Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #281



SEP19481 1948 1

Photo Archive No. 281.1.1948

A48-236. Photo station 281, pasture #3, looking north. Scattered bunches Mpo and Tca, Agl, Adi. Fair stand comparatively and fair to good growth on Mpo with poor growth on Tca. All dry now.

Download Photo (2,535,641 bytes)



APR19601 APR 1960 1

Photo Archive No. 281.1.1960.04

T-224. 16 Apr 60. SRER, P.S. 281. 10H3b.

Download Photo (1,297,941 bytes)



NOV19841 NOV 1984 1

Photo Archive No. 281.1.1984.11

PS 281. Azimuth 10. November 7, 1984. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:8-11 1/125 20'. 12:05 P.M. Robert F. Buttery.

Download Photo (829,588 bytes)



FEB19881 FEB 1988 1

Photo Archive No. 281.1.1988.02

PS 281. Az 10. Feb. 10, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 4:10 P.M. Robert F. Buttery.

Download Photo (1,329,104 bytes)



APR20001 APR 2000 1

Photo Archive No. 281.1.2000.04

PS 281. April 7, 2000. Facing north. Azimuth 10. Pasture 3. Plus X, ASA 125 film. 35mm lens focal length. Fencepost missing; painted rebar placed. Mesquite all alive; grass is Lehmann lovegrass. On edge of mesquite-creosotebush ecotone. M. McClaran.

Download Photo (2,451,610 bytes)



281_1_2007_03 MAR 2007 1

Photo Archive No. 281.1.2007.03

PS. 281. 13 March 2007. Facing north, Azimuth 10. Pasture 3. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Repainted rebar present, camera above rebar. 5 m north of Road 487. Mesquite alive, joined by Ephedra, creosote and Zinnia. Barrel, prickly pear, hedgehog, and cholla cacti. Bouteloua aristidoides and threeawns main grasses. Unknown small Asteraceae shrub, solitary head, entire alternate leaves that are quite hairy, scabrous stem, that is frequently browsed. Many dead burroweed. Bush muhly under mesquite. Pappus grass distant center near creosote. Mesquite-creosote ecotone and soil change. Compared to 2000, less grass, dead burroweed, and larger prickly pear and barrel cacti. M. McClaran photographer, no assistant.

Download JPEG Photo (5,324 KB)

Download RAW Photo (16,199 KB)



281_1_2009_03 MAR 2009 1

Photo Archive No. 281.1.2009.03

PS. 281. 16 March 2009. Facing north, Azimuth 10. Pasture 3. Elevation 962 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Repainted rebar present, camera above rebar. 5 m north of Road 487. Mesquite alive, joined by Ephedra, creosote and Zinnia. Barrel, prickly pear, hedgehog, and cholla cacti. Bouteloua aristidoides and threeawns main grasses. Unknown small Asteraceae shrub, solitary head, entire alternate leaves that are quite hairy, scabrous stem, that is frequently browsed. Bush muhly under mesquite. Pappus grass and Lycium pallida with cottontop as neighbor in distant center near creosote. Mesquite-creosote ecotone and soil change. Compared to 2007, new numerous small (~10-15 cm tall) cholla throughout including small cholla at bottom foreground of photo. M. McClaran photographer, A. Peterson assistant.

Download JPEG Photo (5,005 KB)

Download RAW Photo (14,675 KB)



SEP19480 1948 2

Photo Archive No. 281.2.1948

A48-235. Photo station 281, pasture #3, looking west. Scattered bunches Mpo and Tca, Agl, Adi. Fair stand comparatively and fair to good growth on Mpo with poor growth on Tca. All dry now.

Download Photo (2,537,791 bytes)



APR19600 APR 1960 2

Photo Archive No. 281.2.1960.04

T-223. 16 Apr. 60. SRER, P.S. 281. 10H3b.

Download Photo (1,324,384 bytes)



NOV19840 NOV 1984 2

Photo Archive No. 281.2.1984.11

PS 281. Azimuth 278. Nov. 7, 1984. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:8-11 1/125 20'. 12:00 Noon. Robert F. Buttery.

Download Photo (877,204 bytes)



FEB19880 FEB 1988 2

Photo Archive No. 281.2.1988.02

PS 281. Az 278. Feb. 10, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 4:15 P.M. Robert F. Buttery.

Download Photo (1,245,095 bytes)



APR20002 APR 2000 2

Photo Archive No. 281.2.2000.04

PS 281. April 7, 2000. Facing west. Azimuth 278. Pasture 3. Plus X, ASA 125 film. 35mm lens focal length. Fencepost missing; painted rebar placed. Mesquite all alive; grass is Lehmann lovegrass. On edge of mesquite-creosotebush ecotone. M. McClaran.

Download Photo (2,799,422 bytes)



281_2_2007_03 MAR 2007 2

Photo Archive No. 281.2.2007.03

PS. 281. 13 March 2007. Facing west, Azimuth 278. Pasture 3. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Repainted rebar present, camera above rebar at 1.2 m height. 5 m north of Road 487. Mesquite alive, joined by creosote and Zinnia. Many dead burroweed. Barrel, prickly pear, and cholla cacti. Bouteloua aristidoides, Lehmann lovegrass, and threeawns main grasses. Unknown small Asteraceae shrub, solitary head, entire alternate leaves that are quite hairy, scabrous stem, that is frequently browsed. Many dead burroweed. Bush muhly and Eragrostis cilianensis under mesquite (left midground) with packrat den. Yucca elata behind that mesquite. Mesquite-creosote ecotone and soil change. Compared to 2000, less grass, and dead burroweed. M. McClaran photographer, no assistant.

Download JPEG Photo (6,431 KB)

Download RAW Photo (17,339 KB)



281_2_2009_03 MAR 2009 2

Photo Archive No. 281.2.2009.03

PS. 281. 16 March 2009. Facing west, Azimuth 278. Pasture 3. Elevation 962 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Repainted rebar present, camera above rebar at 1.2 m height. 5 m north of Road 487. Mesquite alive, joined by creosote and Zinnia. Barrel, prickly pear, and cholla cacti. Bouteloua aristidoides and threeawns main grasses. Unknown small Asteraceae shrub, solitary head, entire alternate leaves that are quite hairy, scabrous stem. Many dead burroweed. Bush muhly and Eragrostis cilianensis under mesquite (left midground) with packrat den. Yucca elata behind that mesquite only has live mass near ground, the former 80-100 cm top is dead. Mesquite-creosote ecotone and soil change. Compared to 2007, Lehmann lovegrass less common, a small mesquite (~25 cm tall) growing beneath camera locations, small mesquite behind foreground mesquite has had termite cast on left stem trunk and shows sign of damage and some stem death or right side . M. McClaran photographer, A. Peterson assistant.

Download JPEG Photo (6,669 KB)

Download RAW Photo (16,831 KB)



[Return to SRER Home Page]

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