camera

Santa Rita Experimental Range

Repeat Photography

  • Photo Station 268 location map

    Photo Station: 268

    See Time Series of Photos by Direction:

Direction: 1

  • Photo Archive No. 268.1.1948.09
    Image
    Photo Archive No. 268.1.1948.09
    Date
    September 1948
    Direction
    1
    A48-210. Photo station 268, looking south in 12A. Scant grass stand. Ber and others. Excellent stand of Cer. Poor growth. Some annual weeds and grasses. 9/7.
  • Photo Archive No. 268.1.1959.11
    Image
    Photo Archive No. 268.1.1959.11
    Date
    November 1959
    Direction
    1
    M-643. 11/30/59. S.R.E.R. Photopoint 268, general view looking south, to be compared with earlier photos from the same point and direction.
  • Photo Archive No. 268.1.1960.04
    Image
    Photo Archive No. 268.1.1960.04
    Date
    April 1960
    Direction
    1
    T-198. 1 Apr 60. SRER, P.S. 268. 10H3b.
  • Photo Archive No. 268.1.1984.10
    Image
    Photo Archive No. 268.1.1984.10
    Date
    October 1984
    Direction
    1
    PS 268. Azimuth 218. Oct. 10, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:16 1/125.10'. 1:15 P.M. Robert F. Buttery.
  • Photo Archive No. 268.1.1988.01
    Image
    Photo Archive No. 268.1.1988.01
    Date
    January 1988
    Direction
    1
    PS-268. Az 218. Jan. 26, 1988. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.
  • Photo Archive No. 268.1.2000.04
    Image
    Photo Archive No. 268.1.2000.04
    Date
    April 2000
    Direction
    1
    PS 268. April 14, 2000, 11:30 a.m. Facing southwest. Azimuth 218. Pasture 12A. Plus X, 125 ASA film. 35mm lens focal length. Easily visible from road (south side); witness up and marked. Mesquites leafed out; calliandra in flower; ocotillo in flower. All Eragrostis lehmanniana. 3/4 of short mesquite in foreground is dead. Small chain-fruit in mid-foreground. Not burned in 1994. M. McClaran.
  • Photo Archive No. 268.1.2007.03
    Image
    Photo Archive No. 268.1.2007.03
    Date
    March 2007
    Direction
    1
    PS. 268. 15 March 2007. Facing southwest, Azimuth 218. Pasture 12C. Elevation 1070 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness replaced, camera above witness. Mesquite alive. All tall shrubs are mesquite. Calliandra common low shrub with leaves and flowers emerging. One barrel and a few cholla. Ocotillo present. Lehmann lovegrass only perennial grass. Compared to 2000, less grass now. M. McClaran photographer, M. McGregor assistant.
  • Photo Archive No. 268.1.2013.03
    Image
    Photo Archive No. 268.1.2013.03
    Date
    March 2013
    Direction
    1
    PS. 268. 20 March 2013. 10:11 am. Facing southwest, Azimuth 215. Pasture 12C. Elevation 1068 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive. All tall shrubs are mesquite. Calliandra common low shrub with leaves and a few flowers emerging. One barrel and a few cholla. Ocotillo present and leaves beginning to emerge. Lehmann lovegrass only perennial grass, and most of these have been grazed since end of summer growing season. Compared to 2007, midground has more grass, and foregreound has less grass, but more grass cover overall; less Calliandra, especially in foreground. M. McClaran photographer, K. Hawkes assistant.
  • Photo Archive No. 268.1.2019.03
    Image
    Photo Archive No. 268.1.2019.03
    Date
    March 2019
    Direction
    1

    PS. 268. 04 March 2019. 10:14 am. Facing southwest, Azimuth 215. Pasture 12C. Elevation 1068 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive. All tall shrubs are mesquite. Calliandra common low shrub without leaves and a few flowers emerging. One barrel and many cholla. Ocotillo present and no leaves yet. At far distance on far right, find Ephedra and Baccharis plants. Lehmann lovegrass only perennial grass. Compared to 2013, more grass and less bare ground; more cholla plants. M. McClaran photographer, A. Gorlier assistant.

  • Photo Archive No. 268.1.2024.08
    Image
    Photo Archive No. 268.1.2024.08
    Date
    August 2024
    Direction
    1

    PS. 268. 20 August 2024 10:25 AM. Facing southwest, Azimuth 215. Pasture 12C. Elevation 1068 m. ISO 100, 35mm focal length, Canon 5D Mark IV Digital Camera. Witness present, camera above. Species census in 40 m2 plot, starting 2 m from camera ending 8 m from camera, right and left boundaries follow the right and left edges of the camera view. The 9 species found in the plot were: Bahia absinthifolia, Calliandra eriophylla, Cylindropuntia fulgida, Eragrostis lehmanniana, Evolvulus arizonicus, Machaeranthera tagetina, Portulaca suffrutescens, Solanum elaeagnifolium, and Talinum aurantiacum.  M. McClaran photographer, A. Gorlier assistant.

