Print Report
CEGL003965 Juniperus osteosperma / Mahonia fremontii Woodland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Utah Juniper / Fremont''s Mahonia Woodland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This woodland association is known primarily from the Colorado Plateau in Utah. The vegetation is characterized by an open canopy, typically 2 to 5 m tall, of Juniperus osteosperma with 6 to 30% cover, and an understory dominated by Mahonia fremontii with 3 to 12% cover; total vegetation cover ranges from 23 to 61%. Associated shrubs include Atriplex canescens, Ephedra viridis, Gutierrezia sarothrae, Rhus trilobata, Symphoricarpos longiflorus, and Yucca angustissima. Herbaceous species provide sparse cover and may include Achnatherum hymenoides, Pleuraphis jamesii, Aristida purpurea, Sporobolus airoides, Machaeranthera canescens, and Lepidium montanum var. jonesii. Biological soil crusts are well-developed but sparse in some stands and provide up to 43% cover in others. Stands occur on the deep soils of plateaus, stream terraces, benches, and wash banks. Sites are flat to steep slopes between 1362 and 1865 m elevation. Bare soil or litter cover most of the unvegetated surface, depending on density of the vegetation and degree of disturbance. Dead wood and biological soil crusts provide sparse to moderate cover. Soils are rapidly drained sandy loams or loamy sands derived from alluvium or eolian deposits.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This association is largely known and described from National Park Service inventory efforts in the Colorado Plateau.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: The vegetation is characterized by an open canopy, typically 2 to 5 m tall, of Juniperus osteosperma with 6 to 30% cover, and an understory dominated by Mahonia fremontii with 3 to 12% cover; total vegetation cover ranges from 23 to 61%. Associated shrubs include Atriplex confertifolia, Atriplex canescens, Ephedra cutleri, Ephedra viridis, Eriogonum corymbosum, Ericameria nauseosa, Fraxinus anomala, Purshia stansburiana, Quercus havardii, Rhus trilobata, Symphoricarpos longiflorus, Yucca angustissima, and Gutierrezia sarothrae. Herbaceous species provide sparse cover and may include Achnatherum hymenoides, Hesperostipa comata, Pleuraphis jamesii, Aristida purpurea, Sporobolus airoides, Machaeranthera canescens, and Lepidium montanum var. jonesii. Biological soil crusts are well-developed but sparse in some stands and provide up to 43% cover in others.
Dynamics: No Data Available
Environmental Description: Stands occur on the deep soils of plateaus, stream terraces, benches, and wash banks. Sites are found on flats and steep to gentle slopes between 1362 and 1865 m elevation. Bare soil or litter covers most of the unvegetated surface, depending on density of the vegetation and degree of disturbance. Dead wood and biological soil crusts provide sparse to moderate cover. Soils are rapidly drained sandy loams or loamy sands derived from alluvium or eolian deposits.
Geographic Range: This woodland association has only been described from Canyonlands National Park and Glen Canyon National Recreation Area in Utah.
Nations: US
States/Provinces: UT
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.794090
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.2 Cool Temperate Forest & Woodland Formation | F008 | 1.B.2 |
| Division | 1.B.2.Nc Western North American Pinyon - Juniper Woodland & Scrub Division | D010 | 1.B.2.Nc |
| Macrogroup | 1.B.2.Nc.1 Singleleaf Pinyon - Utah Juniper - Western Juniper Intermountain Woodland Macrogroup | M896 | 1.B.2.Nc.1 |
| Group | 1.B.2.Nc.1.a Two-needle Pinyon - Utah Juniper Woodland Group | G900 | 1.B.2.Nc.1.a |
| Alliance | A4371 Utah Juniper Colorado Plateau Shrubby Woodland Alliance | A4371 | 1.B.2.Nc.1.a |
| Association | CEGL003965 Utah Juniper / Fremont''s Mahonia Woodland | CEGL003965 | 1.B.2.Nc.1.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Juniperus osteosperma / Mahonia fremontii Woodland (Tendick et al. 2017)
- Tendick, A., J. Coles, K. Decker, M. Hall, J. Von Loh, T. Belote, A. Wight, G. Wakefield, and A. Evenden. 2012. Vegetation classification and mapping project report, Canyonlands National Park. Natural Resource Technical Report NPS/NCPN/NRTR--2012/577. National Park Service, Fort Collins, CO.
- Tendick, A., J. Spence, M. Reid, K. Shulz, G. Kittel, K. Green, A. Wight, and G. Wakefield. 2017. Vegetation classification and mapping project report, Glen Canyon National Recreation Area and Rainbow Bridge National Monument. Natural Resource Report NPS/NCPN/NRR—2017/1500. National Park Service, Fort Collins, CO. 1464 pp.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.