Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #134



134_1_1937_03 MAR 1937 1

Photo Archive No. 134.1.1937.03

PS. 134. 31 March 1937. Mesquite and burroweed cleared area near Encl. No. 20 in Past. No. 3. General view looking south down the E boundary of the cleared area. Left half is quite typical of the cleared area prior to the grubbing of mesquite and burroweeds. There is a small amount of Rg and Ad showing on both the cleared and untreated areas. Perm. No. C-8.

Download Photo (1,997 KB)



134_1_1948_06 JUN 1948 1

Photo Archive No. 134.1.1948.06

PS. 134. June 1948. Repeat photo of C8 area 108. South along E. side of 108A. Afr heavy stand on formerly cleared plot and note increase of Pve on area to the left. Cholla has shown a big increase. Agl, Bro in low density. Photographer Culley.

Download Photo (4,738 KB)



134_1_1960_04 APR 1960 1

Photo Archive No. 134.1.1960.04

PS. 134. 15 April 1960. 10H3b.

Download Photo (3,124 KB)



134_1_2003_04 APR 2003 1

Photo Archive No. 134.1.2003.04

PS. 134. 11 April 2003. Facing south. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 19, 20. Mesquite were cut from left side of image in 1935. All visible mesquite leaves are from 2002. Dominant grass is Lehmann lovegrass. Shrubs are snakeweed and burroweed. M. McClaran photographer, S. McClaran assistant.

Download Photo (1,240 KB)



134_1_2007_03 MAR 2007 1

Photo Archive No. 134.1.2007.03

PS. 134. 12 March 2007. Facing south, Azimuth 180. Pasture 3. Elevation 1006 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above. Mesquite alive. Prickly pear and barrel cacti under/behind foreground mesquite. Bouteloua aristidoides and Lehmann lovegrass numerous. Larger grasses in open, beneath mesquite and under prickly pear are cottontop and Setaria. Bush muhly under mesquite. Dead burroweed numerous. Compared to 2000, slightly less grass mass, and much less burroweed. M. McClaran photographer, no assistant.

Download JPEG Photo (7,358 KB)

Download RAW Photo (18,627 KB)



134_1_2011_03 MAR 2011 1

Photo Archive No. 134.1.2011.03

PS. 134. 15 March 2011. 11:10 AM. Facing southwest, Azimuth 225. Pasture 3. Elevation 1003 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. Prickly pear and barrel cacti present. Lehmann lovegrass, cottontop, and bush muhly and threeawns plant beneath prickly pear plants. Larger grasses in open, beneath mesquite and under prickly pear are cottontop and Setaria. Bush muhly under mesquite. Large mesquite in foreground is visible as small plant in 1937 and 1948 photos. Very large mesquite in distance, that is visible in 1937 and 1948 photos, is now dead and has been for some time, u this is not visible from photo station. Celtis plants surround the mesquite skeleton. Compared to 2007, no Setaria present, dead barrel cactus in center mid-distance, some scattered small burroweed plants, perennial grass not much different but appears less abundant because recent grazing (last month) defoliated all plants. M. McClaran photographer, A. Dalke assistant.

Download JPEG Photo (14,206 KB)

Download RAW Photo (34,402 KB)



134_2_1937_03 MAR 1937 2

Photo Archive No. 134.2.1937.03

PS. 134. 31 March 1937. Mesquite and burroweed cleared area near Encl. No. 20 in Past. No. 3. General view of cleared area looking SW from NE corner of cleared area. Only a few clumps of grass left. Cholla cactus in foreground and scattered over entire area. Compare C-8, C109. Perm. No. C-9.

Download Photo (2,071 KB)



134_2_1960_04 APR 1960 2

Photo Archive No. 134.2.1960.04

PS. 134. 15 April 1960. 10H3b.

Download Photo (2,811 KB)



134_2_2003_04 APR 2003 2

Photo Archive No. 134.2.2003.04

PS. 134. 11 April 2003. Facing southsouthwest. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 21-23. Mesquite were cut in 1936-7. All visible mesquite leaves are from 2002. Dominant grass is Lehmann lovegrass. Shrubs are snakeweed and burroweed. M. McClaran photographer, S. McClaran assistant.

Download Photo (1,316 KB)



134_2_2007_03 Mar 2007 2

Photo Archive No. 134.2.2007.03

PS. 134. 12 March 2007. Facing southwest, Azimuth 220. Pasture 3. Elevation 1006 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above. Mesquite alive. Some dead burroweed. Snakeweed in poor shape. Prickly pear, barrel, and cholla cacti. Bouteloua aristidoides and some Lehmann lovegrass. Cottontop and bush muhly under mesquite. Compared to 2000, less grass mass, and less burroweed. M. McClaran photographer, no assistant.

Download JPEG Photo (6,489 KB)

Download RAW Photo (17,510 KB)



134_2_2011_03 Mar 2011 2

Photo Archive No. 134.2.2011.03

PS. 134. 15 March 2011. 11:00 AM. Facing southwest, Azimuth 260. Pasture 3. Elevation 1003 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. Prickly pear, barrel, and cholla cacti. Bouteloua aristidoides and some Lehmann lovegrass. Cottontop and bush muhly under mesquite, and Lehmann lovegrass under prickly pear. Compared to 2007, all barrel cacti in view are dead, prickly pear in poor condition, perennial grass abundance not much different but appears less because almost all plants were defoliated by recent (last month) grazing. M. McClaran photographer, A. Dalke assistant.

Download JPEG Photo (12,998 KB)

Download RAW Photo (32,799 KB)



134_3_1937_08 AUG 1937 3

Photo Archive No. 134.3.1937.08

PS. 134. 11 August 1937. Scattered area. Plot 108B. Mesquite and burroweed cut and scattered spring 1937. Very little mesquite originally stood in this corner of area. A good stand of annual grasses with a few perennials. Perm No. 357824 C109.

Download Photo (7,508 KB)



134_3_1948_06 JUN 1948 3

Photo Archive No. 134.3.1948.06

PS. 134. June 1948. Repeat photo of C109 area 108B looking NW across area 108B. Heavy increase of Afr and cholla. Grass density has increased but is still low. Agl, Bro principally. Photographer Culley. A48-100.

Download Photo (5,041 KB)



134_3_1960_04 APR 1960 2

Photo Archive No. 134.3.1960.04

PS. 134. 15 April 1960. 10H3b.

Download Photo (3,123 KB)



[Return to SRER Home Page]

Last updated - March 2009
Mitchel McClaran - mcclaran@u.arizona.edu