Santa Rita Experimental Range
Repeat Photography

Photo Station #148

Photo Archive No. 148.1.1937.08

Perm. No. 357825. C-110. Mesquite Plot. Photo Sta. 148. Plot 108B. Cleared with brush scattered spring of 1937. A small gully just beyond bisnagas has already started to fill in as a result of scattered brush. Only fair stand of grass in this corner of area. Taken from NE corner. 8/11/37. 5x7. 400-D. S.A. 108.

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Photo Archive No. 148.1.1960.04

T-220. 15 Apr 60. SRER, P.S. 148. 10H3b.

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Photo Archive No. 148.1.1987.07

PS 148. Azimuth 240. July 8, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 148.1.2000.11

PS 148. November 13, 2000, 12:15 p.m. Facing southwest. Azimuth 240. Pasture 3. 125 ASA Plus X film. 35mm lens focal length. Bouteloua rothrockii, Digitaria californica, and Eragrostis lehmanniana dominant grasses; burroweed and zinnia shrubs. Wash is quite deep (~1 meter), a reverse from 1937 photo, and some cutting at this time. Setaria macrostachya and Muhlenbergia porteri under trees. M. McClaran.

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Photo Archive No. 148.1.2003.04

PS 148. April 11, 2003. Looks southwest. ASA 100 film. 35mm lens focal length. Visible mesquite leaves all from last year. Dominant grasses: Eragrostis lehmanniana, Bouteloua rothrockii, Aristida spp. Shrubs: burroweed, snakeweed. M. McClaran.

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Photo Archive No. 148.1.2007.03

PS. 148. 12 March 2007. Facing south southwest, Azimuth 200. Pasture 3. Elevation 1012 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above. Mesquite alive. Nearly all dead burroweed. Scattered Zinnia. Snakeweed in poor shape. Prickly pear, hedgehog, barrel, and cholla cacti. Most grass plants are Bouteloua aristidoides or Lehmann lovegrass. Some Rothrock grama and threeawns. Cottontop, bush muhly and Setaria under mesquite, and some in open. Compared to 2000, less grass mass, and less burroweed. M. McClaran photographer, no assistant.

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