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G822 Western Boreal Cliff, Scree & Rock Vegetation Group
Type Concept Sentence: This sparsely vegetated rock outcrop and cliff face macrogroup is found in the boreal regions of Alaska and adjacent Yukon Territory. Stands include patchy vegetated fractures in the rock surface and less steep or more stable slopes that are composed of scattered trees and/or shrubs. Mosses or lichens may be very dense, well-developed and display cover well over 10%.
Common (Translated Scientific) Name: Western Boreal Cliff, Scree & Rock Vegetation Group
Colloquial Name: Western Boreal Cliff, Scree & Rock Vegetation
Hierarchy Level: Group
Type Concept: This sparsely vegetated rock outcrop and cliff face macrogroup is found in the boreal regions of Alaska and adjacent Yukon of. Stands include patchy vegetated fractures in the rock surface and less steep or more stable slopes that are composed of scattered trees and/or shrubs. Trees species include Pinus contorta, Tsuga spp., and Picea mariana. Mosses or lichens may be very dense, well-developed and display cover well over 10%.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: Insufficient information is available to describe this group. Currently its concept is arbitrarily limited to the boreal forests of Alaska and adjacent Yukon Territory, more or less following the range of boreal forest macrogroup concepts.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: No Data Available
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: This sparsely vegetated rock outcrop and cliff face macrogroup is found in the boreal regions of Alaska and adjacent Yukon Territory.
Nations: CA,US
States/Provinces: AK, YT
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.958946
Confidence Level: Moderate
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 6 Open Rock Vegetation Class | C06 | 6 |
| Subclass | 6.B Temperate & Boreal Open Rock Vegetation Subclass | S04 | 6.B |
| Formation | 6.B.1 Temperate & Boreal Cliff, Scree & Other Rock Vegetation Formation | F034 | 6.B.1 |
| Division | 6.B.1.Nc North American Boreal Cliff, Scree & Rock Vegetation Division | D329 | 6.B.1.Nc |
| Macrogroup | 6.B.1.Nc.1 North American Boreal Cliff, Scree & Rock Vegetation Macrogroup | M895 | 6.B.1.Nc.1 |
| Group | 6.B.1.Nc.1.a Western Boreal Cliff, Scree & Rock Vegetation Group | G822 | 6.B.1.Nc.1.a |
| Alliance | A4366 Western Boreal Mixed Lichen Rock Vegetation Alliance | A4366 | 6.B.1.Nc.1.a |
| Alliance | A4367 Western Boreal Mixed Forb Rock Vegetation Alliance | A4367 | 6.B.1.Nc.1.a |
| Alliance | A4368 Western Boreal Dryas - Lichen Rock Vegetation Alliance | A4368 | 6.B.1.Nc.1.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- Faber-Langendoen, D., J. Drake, S. Gawler, M. Hall, C. Josse, G. Kittel, S. Menard, C. Nordman, M. Pyne, M. Reid, L. Sneddon, K. Schulz, J. Teague, M. Russo, K. Snow, and P. Comer, editors. 2010-2019a. Divisions, Macrogroups and Groups for the Revised U.S. National Vegetation Classification. NatureServe, Arlington, VA. plus appendices. [in preparation]
- Viereck, L. A., C. T. Dyrness, A. R. Batten, and K. J. Wenzlick. 1992. The Alaska vegetation classification. General Technical Report PNW-GTR286. USDA Forest Service, Pacific Northwest Research Station, Portland, OR. 278 pp.