Santa Rita Experimental Range
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Photo Station #001



SEP19321 SEP 1932 1

Photo Archive No. 1.1.1932.09

Temp. No. 1135. Permanent No. 276409. Gravelly Ridge Project - Photo Station No. 1 looking North West. Typical gravelly ridge in semi-desert type, supporting little vegetation other than Browse species, burro weed, and annual grasses and weeds. 1-Ayenia pusilla, 3-Krameria glandulosa, 34-aplopappus, 35-Prosopis velutina, 36-Opuntia frigida. Elev. 3100, 9/16/32. Photo by Santa Rita Exp. Range. See: 276410, 328928, 328929 & 2453. 104-D. (Encl. #44)

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OCT19351 OCT 1935 1

Photo Archive No. 1.1.1935.10

Temp. No. 2146. Perm. No. 328928. Gravelly Ridge Project -- Photo Station No. 1. Looking Northwest. Typical Gravelly Ridge in semi-desert type supporting browse species, burro weed and annual grasses and weeds as vegetative cover. Retake of 276409 taken in 1932. To be compared. Photo by Cribbs of S.R.E.R. 10/14/35. Exp. 1/5 - 32 - 8 - CP. See also: 276410 & 2453 (104-D). (Encl #44)

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AUG19361 AUG 1936 1

Photo Archive No. 1.1.1936.08

Permanent No. 344271. Temporary No. 2453. Photo Station #1. Gravelly Ridge Study area. Repeat of Temp 1135 (Perm 276409). After 3 years of protection there is but slight change in this area; although, possibly, a few more annuals are present. Photo by Cribbs, S.R.E.R. 8/25/36. Compare also 2146 (104-D).

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MAR19601 MAR 1960 1

Photo Archive No. 1.1.1960.03

T-168. 12 Mar 1960. SRER, P.S. 1. 10H3b.

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JUL19851 JUL 1985 1

Photo Archive No. 1.1.1985.07

PS 1. Az 344. July 2, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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SEP19981 SEP 1998 1

Photo Archive No. 1.1.1998.09

PS 1. September 3, 1998. Facing north. Gravelly Ridge. Euryops invasion since 1960. Taken in far south end of East exclosure. Pentax 35mm camera with an f/8 50mm lens and color slide film. Dan Robinett.

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JUL20001 JUL 2000 1

Photo Archive No. 1.1.2000.07

PS 1. July 13, 2000, 10:15 a.m. Facing north. Azimuth 344. Pasture 16. ASA 125, Plus X film. 35mm lens focal length. Euryops removal in 1999 is apparent because plants present in 1998 photo are missing. M. McClaran.

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001_1_2007_03 MAR 2007 1

Photo Archive No. 001.1.2007.03

PS. 001. 21 March 2007. Facing north, Azimuth 344. Pasture 16. Gravelly Ridge Study Area. Elevation 936 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Mesquite alive far right and distant. Small shrubs Krameria, Senna and Zinnia. Blue paloverde left foreground, Epherda behind mesquite far right. Ocotillo present. Whitethorn acacia midground far right. Bouteloua aristidoides, cottontop threeawn grasses. Ephedra center distant with barrel cactus. Windy and cloudy conditions. Compared to 2000, more grass and cholla now. M. McClaran photographer, A. Nafus assistant.

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001_1_2010_03 MAR 2010 1

Photo Archive No. 001.1.2010.03

PS. 001. 15 March 2010 12:05 PM. Facing north, Azimuth 335. Pasture 16. Gravelly Ridge Study Area. Elevation 930 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive far right and distant. Small shrubs Krameria, Senna and Zinnia. Blue paloverde left foreground is now dead, and the prickly pear behind it is also dead, Epherda behind mesquite far right. Ocotillo present. Whitethorn acacia midground far right. Bouteloua aristidoides, cottontop threeawn grasses. Ephedra center distant with pima pineapple cactus. Windy conditions. Compared to 2007, dead Palo verde and prickly pear far left, and a slight increase in perennial grass density. M. McClaran photographer, A. Dalke assistant.

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Last updated - May 2010
Mitchel McClaran - mcclaran@u.arizona.edu