Santa Rita Experimental Range
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Photo Station #067



JUL19360 JUL 1936 1

Photo Archive No. 67.1.1936.07

Permanent No. 344244. Temporary No. 2426. Photo Sta. 67. 100 feet southeast of fence, showing side of gully, adjacent to pasture 8, heavily overgrazed with no old grass left. Very little green growth starting. Photo by Cribbs, S.R.E.R. 7/23/36. 104-C.

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SEP19850 SEP 1985 1

Photo Archive No. 67.1.1985.09

PS 67. Azimuth 335. Sept. 13, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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DEC20001 DEC 2000 1

Photo Archive No. 67.1.2000.12

PS 67. December 14, 2000, 1:45 p.m. Facing northwest. Azimuth 335. Forest Service pasture adjacent to Pasture 8. ASA 100 TMAX film. 35mm lens focal length. Matches 1936 and 1985 photos. Note Mexican blue oak present in 1936 is dead and only trunk is visible in 1985 and 2000. Tanglehead is abundant grass. Agave, sotol and ocotillo dominate. M. McClaran.

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067_1_2007_04 APR 2007 1

Photo Archive No. 67.1.2007.04

PS. 067. 16 April 2007. Facing northwest, Azimuth 335. Elevation 1406 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, , camera above. Several Palmer agave are now dead but alive in 2000, including three in foreground. Area did not burn in July 2005. Ocotillo, Calliandra, desert spoon, velvet pod mimosa common plants. Prickly pear cactus. Mexican blue oak trunk not visible now, but apparently was visible in 2000. Prickly pear cactus present. Sideoats grama, sprangletop, plains lovegrass and wooly bunchgrass common grasses. Goldeneye (Viguiera sp.) species not as dominant as burned areas. Compared to 2000, less agave in foreground and midground, but less prickly pear distant where burned in 2000. M. McClaran photographer, M. McMurtry assistant.

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067_1_2012_03 MAR 2012 1

Photo Archive No. 67.1.2012.03

PS. 067. 13 March 2012, 11: AM. Facing northwest, Azimuth 335. Elevation 1410 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Area did not burn in July 2005. Ocotillo, Calliandra, desert spoon, velvet pod mimosa common plants. Prickly pear cactus. Sideoats grama, sprangletop, plains lovegrass, threeawn, and slender grama and common grasses. Compared to 2007, loss of agave in foreground, loss of desert spoon in center right midground, ocotillo in foreground increased in size, slightly less prickly pear, upper dead branches of kidneywood plant are present in right foreground; and decline of goldeneye (Viguiera sp.) and loss of wooly bunchgrass. M. McClaran photographer, K. Hawkes assistant.

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