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Photo Station #274



SEP19480 SEP 1948 1

Photo Archive No. 274.1.1948.09

A48-222. Photo station 274, pasture 12B, looking northeast. Little perennial grass. Scattered bushes of Krameria. Fair cover annual grasses. 9/7.

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APR19600 APR 1960 1

Photo Archive No. 274.1.1960.04

T-207. 6 Apr. 60. SRER, P.S. 274 looking NE. 10H3b.

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OCT19840 OCT 1984 1

Photo Archive No. 274.1.1984.10

PS 274. Azimuth 85. Oct. 24, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:11-16 1/125 20'. 9:05 A.M. Robert F. Buttery.

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FEB19880 FEB 1988 1

Photo Archive No. 274.1.1988.02

PS 274. Az 85. Feb. 2, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:8 1/125 Inf. 11:45 AM. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 274.1.2000.04

PS 274. April 10, 2000, 4:35 p.m. Facing east. Azimuth 85. Pasture 12B. Plus X, 125 ASA film. 35mm lens focal length. Winess 200' south of road. Ocotillos obvious; calliandra flowering; Zinnia pumila, Aristida; Eragrostis lehmanniana in background. Heteropogon contortus on far left; Krameria parvifolia. M. McClaran.

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274_1_2007_03 MAR 2007 1

Photo Archive No. 274.1.2007.03

PS. 274. 21 March 2007. Facing east, Azimuth 85. Pasture 12B. Elevation 945 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria but some Calliandra. Ocotillo foreground and background. Cholla and pricky pear cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, Rothrock grama, and tanglehead grasses. Windy and cloudy conditions. Compared to 2000, more grass and Ephedra now. M. McClaran photographer, A. Nafus assistant.

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274_1_2010_05 MAY 2010 1

Photo Archive No. 274.1.2010.05

PS. 274. 27 May 2010. Facing east, Azimuth 70. 2:40 PM. Pasture 12B. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria but some Calliandra. Ocotillo foreground and background. Cholla and pricky pear cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, Rothrock grama, and tanglehead grasses. Fate of four large ocotillo present in 2007: left plant large in 1948 and alive in 2007 is now dead; left center plant alive now; right center plant remains large in 2010; and far right ocotillo was small in 1948 and now is alive and large. Breezy conditions. Compared to 2007, less grass, and more cholla and Calliandra and Krameria now. M. McClaran photographer, A. Dalke assistant.

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274_1_2016_03 MAR 2016 1

Photo Archive No. 274.1.2016.03

PS. 274. 13 March 2016. Facing east, Azimuth 90. 2:17 PM. Pasture 12B. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria but some Calliandra. Ocotillo foreground and background. Blue palo verde present far right. Cholla and pricky pear cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, Rothrock grama, and tanglehead grasses. Fate of four large ocotillo present in 2007: left plant large in 1948 and alive in 2007 is now dead; left center plant alive now; right center plant is now dead and fallen over; and far right ocotillo was small in 1948 and now is alive and large. Breezy conditions. Compared to 2010, cholla in front right fell over, less grass on road-side of the fence. M. McClaran photographer, K. Hawkes and D. Landreville assistants.

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274_1_2022_03 MAR 2022 1

Photo Archive No. 274.1.2022.03

PS. 274. 14 March 2022. Facing east, Azimuth 90. 3:34 PM. Pasture 12B. Elevation 937 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria but some Calliandra and few of those flowering. Blue palo verde present far right. Porophyllum and snakeweed present. Ocotillo foreground and background. Cholla and pricky pear cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass and threeawns grasses. Fate of four large ocotillo present in 2007: left plant large in 1948 is still dead; left center plant alive and larger than 2016; right center plant is still dead and fallen over; and far right ocotillo was small in 1948 and is alive and larger than 2016. Compared to 2016, three chollas in foreground have died, at least 4 new cholla plants, abundant annual grama grass (Bouteloua aristidoides) from wet summer 2021, added Porophyllum and snakeweed, and lost tanglehead and Rothrock grama. M. McClaran photographer, A. Gorlier assistant.

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SEP19481 SEP 1948 2

Photo Archive No. 274.2.1948.09

A48-223. Photo station 274, pasture 12B, looking southeast. Little perennial grass. Scattered bushes of Krameria. Fair cover annual grasses, all dry. Note clump Adi around dead cholla in center of photo.

