G3 S3 No
24692 Populus angustilolia - Pseudotsugs menziesii Montane Riparian Forest G3 S2 No
Woodland
24686 Betula occidentalis /Maianthemum stellatum Foothills Riparian Shrubland G4? S2 No
Shrubland
24827 Populus angustilolla / Salix irrorata Woodland Foothills Riparian Woodland G2 S2 Yes

Reference ID Full Citation
159580 Kittel, G., R. Rondeau and A. McMullen. 1996. A classification of the riparian
vegetation of the Lower South Platte and parts of the Upper Arkansas River basins,
Colorado. Unpublished CNHP Report for CO DNR and US EPA, Region VIII. 243 p.
193618 Neid, S.L. 2006. Final Report: Survey of Critical Wetlands and Riparian Areas in
Fremont County, Colorado. Colorado Natural Heritage Program, Fort Collins, CO.
Copyright © 2008. Colorado State University. Colorado Natural Heritage Program. All Rights Reserved.
Print Date 91130/2008