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Bunchgrass-pine competition

imageID: 21245
Description: Bunchgrass-pine competition
Keywords: grasses
sample plot
Organisms: ponderosa pine
Photographer: G. A. Pearson
Original collection id: 354193
Media: Black and white print
Collection: Fort Valley Experimental Forest historical photographs
Quality: 3
Location: Fort Valley Exp. Forest; AZ; USA
Date(mm/dd/yyyy): 09/21/1937
Comments: Coconino Sample Plot S3B; Experiment within rodent exclosure, begun 1928. Plots from front backward are, in order; 1-natural, 2-clipped in 6" 2-3 x's annually 1928-36 (No clipping in summer '37); 3-clipped same as 2 but to 2"; 4-denuded. Stake marks path between 2 and 3. All were shown to pine in 1929 and good germination resulted. The present survival is; plot 1-3 seedlings (small); plot 2-5 seedlings; plot 3-10 seedlings, plot 4-so dense tht thinnings have been necessary. On plot 2 clipped to 6" the Ariz. fescue is giving way to Mntn. muhly and beardless bunchgrass; on plot 3 fescue has almost disappeared but there are good stands of the other species. Sample Plot S3B.
Citation: Use of this image is governed by Creative Commons CC BY. If you use the image, please include the following citation:

Olberding, Susan D.; Huebner, Daniel P.; Edminster, Carleton B. 2007. Fort Valley Experimental Forest historical photographs. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. https://doi.org/10.2737/RDS-2007-0005


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