Santa Rita Experimental Range
Repeat Photography

Photo Station #086

Photo Archive No. 086.1.1922.05

169059. Growth of Rothrocks Grama (Bouteloua rothrockii) after one years protection of previously grazed (heavily) range on the Santa Rita Range Reserve. (Neutral Strip) #11. 5/1922. Photo Sta. #86. See photos #163059 and #249830. 104-C.

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Photo Archive No. 086.1.1930.08

Temp. No. 658. Permanent No. 249830. Photo Sta #86. Showing view in northeast corner of Pasture 11 near Quadrat A1P to be compared with Photo 169059 & 163059. Aug. 1930. 104-C.

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Photo Archive No. 086.1.1951.10

B-51-56. P.S. 86 (no tag on post). Looking East in Past. 11A (foreground cleared of fuel). 50-32-13-3/4". Repeat of 169059. 2 Oct 1951.

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Photo Archive No. 086.1.1986.10

PS 86. Azimuth 80. Oct. 23, 1986. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 086.1.2000.05

PS 86. May 1, 2000, 3:48 p.m. Facing east. Azimuth 80. Pasture 11. ASA 135, Plus X film. 35mm lens focal length. 50 yds from road; marked fencepost; north side of road 62 between Madera Canyon Rd. and 62A. Looks at 2S pasture boundary. Eragrostis lehmanniana; burroweed, mesquites alive. Not certain this is same location as photos before 1987. M. McClaran.

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Photo Archive No. 086.1.2007.04

PS. 086. 09 April 2007. Facing east, Azimuth 80. Pasture UA Cell. Elevation 1126 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above, 40 m north of Road 62. Mesquite alive, >80% burroweed alive. Cholla cacti. Lehmann lovegrass dominant, also find cottontop under mesquite; also abundant amaranth plants. Good match with 1922 and more recent photos, which make mesquite ~100 yrs minimum. Compared to 2000, less grass and less prickly pear. M. McClaran photographer, C. McMurtry assistant.

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Photo Archive No. 086.1.2009.03

PS. 086. 18 March 2009. Facing east, Azimuth 80. Pasture UA Cell. Elevation 1130 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above, 40 m north of Road 62. Mesquite alive, burroweed alive. Cholla cacti. Lehmann lovegrass dominant, also find cottontop under mesquite. Good match with 1922 and more recent photos, which make mesquite ~100 yrs minimum. Compared to 2007, more burroweed and Lehmann lovegrass; small ocotillo and small cholla in mid-center; extensive stem girdling on mesquite; and Chloris under some mesquite and in open occasionally . M. McClaran photographer, A. Peterson assistant.

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Photo Archive No. 086.1.2015.03

PS. 086. 18 March 2015. 1:06 pm. Facing east, Azimuth 80. Pasture UA Cell. Elevation 1130 m. ISO 200, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above, 40 m north of Road 62. Mesquite alive, and leaves emerging. Buroweed numerous, also find snakeweed and Celtis in distant center. Tall grass in distant center is cane beardgrass. Cholla, prickly pear, and barrel cacti present. Lehmann lovegrass common, also find cottontop under mesquite. Good match with 1922 and more recent photos, which make mesquite ~100 yrs minimum. Compared to 2009, more burroweed plants and size increase; two small ocotillo became more obvious; small mesquite now visible in mid foreground between two large burroweed plants. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 086.1.2021.03

PS. 086. 19 March 2021. 2:40 pm. Facing east, Azimuth 80. Pasture UA Cell. Elevation 1130 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above, 40 m north of Road 62. Mesquite alive. Buroweed numerous, also find snakeweed and Celtis in distant center. Tall grass in distant center is cane beardgrass. Cholla, prickly pear, and barrel cacti present. Lehmann lovegrass common, also find cottontop under mesquite. Good match with 1922 and more recent photos, which make mesquite ~100 yrs minimum. Compared to 2015, following very dry and hot conditions between July 2020 and March 2021; lots of dynamics in burroweed and cholla with some new plants and some older plants died; more burroweed plants and size increase; two small ocotillo are larger; small mesquite visible in middle foreground is larger; between two large burroweed plants. M. McClaran photographer, A. Gorlier assistant.

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