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Photo Station #150



MAR19370 AUG 1937 1

Photo Archive No. 150.1.1937.08

Perm. No. 357827. C-112. Mesquite Plot. Photo Sta. 150. Plot 108A. Fork in small gully. A small amount of Feathergrass and Aristida show which antecede the clearing. The gully already shows the first signs of healing. 8/11/37. 5x7. 400-D. S.A. 108.

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APR19600 APR 1960 1

Photo Archive No. 150.1.1960.04

T-219. 15 Apr 60. SRER, P.S. 150. 10H3b. Not exact field of view as in earlier photo.

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JUL19870 JUL 1987 1

Photo Archive No. 150.1.1987.07

PS 150. Azimuth 105. July 8, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery. Taken 10' from PS on Az 285 for better view.

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NOV001_1 NOV 2000 1

Photo Archive No. 150.1.2000.11.1

PS 150. November 13, 2000, 2:30 p.m. Facing east. Azimuth 105. Pasture 3. ASA 125 Plus X film. 35mm lens focal length. Matches 1937 photo. Burroweed dominates; some snakeweed. Muhlenbergia porteri and Digitaria californica under mesquites. Channel is active. M. McClaran.

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NOV001_2 NOV 2000 1

Photo Archive No. 150.1.2000.11.2

PS 150. November 13, 2000, 2:30 p.m. Facing east. Pasture 3. ASA 125 Plus X film. 35mm lens focal length. Matches 1960 photo. M. McClaran.

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NOV001_3 NOV 2000 1

Photo Archive No. 150.1.2000.11.3

PS 150. November 13, 2000, 2:30 p.m. Facing east. Pasture 3. ASA 125 Plus X film. 35mm lens focal length. Matches 1987 photo. M. McClaran.

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150_1_2007_03_1 Mar 2007 1

Photo Archive No. 150.1.2007.03.1

PS. 150. 12 March 2007. Facing east, Azimuth 105. Pasture 3. Elevation 1008 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera 3 m east of witness and 1.6 m height, vertical exposure. Mesquite alive. Snakeweed at base of small mesquite. Grasses in wash: cane beardgrass, cottontop, Lehmann lovegrass. Many dead burroweed on wash slopes. Zinnia above slopes. Prickly pear and cholla cacti. Desert broom under large mesquite at right distant. Chloris, threeawns and pappus grass scattered. Compared to 2000, more grass mass in wash, and less burroweed. M. McClaran photographer, no assistant.

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150_1_2007_03_2 MAR 2007 1

Photo Archive No. 150.1.2007.03.2

PS. 150. 12 March 2007. Facing east, Azimuth 105. Pasture 3. Elevation 1008 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera 3 m east of witness and 1.6 m height, horizontal exposure. Mesquite alive. Snakeweed at base of small mesquite. Grasses in wash: cane beardgrass, cottontop, Lehmann lovegrass. Many dead burroweed on wash slopes. Zinnia above slopes. Prickly pear and cholla cacti. Desert broom under large mesquite at right distant. Chloris, threeawns and pappus grass scattered. Compared to 2000, more grass mass in wash, and less burroweed. M. McClaran photographer, no assistant.

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150_1_2007_03_3 MAR 2007 1

Photo Archive No. 150.1.2007.03.3

PS. 150. 12 March 2007. Facing east, Azimuth 105. Pasture 3. Elevation 1008 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera 4 m west of witness. Mesquite alive. Prickly pear, and barrel cacti. Little leaf Baccharis and prickly pear next to witness. Stinkgrass (Eragrostis cilianensis) present under mesquite with bush muhly. Compared to 2000, much less burroweed. M. McClaran photographer, no assistant.

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150_1_2011_03_1 Mar 2011 1

Photo Archive No. 150.1.2011.03.1

PS. 150. 15 March 2011. 3:00 PM. Facing east, Azimuth 90. Pasture 3. Elevation 995 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera 3 m east of witness and 1.6 m height, vertical exposure. Mesquite alive. Grasses in wash: cane beardgrass, cottontop, bush muhly, Lehmann lovegrass, and threeawns. Prickly pear and cholla cacti. Compared to 2007, snakeweed at base of small mesquite, more grass mass in wash, no Zinnia above wash, and less burroweed, no desert broom under mesquite at right, prickly pear in midground is dead, prickly pear in foreground in good condition . M. McClaran photographer, A. Dalke assistant.

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150_1_2011_03_2 MAR 2011 1

Photo Archive No. 150.1.2011.03.2

PS. 150. 15 March 2011. 3:00 PM. Facing east, Azimuth 90. Pasture 3. Elevation 995 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera 3 m east of witness and 1.6 m height, horizontal exposure. Mesquite alive. Grasses in wash: cane beardgrass, cottontop, bush muhly, Lehmann lovegrass, and threeawns. Prickly pear and cholla cacti. Compared to 2007, snakeweed at base of small mesquite, more grass mass in wash, no Zinnia above wash, and less burroweed, no desert broom under mesquite at right, prickly pear in midground is dead, prickly pear in foreground in good condition . M. McClaran photographer, A. Dalke assistant.

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150_1_2011_03_3 MAR 2011 1

Photo Archive No. 150.1.2011.03.3

PS. 150. 15 March 2011. 3:20 PM. Facing east, Azimuth 90. Pasture 3. Elevation 995 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera 4 m west of witness. Mesquite alive. Prickly pear, and barrel cacti present. Bush muhly present under mesquite. Compared to 2007, little leaf Baccharis is dead near witness post, stinkgrass not present, perennial grass largely unchanged but appears less because recent grazing (last month) defoliated most plants. M. McClaran photographer, A. Dalke assistant.

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Last updated - April 2011
Mitchel McClaran - mcclaran@u.arizona.edu