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APR19601 APR 1960 2

Photo Archive No. 274.2.1960.04

T-206. 6 Apr 60. SRER, P.S. 274 looking SE. 10H3b.

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OCT19841 OCT 1984 2

Photo Archive No. 274.2.1984.10

PS 274. Azimuth 160. Oct. 24, 1984. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:16 1/125 20'. 9:00 A.M. Robert F. Buttery.

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FEB19881 FEB 1988 2

Photo Archive No. 274.2.1988.02

PS 274. Az 160. Feb. 2, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 11:50 A.M. Robert F. Buttery.

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APR20002 APR 2000 2

Photo Archive No. 274.2.2000.04

PS 274. April 10, 2000, 4:40 p.m. Facing south. Azimuth 160. Pasture 12B. Plus X, 125 ASA film. 35mm lens focal length. Winess 200' south of road. Prosopis velutina alive. Eragrostis lehmanniana in distance; Aristida in foreground. Calliandra flowering. Zinnia pumila, Krameria parvifolia. M. McClaran.

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274_2_2007_03 MAR 2007 2

Photo Archive No. 274.2.2007.03

PS. 274. 21 March 2007. Facing south, Azimuth 160. Pasture 12B. Elevation 945 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria but some Calliandra and Zinnia. Midground left is whitethorn acacia, blue paloverde, and catclaw acacia. Cholla, pricky pear, and barrel cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, Rothrock grama, and tanglehead, annual threeawn grasses. Ephedra center distant with barrel cactus. Windy and cloudy conditions. One buffelgrass found in wash and pulled. Compared to 2000, more grass and less cholla now. M. McClaran photographer, A. Nafus assistant.

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274_2_2010_05 MAY 2010 2

Photo Archive No. 274.2.2010.05

PS. 274. 27 May 2010. Facing south, Azimuth 150. 2:35 PM. Pasture 12B. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria and Calliandra with some Zinnia. Midground left is whitethorn acacia, blue paloverde, and catclaw acacia. Cholla, pricky pear, and barrel cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, Rothrock grama, and tanglehead, annual threeawn grasses. Ephedra center distant with barrel cactus. Breezy conditions. One buffelgrass found in wash and pulled. Cholla skeleton in right foreground died between 2007-2010, and it appeared first in 1998 photo. Compared to 2007, less grass and less cholla, but more Calliandra and Krameria now. M. McClaran photographer, A. Dalke assistant.

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274_2_2016_03 MAR 2016 2

Photo Archive No. 274.2.2016.03

PS. 274. 13 March 2016 2:32 PM. Facing south, Azimuth 165. Pasture 12B. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria and Calliandra with some Zinnia. Midground left is whitethorn acacia, blue paloverde, and catclaw acacia. Cholla, pricky pear, and barrel cacti. Ephedra right midground. Bouteloua aristidoides, Lehmann lovegrass, bush muhly, Setaria, cottontop, three awn, and annual threeawn grasses. Ephedra center distant with barrel cactus. Breezy conditions. Compared to 2010, foreground has more plant cover and bare patch is not present; Rothrock grama and tanglehead not present; cholla in foreground fell over; and some barrel cacti in the distance have fallen over or are missing (only one is still alive and standing but is blocked from view by mesquite). M. McClaran photographer, K. Hawkes and D. Landreville assistants.

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274_2_2022_03 MAR 2022 2

Photo Archive No. 274.2.2022.03

PS. 274. 14 March 2022 3:40 PM. Facing south, Azimuth 165. Pasture 12B. Elevation 937 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small shrubs mainly Krameria and Calliandra (some flowering) and beyond wash find Zinnia, Celtis, little leaf baccharis, burroweed, and snakeweed. Midground left (behind blue palo verde) is whitethorn acacia, blue paloverde, and catclaw acacia. Cholla, pricky pear, and on other side of wash find barrel cactus. Ephedra right midground and center distant. Bouteloua aristidoides (annual grama grass) and threeawn in front of wash, beyond was find bush muhly, Setaria, cottontop under mesquites. Buffelgrass in small wash. Compared to 2016, abundant annual grama grass (Bouteloua aristidoides) from wet summer 2021, many new cholla plants in foreground, lost Lehmann lovegrass, added buffelgrass. M. McClaran photographer, A. Gorlier assistant.

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Last updated - February 2023
Mitchel McClaran - mcclaran@u.arizona.edu