Bonanza Creek LTER
Bonanza Creek LTER
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Site Description - UP2C
Alias: 123FSL-LD-UP2C_aspen
Site status: Active
Latitude: 64.68862521
Longitude: -148.3790685
Size:
   
Site Information - UP2C
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General Information

Site synonyms 123, FSL-LD-UP2C_aspen,
General Description Closed Mixed Aspen - White Spruce Stand
Vegetation Description This dense mixed stand of aspen and white spruce originated following a wildfire between 1910 and 1915. The aspen dominate the tree canopy and white spruce and paper birch have relatively low canopy cover. Present (1993) density per hectare of trees is 2100 for aspen, 167 for white spruce, and 50 for paper birch ( total tree density 2317/ha): corresponding basal area for the four species is 30.9, .5 and <.1 ( total basal area 31.4 m2/ha). Dominant tree heights of the aspen are 19 to 21 m (average 20m) and for white spruce 11 to 19 (average 15 m) Diameters of the trees range from17 to 22 cm (average 18) for aspen and 11-13 (average 12) for white spruce. Total tree canopy cover is 76%. There is an 80% cover of shrubs under the aspen canopy, primarily Shepherdia canadensis, Viburnum edule, and Rosa acicularis. The 25% herbaceous cover is mostly of Epilobium angistifolium, Galium boreale, and Equisetum arvense. Mosses cover less than 3 % of the forest floor.
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The Bonanza Creek LTER, including this website, is supported by the National Science Foundation through awards DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629 and by the USDA Forest Service, Pacific Northwest Research Station through agreement number RJVA-PNW-01-JV-11261952-231. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporting agencies or the program as a whole.

© Bonanza Creek LTER, 2009.
Last modified 23-Nov-09
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