Photo Archive No. 268.1.1948.09
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.
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.
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.
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.
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.
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.
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.