  • Photo Archive No. 268.1.2025.03
    Image
    Photo Archive No. 268.1.2025.03
    Date
    March 2025
    Direction
    1

    PS. 268. 06 March 2025. 11:33 am. Facing southwest, Azimuth 215. Pasture 12C. Elevation 1068 m. ISO 200, 35mm focal length, Canon 5D Mark IV Digital Camera.  Witness present, camera above. Framing of 2025 is slightly left of 2013 and 2019, and lower than 2000.The Framing of 2013 is slightly higher than 2019 and 2025. Framing in 1948 and 1988 are more narrow and lower. Mesquite alive, mesquite behind center foreground mesquite is a large plant in the 1948 photo, and foreground mesquite was not present in 1948. All tall shrubs are mesquite. Velvet pod mimosa is second shrub on left margin, and Calliandra common low shrub (without leaves). Many cholla present. Ocotillo present and no leaves yet. At far distance on far right, find Ephedra and Baccharis plants. Lehmann lovegrass is domain grass, and other grass are: Setaria (under mesquite foreground), and cane beardgrass (under large mesquite distant center).  The foreground and midground center rocks that are easily visible in 2019 are the same in 1948. Compared to 2019, more grass cover and grass litter, added Setaria and cane beardgrass, some new cholla and some cholla death, lost barrel cactus.  M. McClaran photographer, S. Duglio assistant.

  • Photo Archive No. 268.1.2025.08
    Image
    Photo Archive No. 268.1.2025.08
    Date
    August 2025
    Direction
    1

    PS. 268. 19 August 2025 9:40 AM. Facing southwest, Azimuth 215. Pasture 12C. Elevation 1068 m. ISO 100, 35mm focal length, Canon 5D Mark IV Digital Camera. Witness present, camera above. Species census in 40 m2 plot, starting 2 m from camera ending 8 m from camera, right and left boundaries follow the right and left edges of the camera view. The 9 species found in the plot were: Ayenia filiformis, Calliandra eriophylla, Eragrostis lehmanniana, Euphorbia hyssopifolia, Evolvulus arizonicus, Hexasepalum teres, Panicum hirticaule, Sida abutifolia, and Talinum aurantiacum M. McClaran photographer, A. Gorlier assistant.

Direction: 2

  • Photo Archive No. 268.2.1948.09
    Image
    Photo Archive No. 268.2.1948.09
    Date
    September 1948
    Direction
    2
    A48-211. Photo station 268, looking west. Scant grass stand. Ber and others. Excellent stand of Cer. Poor growth. Some annual grasses and weeds. 9/7.
  • Photo Archive No. 268.2.1959.11
    Image
    Photo Archive No. 268.2.1959.11
    Date
    November 1959
    Direction
    2
    M-644. 11/30/59. S.R.E.R. Photostation 268, general view of vegetation looking n.w. to be compared with earlier photographs.
  • Photo Archive No. 268.2.1960.04
    Image
    Photo Archive No. 268.2.1960.04
    Date
    April 1960
    Direction
    2
    T-199. 1 Apr 60. SRER, P.S. 268. 10H3b.
  • Photo Archive No. 268.2.1984.10
    Image
    Photo Archive No. 268.2.1984.10
    Date
    October 1984
    Direction
    2
    PS 268. Azimuth 335. Oct. 10, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:11-16 1/125 10'. 1:20 P.M. Robert F. Buttery.
  • Photo Archive No. 268.2.1988.01
    Image
    Photo Archive No. 268.2.1988.01
    Date
    January 1988
    Direction
    2
    PS-268. Az 335. Jan. 26, 1988. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.
  • Photo Archive No. 268.2.2000.04
    Image
    Photo Archive No. 268.2.2000.04
    Date
    April 2000
    Direction
    2
    PS 268. April 14, 2000, 11:30 a.m. Facing northwest. Azimuth 335. Pasture 12A. Plus X, 125 ASA film. 35mm lens focal length. Easily visible from road (south side); witness up and marked. Short shrub in foreground is Celtis. South side of road not burned in 1994. North side of road burned in 1994. M. McClaran.
  • Photo Archive No. 268.2.2007.03
    Image
    Photo Archive No. 268.2.2007.03
    Date
    March 2007
    Direction
    2
    PS. 268. 15 March 2007. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness replaced, camera above witness. Mesquite alive. Celtis is small shrub center. No Acacias. Cholla present. Calliandra common low shrub with leaves and flowers emerging. Ocotillo present. Blue palo verde left distant. Lehmann lovegrass only perennial grass. Compared to 2000, less grass now. M. McClaran photographer, M. McGregor assistant.
  • Photo Archive No. 268.2.2013.03
    Image
    Photo Archive No. 268.2.2013.03
    Date
    March 2013
    Direction
    2
    PS. 268. 20 March 2013. 10:28 am. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive. Celtis is small shrub center, and three blue palo verde plants near that Celtis, and one larger palo verde in left distance. No Acacias. Cholla present. Calliandra common low shrub with leaves and flowers emerging. Ocotillo present. Lehmann lovegrass dominant perennial grass, and cottontop and threeawns plants under mesquite. A few snakeweed and burroweed plants. Compared to 2007, more grass now. M. McClaran photographer, Kelsey Hawkes assistant.
  • Photo Archive No. 268.2.2019.03
    Image
    Photo Archive No. 268.2.2019.03
    Date
    March 2019
    Direction
    2
    PS. 268. 04 March 2019. 10:10 am. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive. Celtis is small shrub center, and two blue palo verde plants near that Celtis, and one larger palo verde in left distance that is damaged. No Acacias. Cholla present. Calliandra common low shrub without leaves and flowers emerging. Ocotillo and desert broom Baccharis present. Lehmann lovegrass dominant perennial grass, and cottontop and threeawns plants under mesquite. A few snakeweed and burroweed plants. Compared to 2013, much more grass now, and some litter that has a grey color. M. McClaran photographer, A. Gorlier assistant.
  • Photo Archive No. 268.2.2024.08
    Image
    Photo Archive No. 268.2.2024.08
    Date
    August 2024
    Direction
    2

