Santa Rita Experimental Range
Repeat Photography

Photo Station #109

Photo Archive No. 109.1.1920.04

Plate #3. Temporary No. 188. Permanent No. 49730A. Santa Rita RR. Made by R.R. Hill on 15 Apr 1920 at 1:30 m. Using stop No. 45. Direction E. Light bright 1/2 sec. Contrast in utilization between inside and outside Pasture #1. Outside range has no reserve forage for balance of year; stock must depend entirely upon new growth. Photo Sta. #109. Compare 328862. North or NW of Forest Station. Along old fence line just (handwriting illegible) of Encl #14. 104-C.

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Photo Archive No. 109.1.1935.09

Perm. No. 328862. Temp. No. 2079. Contrast in utilization between inside and outside pasture 1. Retake of 49730A taken in 1920. To be compared. Photo by Cribbs of S.R.E.R. 9/10/35. Exp. 1/25 - 16 - 8 - CP. Photo Sta. #109. 104-C.

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Photo Archive No. 109.1.1984.05

PS 109. Azimuth 96. May 9, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:11-16 1/125 20'. 12:00 Noon. Very hazy day. Robert F. Buttery.

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Photo Archive No. 109.1.1988.02

PS 109. Az 96. Feb. 26, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 11:00 A.M. Robert F. Buttery.

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Photo Archive No. 109.1.2000.05

PS 109. May 1, 2000. Facing east. Azimuth 96. Pasture 8. ASA 135, Plus X film. 35mm lens focal length. Through gate 100 yds. down little road to rock cairn; just past west end of study area 14. No fencepost; instead use rock pile on east side of road to study area 14. Eragrostis lehmanniana; mesquites are alive. M. McClaran.

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Photo Archive No. 109.1.2007.04

PS. 109. 04 April 2007. Facing east, Azimuth 96. Pasture 8, near exclosure 14. Elevation 1278 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, rock cairn constructed on immediate north shoulder of road, camera above. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra in leaf and flower, burroweed, and Agave. Very small prickly pear foreground. Lehmann lovegrass dominant, also find sideoats grama and sprucetop grama. Good match with earlier photos. Compared to 2000, less grass. M. McClaran photographer, K. Lohse assistant.

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Photo Archive No. 109.1.2010.03

PS. 109. 18 March 2010 4:00 PM. Facing east, Azimuth 90. Pasture 8, near exclosure 14. Elevation 1264 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, rock cairn constructed on immediate north shoulder of road, camera above. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra and burroweed. The Agave present in 2007 is now dead. Small prickly pear foreground. Lehmann lovegrass dominant, also find sideoats grama and sprucetop grama. Hillside in distant left was burned in May 2009 and removal of vegetation permits brighter red soil surface to be viewed. Good match with earlier photos. Windy conditions. Compared to 2007, more grass. M. McClaran photographer, A. Dalke assistant.

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Photo Archive No. 109.1.2016.03

PS. 109. 16 March 2016 1:44 PM. Facing east, Azimuth 95. Pasture 8, near exclosure 14. Elevation 1264 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, cairn of large rocks (not painted) constructed on immediate north shoulder of road, camera above. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra and burroweed. The Agave present in 2007 is now dead. Small prickly pear foreground. Lehmann lovegrass dominant, also find sideoats grama. Setaria under mesquite. Since 2010, bareground patch in midground is now covered by Lehmann lovegrass; bare ground on distance hills that started with the 2009 fire is now covered with grass; prickly pear is larger; there is more grass cover overall; but the sprucetop grama is no longer present. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 109.1.2022.03

PS. 109. 14 March 2022 12:43 PM. Facing east, Azimuth 95. Pasture 8, near exclosure 14. Elevation 1264 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, cairn of large rocks (painted) constructed on immediate north shoulder of road, camera above. Area burned in 2018. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra and burroweed. Small mesquite in foreground were top-killed in 2018 fire, but have resprouted and are alive. Large mesquite in center was killed by the fire. Small agave present in distant center, near a Dasylyrion. Small prickly pear foreground is missing after the fire, but a new prickly pear in distant center. Lehmann lovegrass dominant, also find sideoats grama. Setaria under mesquite. Since 2016, more bare ground and less grass cover impact of 2020 drought, one dead large mesquite from 2018 fire but small mesquite in foreground resprouted and are alive. M. McClaran photographer, A. Gorlier assistant.

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