Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #070



JUL19360 JUL 1936 1

Photo Archive No. 70.1.1936.07

Permanent No. 344247. Temporary No. 2429. Photo Station 70. 50 feet inside division fence between Forest and pasture 8. Showing steep slope with good covering of grass. Photo by Cribbs, S.R.E.R. 7/23/36. 104-C.

Download Photo (3,189,303 bytes)



SEP19850 SEP 1985 1

Photo Archive No. 70.1.1985.09

PS 70. Azimuth 9. Sept. 13, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery. Not exact field of view as in earlier photo.

Download Photo (1,508,795 bytes)



DEC20001 DEC 2000 1

Photo Archive No. 70.1.2000.12

PS 70. December 14, 2000, 2:00 p.m. Facing north. Azimuth 9. Pasture 8. ASA 100 TMAX film. 35mm lens focal length. Matches 1936 and 1985 photos. Large shrub in foreground is Eysenhardtia polystachya (kidneywood); at least four others behind this plant. Large kidneywood was present in 1985 and probably in 1936. Sideoats and cane beardgrass dominate. M. McClaran.

Download Photo (2,928,030 bytes)



070_1_2007_04 APR 2007 1

Photo Archive No. 70.1.2007.04

PS. 070. 16 April 2007. Facing north, Azimuth 009. Elevation 1426 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Area burned in July 2005. Six kidneywood plants present, at least two of which were present in 1936 photo. Mimosa biuncifera, Calliandra, agave, desert spoon, mesquite in bottom left. Prickly pear cactus present. Sideoats grama, sprangletop, plains lovegrass common grasses. Goldeneye (Viguiera sp.) species dominates herbaceous layer. Compared to 2000, less grass, less agave and prickly pear, more Goldeneye (Viguiera sp.). M. McClaran photographer, M. McMurtry assistant.

Download JPEG Photo (8,192 KB)

Download RAW Photo (20,159 KB)



070_1_2012_03 MAR 2012 1

Photo Archive No. 70.1.2012.03

PS. 070. 13 March 2012, 11:20 AM. Facing north, Azimuth 009. Elevation 1424 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Area burned in July 2005. Six kidneywood plants present, at least two of which were present in 1936 photo. Mimosa biuncifera, Calliandra, agave, desert spoon, mesquite in bottom left. Prickly pear cactus present. Sideoats grama, sprangletop, Lehmann lovegrass and cane beardgrass are common grasses. Compared to 2007, more grass, but lost plains lovegrass, less prickly pear, less Goldeneye (Viguiera sp.), lost plains lovegrass; and ocotillo in left midground died and stalks have fallen to ground. M. McClaran photographer, K. Hawkes assistant.

Download JPEG Photo (18,265 KB)

Download RAW Photo (29,752 KB)



[Return to SRER Home Page]

Last updated - August 2012
Mitchel McClaran - mcclaran@u.arizona.edu