Santa Rita Experimental Range
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Photo Station #058



JUL19350 JUL 1935 1

Photo Archive No. 58.1.1935.07

Perm. No. 328717. Temp. No. 1916. Photo Station #58. About three-fourths of a mile south of Proctor's Ranch along east boundary fence of Pasture 9. Photo taken with regular lens, showing conservatively grazed range in Pasture 9 on the left as compared to heavily overgrazed range outside of Pasture 9 on the right. All grasses on heavily grazed area are in very much weakened condition. Photo by Culley, S.R.E.R. July 1935. 104-C. NOTE: Photo 328719 (Temp. No. 1918) also archived under this number but not included on the web page is the same view; photo 328714 (Temp. No. 1913) shows a wider field of view.

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OCT19860 OCT 1986 1

Photo Archive No. 58.1.1986.10

PS 58. Azimuth 350. Oct. 23, 1986. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery. Not exact field of view as in earlier photo.

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NOV20001 NOV 2000 1

Photo Archive No. 58.1.2000.11

PS 58. November 2, 2000, 3:45 p.m. Facing north. Azimuth 350. Pasture 9. ASA 125 Plus-X film. 35mm lens focal length. PS tag is in top wire of fence. Original large tree in fenceline (1935) is dead and on ground it appears to be Prosopis velutina; now Prosopis velutina plants are at edge of drop-off to wash below. Open areas with Eragrostis lehmanniana and burroweed; some Setaria macrostachya and Digitaria californica under trees. No difference in vegetation between sides of the fence. M. McClaran.

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058_1_2007_04 APR 2007 1

Photo Archive No. 58.1.2007.04

PS. 058. 11 April 2007. Facing north, Azimuth 350. Pasture 9. Elevation 1348 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, but tag is present in fence (top strand), camera above tag. Mesquite alive, Lycium in fenceline in front of mesquite, burroweed all alive, turpentine bush, Zinnia. Prickly pear. Lehmann lovegrass dominant, also cottontop, cane beardgrass; Setaria under mesquite. Center oak in 1935, trunk still present half of which fell north into wash and half fell south to surface. Left oak in 1935, trunk still present twisting toward ground. Mesquite right midground in 1935, still present. Compared to 2000, less grass. M. McClaran photographer, M. McGregor assistant.

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058_1_2013_03 MAR 2013 1

Photo Archive No. 58.1.2013.03

PS. 058. 27 March 2013. Facing north, Azimuth 360. Pasture 9. Elevation 1343 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, but tag is present in fence (top strand), camera above tag. Mesquite alive, Lycium in fenceline in front of mesquite, burroweed all alive, turpentine bush, Zinnia. Prickly pear. Lehmann lovegrass dominant, also cottontop, cane beardgrass; sideoats and Setaria under large mesquite in center of photo. Small mesquite from 1935 photo to left of the left oak, is still alive and much larger. Center oak in 1935, trunk still present half of which fell north into wash and half fell south to surface. Left oak in 1935, trunk still present twisting toward ground. Mesquite right midground in 1935, still present. Compared to 2007, more grass especially on left side of fence. M. McClaran photographer, K. Hawkes assistant.

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Last updated - June 2013
Mitchel McClaran - mcclaran@u.arizona.edu