Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #149



149_1_1937_08 AUG 1937 1

Photo Archive No. 149.1.1937.08

PS. 149. 11 August 1937. Plot 108A. Taken from NW corner of cleared area. Gully in middle distance shows signs of healing. A good stand of annual grass. This area cleared of mesquite and burroweed during spring 1936 by CCC. Perm. No. 357826 C-111.

Download Photo (1,369 KB)



149_1_1960_04 APR 1960 1

Photo Archive No. 149.1.1960.04

PS. 149. 15 April 1960. 10H3b.

Download Photo (2,995 KB)



149_1_2003_04 APR 2003 1

Photo Archive No. 149.1.2003.04

PS. 149. 11 April 2003. Facing southeast. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 5-7. All visible mesquite leaves are from 2002. Dominant grass is Lehmann lovegrass, some cottontop present. Shrubs are snakeweed, Zinnia, and burroweed. M. McClaran photographer, S. McClaran assistant.

Download Photo (1,349 KB)



149_1_2007_03 MAR 2007 1

Photo Archive No. 149.1.2007.03

PS. 149. 12 March 2007. Facing south, Azimuth 180. Pasture 3. Elevation 1004 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above. Mesquite alive. Most, if not all, burroweed is dead. Scattered struggling snakeweed. Prickly pear, barrel, hedgehog, and cholla cacti. Many Zinnia. Cottontop is large grass in center. Bouteloua aristidoides and Lehmann lovegrass scattered throughout. Bush muhly and cottontop under foreground mesquite. Celtis behind 2 midground mesquite, and Lycium to left of that. Compared to 2003, much less burroweed and snakeweed, and little less grass. M. McClaran photographer, no assistant.

Download JPEG Photo (6,198 KB)

Download RAW Photo (16,615 KB)



149_1_2011_03 MAR 2011 1

Photo Archive No. 149.1.2011.03

PS. 149. 15 March 2011. 12:10 PM. Facing south, Azimuth 160. Pasture 3. Elevation 997 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. Prickly pear, barrel, hedgehog, and cholla cacti. Cottontop is large grass in center, but is shorter because it was recently (last month) grazed. Scattered threeawns and Lehmann lovegrass. Bush muhly and cottontop under foreground mesquite. Celtis behind 2 midground mesquite, and Lycium to left of that. Compared to 2007, less Zinnia, and many very small burroweed and snakeweed plants. M. McClaran photographer, A. Dalke assistant.

Download JPEG Photo (12,654 KB)

Download RAW Photo (32,782 KB)



[Return to SRER Home Page]

Last updated - April 2011
Mitchel McClaran - mcclaran@u.arizona.edu