    PS. 268. 20 August 2024 10:15 AM. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 100, 35mm focal length, Canon 5D Mark IV Digital Camera. Witness present, camera above. Species census in 40 m2 plot, starting 2 m from camera ending 8 m from camera, right and left boundaries follow the right and left edges of the camera view. The 7 species found in the plot were: Calliandra eriophylla, Chenopodium fremontii, Eragrostis lehmanniana, Evolvulus arizonicus, Machaeranthera tagetina, Solanum elaeagnifolium, and Talinum aurantiacum.  M. McClaran photographer, A. Gorlier assistant.

  • Photo Archive No. 268.2.2025.03
    Image
    Photo Archive No. 268.2.2025.03
    Date
    March 2025
    Direction
    2

    PS. 268. 06 March 2025. 11:45 am. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 125, 35mm focal length, Canon 5D Mark IV Digital Camera.  Witness present, camera above. Framing in 2013 and 2025 is slightly left of 2019, and 2025 is slightly higher than 2013 and 2019. Framing in 1948, 1988, and 2000 are more narrow, not as far right, and lowest in 1948, lower in 1988, and least lower in 2000 compared to 2025. Mesquite alive. Celtis is small shrub center, and two blue palo verde plants near that Celtis, and one larger palo verde in left distance that was damaged in 2019 but has recovered. No Acacias. Velvet pod mimosa on edge of road, were there in 2019 as well. Cholla present, and at least one new plant since 2019. Calliandra common low shrub without leaves. Ocotillo present. Lehmann lovegrass dominant perennial grass, and cottontop (open and under mesquite), and threeawns (under), Setaria (under). No snakeweed or burroweed plants this year or in 2019 upon close inspection of 2019 photo. Compared to 2019, very slight decline in grass cover and litter, added Setaria, and desert broom Baccharis are dead. M. McClaran photographer, S. Duglio assistant.

  • Photo Archive No. 268.2.2025.08
    Image
    Photo Archive No. 268.2.2025.08
    Date
    August 2025
    Direction
    2

    PS. 268. 19 August 2025 9:30 AM. Facing northwest, Azimuth 335. Pasture 12C. Elevation 1070 m. ISO 100, 35mm focal length, Canon 5D Mark IV Digital Camera. Witness present, camera above. Species census in 40 m2 plot, starting 2 m from camera ending 8 m from camera, right and left boundaries follow the right and left edges of the camera view. The 9 species found in the plot were: Calliandra eriophylla, Eragrostis lehmanniana, Euphorbia hyssopifolia, Evolvulus arizonicus, Hexasepalum teres, Panicum hirticaule, Sida abutifolia, Solanum elaeagnifolium, and Talinum aurantiacum   M. McClaran photographer, A. Gorlier assistant.