Santa Rita Experimental Range
Repeat Photography

Photo Station #111

Photo Archive No. 111.1.1922.12

170792. Typical runway between two main dens. Quadrat 2AR1 in immediate foreground, located to study the effect of rodents upon the vegetation. 12/18/22. Compare with 328868 (9/11/35). Photo Sta #111. Just south of Rodent Sta about midway between rain gage and S.W. corner looking West. SW corner of Rodent Sta in photo. 104-C.

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Photo Archive No. 111.1.1935.09

Perm. No. 328868. Temp. No. 2086. Quadrat 2AR1 in foreground. Located to study the effect rodents upon the vegetation. Retake of 170792 taken in 1922. To be compared. Photo by Cribbs of S.R.E.R. 9/11/35. Exp. 1/2 - 45 - 8 - G - CP. Photo Sta #111. 104-C.

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Photo Archive No. 111.1.1947.10

Temporary No. M318. 10/27/47. Project NPC. Experimental Range or National Forest S.R. Pasture 2. Rodent Station PS-111. Photographer SCM. Repeat photo of W.O. #328,868. NOTE: Photo M316 also archived under this number but not included on the web page is the same view as this photo.

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Photo Archive No. 111.1.1951.09

PS 111. B-51-22. Looking west along south side Rodent Sta. Encl. 60-32-13-3/4". Repeat of 328868. Bohning, SRER. 20 Sept 1951.

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Photo Archive No. 111.1.1958.08

M-586. 8-58. S.R.E.R. Retake at PS 111. Previous pictures are WO170792 (1922), WO328868 (1935), M316 (1947). 10H(3)b.

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Photo Archive No. 111.1.1962

M-823. Spring 1962. SRER, P.S. 111.

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Photo Archive No. 111.1.1969.03

CA-1804. 3/26/69. SRER, P.S. 111.

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Photo Archive No. 111.1.1970.07

CA-1873. 7-14-70. SRER. P.S. 111. NOTE: Photo CA-1872 also archived under this number but not included on the web page is the same view as this photo.

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Photo Archive No. 111.1.1975.06

M 1250. PS 111. June 19, 1975.

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Photo Archive No. 111.1.1986.10

PS 111. Azimuth 286. Oct. 23, 1986. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 111.1.1990.03

PS 111. March 23, 1990. Facing west. Azimuth 286. M. McClaran.

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Photo Archive No. 111.1.1993.09

PS 111. September 1993. Facing west. Azimuth 286. M. McClaran. Color print also available in archive.

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Photo Archive No. 111.1.1999.03

PS 111. March 1999. Facing west. Azimuth 286. Pasture 2S. M. McClaran.

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Photo Archive No. 111.1.2003.04

PS 111. April 11, 2003. Looking west. ASA 100 film. 35mm lens focal length. Mesquite leaves left over from previous year; no new leaves; very dry. Grass under mesquite dominated by Digitaria californica; large grasses in open are Boer's lovegrass; small Eragrostis lehmanniana both under and open; few scattered burroweed. M. McClaran.

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Photo Archive No. 111.1.2007.03

PS. 111. 21 March 2007. Facing west, Azimuth 286. Pasture 2SW. Rodent Station Exclosure. Elevation 1086 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Mesquite alive. Burroweed center foreground and beneath front mesquite. Celtis distant center. Boer's lovegrass and Lehmann lovegrass dominant in open. Cottontop and bush muhly under mesquite. Windy and cloudy conditions. Compared to 2003, less burroweed now. M. McClaran photographer, A. Nafus assistant.

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Photo Archive No. 111.1.2010.03

PS. 111. 16 March 2010 10:00 AM. Facing west, Azimuth 280. Pasture 2SW. Rodent Station Exclosure. Elevation 1080 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive. Burroweed center foreground and beneath front mesquite. Celtis distant center. Boer's lovegrass and Lehmann lovegrass dominant in open. Cottontop and bush muhly under mesquite. Find prickly pear and barrel cacti behind the nearest mesquite. Erosion channel in foreground appeared between 1999 and 2003, and it is beginning to fill because channel was cutt-off at the head. Windy conditions. Compared to 2007, less burroweed now. M. McClaran photographer, A. Dalke assistant.

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Photo Archive No. 111.1.2016.03

PS. 111. 14 March 2016 10:10 AM. Facing west, Azimuth 280. Pasture 2SW. Rodent Station Exclosure. Elevation 1080 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive. Burroweed center foreground and beneath front mesquite. Celtis distant center. Boer's lovegrass and Lehmann lovegrass dominant in open. Cottontop, setaria and bush muhly under mesquite. Desert marigold in foreground. Find prickly pear, cholla and barrel cacti behind the nearest mesquite. Celtis in mid-ground behind the front mesquite was featured in the 1922 photo, it is still alive but about 50% of the stems are dead now. Erosion channel in foreground appeared between 1999 and 2003, is now close to full with new sediment. Compared to 2010, more burroweed density and the small plants will likely grow larger in the next decade; also less Boer's lovegrass. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 111.1.2022.03

PS. 111. 07 March 2022 11:05 AM. Facing west, Azimuth 280. Pasture 2SW. Rodent Station Exclosure. Elevation 1080 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive. Burroweed center foreground and beneath front mesquite. Celtis distant center. Lehmann lovegrass dominant in open, Boer’s lovegrass present but declining. Cottontop, Setaria and bush muhly under mesquite. Annual grasses verry common. Find prickly pear, and cholla. Celtis in mid-ground behind the front mesquite was featured in the 1922 photo, it is still alive but about 50% of the stems are dead now. Erosion channel in foreground appeared between 1999 and 2003 because or direct flow path from spur road from Road 411 to Rodent Station Exclosure and rain gauge, is now close to full of new sediment but a channel still exists without vegetation. Compared to 2016, much more grass cover that includes annual grasses as well as perennials; fewer burrowed plants, but larger than in 2016; lost a barrel cactus; and Celtis continues to decline. M. McClaran photographer, A. Gorlier assistant.

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