Santa Rita Experimental Range
Repeat Photography

Photo Station #065

Photo Archive No. 65.1.1936.07

Permanent No. 344242. Temporary No. 2424. Photo Sta. 65. Top of ridge east of section corner, showing fence line above Florida Station, between Pasture 8 and Forest Range. Area on right has been subjected to moderate yearlong grazing. Photo by Cribbs, S.R.E.R. 7/23/36. 104-C.

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Photo Archive No. 65.1.1985.09

PS 65. Azimuth 48. Sept. 13, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 65.1.2000.12

PS 65. December 14, 2000, 12:15 p.m. Facing northeast. Azimuth 48. Outside SRER; just east of Pasture 8. ASA 100 TMAX film. 35mm lens focal length. Oak in 1936 photo is now dead; alligator juniper in right foreground is dead on right side. Fenceline through picture is not as obvious as 1936. Most trees are Mexican blue oak or alligator juniper; prominent shrub (only one) is Cercocarpus; other low shrubs are Mimosa biuncifera. Grasses are plains lovegrass, green sprangletop, sideoats; no Lehmann lovegrass. M. McClaran.

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Photo Archive No. 65.1.2007.04

PS. 065. 16 April 2007. Facing northeast, Azimuth 48. Elevation 1402 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, no tag, camera above. Juniper present at right midground in 2000, was killed by July 2005 fire; also large Mexican blue oaks in center midground in 2000 and large tree in 1936 photo, are not present today and no evidence of them (must have burned completely?). Mountain mahogany foreground left is less robust than 2000; also present are ocotillo, velvet pod mimosa, desert spoon, manzanita, shrubby buckwheat, small Dalea species, shrubby buckwheat and barrel cactus. Sideoats grama, plains lovegrass, Texas bluestem?, cane beardgrass, Aritida ternipes grasses; also Goldeneye (Viguiera sp.) dominates herbaceous layer. Compared to 2000, less grass, less Juniper and Mexican blue oak, more Goldeneye (Viguiera sp.). M. McClaran photographer, M. McMurtry assistant.

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Photo Archive No. 65.1.2012.03

PS. 065. 13 March 2012, 1:52 PM. Facing northeast, Azimuth 48. Elevation 1388 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, no tag, camera above. Mountain mahogany, ocotillo, velvet pod mimosa, desert spoon, mesquite shrubby buckwheat, and shrubby buckwheat are present. Sideoats grama, plains lovegrass, Texas bluestem, cane beardgrass, Aristida ternipes grasses. Compared to 2007, more grass, less goldeneye (Viguiera sp.); mountain mahogany foreground left is less robust, increase in mimosa; desert spoons on hillside top left corner are no longer present, junipers are now dead than 2000. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 65.1.2018.03

PS. 065. 06 March 2018, 1:45 PM. Facing northeast, Azimuth 48. Elevation 1388 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, no tag, camera above. Mountain mahogany, ocotillo, velvet pod mimosa, desert spoon, mesquite, Palmer Agave, Laoysia, Ericameria, and shrubby buckwheat are present. Sideoats grama most common perennial grass plains, also Muhlenbergia emerslyi (bullgrass). Since 2012, less grass including loss of plains lovegrass and Texas bluestem; dying oak is brown in middle of image; and more mimosa cover in foreground. M. McClaran photographer, K. Landreville assistant.

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