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Photo Station #018



NOV19360 JUN 1936 1

Photo Archive No. 18.1.1936.06.1

Perm. No. 329028. Temp. No. 2294. Photo Station #18, at Plot #1. Study Area 106, located on the south side of the road leading to Box Station. Photo shows 50x50 burroweed plot just before burning. This is part of the burroweed study project to determine the effect of burning on burroweeds and other vegetation at different seasons of the year. 1/10-168"-K2-CP. Photo by Cribbs, S.R.E.R. 6/11/36. Compare 2295. 400-D.

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JUN19360 JUN 1936 1

Photo Archive No. 18.1.1936.06.2

Perm. No. 329029. Temp. No. 2295. Photo Station #18. Showing 50x50 ft. burroweed plot #1, at Study Area #106, immediately after burning. 1/10-16-8"-K2-CP. Photo by Cribbs, S.R.E.R. 6/11/36. Compare 2294. 400-D.

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DEC19520 SEP 1952 1

Photo Archive No. 18.1.1952.09

P.S. 18. B-52-12. Study Area 106 looking NE - burroweed burning plot. 35-45-13 3/4". Repeat of 329029. Bohning, SRER. 4 Sept. 1952.

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MAR19600 MAR 1960 1

Photo Archive No. 18.1.1960.03

T-185. P.S. #18. 25 Mar 1960. 10H3b.

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JUN19850 JUN 1985 1

Photo Archive No. 18.1.1985.06

PS-18. Azimuth 264. June 26, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 18.1.2000.04

PS 18. April 21, 2000, 12:30 p.m. Facing west. Azimuth 264. Pasture 2S. Plus X, ASA 125 film. 35mm lens focal length. Witness present; no tag; marked with pencil. Burned in 1994, killing most trees and all Haplopappus tenuisectus. Replaced by Eragrostis lehmanniana and a couple of Heteropogon contortus. Remaining trees are sprouting. Fence on left is ARS watershed study. M. McClaran.

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018_1_2007_04 APR 2007 1

Photo Archive No. 018.1.2007.04

PS. 018. 09 April 2007. Facing northeast, Azimuth 45. Pasture UA Cell. Elevation 1164 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Mesquite alive. Cholla and prickly pear cacti. Lehmann lovegrass dominant with many small plants recently recruited, also find threeawns, tanglehead and Boers lovegrass. Pipes in view were part of burroweed burning treatment in 1936 scattered cottontop. All mesquite burned in 1994, and regrowth is greater now than 2000. My truck in background. Compared to 2000, less grass. M. McClaran photographer, C. McMurtry assistant.

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018_1_2009_03 MAR 2009 1

Photo Archive No. 018.1.2009.03

PS. 018. 18 March 2009. Facing northeast, Azimuth 45. Pasture UA Cell. Elevation 1167 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Mesquite alive. Cholla and prickly pear cacti. Lehmann lovegrass dominant also find threeawns, cottontop and tanglehead. Pipes in view were part of burroweed burning treatment in 1936 scattered cottontop. All mesquite burned in 1994. The large mesquite that was present in the center of the photos from 1936, 1952, and 1960; but dead in 1985, may be present as skeleton behind the mesquite plant that is in the center of the photo now. Compared to 2007, more grass, no Boer’s lovegrass remaining, increase in Bouteloua aristidoides; and note that cottontop are the large grass plants in the exclosure on the left. M. McClaran photographer, A. Peterson assistant.

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Last updated - August 2009
Mitchel McClaran - mcclaran@u.arizona.edu