camera

Santa Rita Experimental Range

Repeat Photography

Photo Station: 301

See Time Series of Photos by Direction:

Direction: 1

Photo Archive No. 301.1.1949.01

Image

Date

January 1949

Direction

1

A49-76. Photo station 301 at enc. 163, looking southeast. Afr, cacti, Pve. No Agl where there used to be a fair stand.

JAN19491.TIF
Photo Archive No. 301.1.1954.10

Image

Date

October 1954

Direction

1

P.S. 301. B-54-78. Past. 5 on NW Rim Rd. looking to SE. Abundant annual grasses. 1/50-f22. Repeat of A-49-76. Bohning, SRER. 25 Oct. 54.

OCT19541.TIF
Photo Archive No. 301.1.1960.08

Image

Date

August 1960

Direction

1

T-293. 3 Aug 60. SRER, P.S. 301, ESE. 10H3b.

AUG19600.TIF
Photo Archive No. 301.1.1987.12

Image

Date

December 1987

Direction

1

PS-301. Azimuth 126. Dec. 3, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery.

DEC19871.TIF
Photo Archive No. 301.1.2000.04

Image

Date

April 2000

Direction

1

PS 301. April 3, 2000, 2:00 p.m. Facing southeast. Azimuth 126. Pasture 5N. Plus X, 125 ASA film. 35mm lens focal length. Drive to intersection of powerline road and Pasture 5N/5S boundary fence; walk towards Huerfano Butte; stay south of interior exclosure fence. Witness present, marked, painted fluorescent orange. All mesquite alive. Grasses are Eragrostis lehmanniana, Digitaria californica, Aristida, Muhlenbergia porteri; Gutierrezia sarothrae. M. McClaran.

APR20001.TIF
Photo Archive No. 301.1.2007.03

Image

Date

March 2007

Direction

1

PS. 301. 13 March 2007. Facing northeast, Azimuth 45. Pasture 5S. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Threeawn dominant grass by density, Lehmann lovegrass also common. Cottontop and bush muhly in open and under mesquite. Prickly pear, cholla are cacti. Snakeweed plants at bottom left. Many dead burroweed. Compared to 2000, much more grass, less burroweed, and larger prickly pear. M. McClaran photographer, no assistant.

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Photo Archive No. 301.1.2009.03

Image

Date

March 2009

Direction

1

PS. 301. 16 March 2009. Facing northeast, Azimuth 45. Pasture 5S. Elevation 968 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Bouteloua aristidoides and threeawn dominant grasses by density. Cottontop and bush muhly in open and under mesquite. Prickly pear, and cholla are cacti. Snakeweed plants at bottom left. Many dead burroweed. Compared to 2007, cottontop more common, Lehmann lovegrass less common, and cacti size increase. M. McClaran photographer, A. Peterson assistant.

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Photo Archive No. 301.1.2015.03

Image

Date

March 2015

Direction

1

PS. 301. 16 March 2015. 2:25 pm. Facing northeast, Azimuth 45. Pasture 5Mid. Elevation 968 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above witness. Mesquite alive and leaves emerging. Annual threeawn and perennial bush muhly are dominant grasses, other species present include cottontop, tanglehead and Lehmann lovegrass. Cottontop and bush muhly in open and under mesquite. Prickly pear, barrel, and cholla are cacti. Snakeweed plants at bottom left, and burroweed beneath center mesquite. Ephedra behind prickly pear on right. Zinnia present. Compared to 1949, view has shifted to north slightly, and more prickly pear now, but distant mesquite are still present. Compared to 2009, less annual threeawn, and three prickly pear deaths in midground. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 301.1.2021.03

Image

Date

March 2021

Direction

1

PS. 301. 26 March 2021. 11:09 am. Facing northeast, Azimuth 45. Pasture 5Mid. Elevation 968 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above witness. Mesquite alive and leaves emerging. Bush muhly and cottontop are dominant grasses, other species present include tanglehead and threeawns. Cottontop and bush muhly in open and under mesquite. Prickly pear, barrel, and cholla cacti present. Snakeweed plants at bottom left, and burroweed beneath center mesquite. Ephedra behind prickly pear on right. Zinnia present. Compared to 1949, view has shifted to north slightly, and more prickly pear now, but distant mesquite are still present. Compared to 2015, less grass production following very dry and hot conditions between July 2020 and March 2021, very little grass production in summer 2020 and very little green grass present now; no annual threeawn; one prickly pear dead in midground; barrel cactus dead at far right. M. McClaran photographer, A. Gorlier assistant.

301_1_2021_03.JPG

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Direction: 2

Photo Archive No. 301.2.1949.01

Image

Date

January 1949

Direction

2

A49-77. Photo station 301, looking southwest. Afr, cacti, Pve. No Agl where there used to be a fair stand.

JAN19490.TIF
Photo Archive No. 301.2.1954.10

Image

Date

October 1954

Direction

2

P.S. 301. B-54-79. Past. 5 on NW Rim Rd. looking SW. 1/50-f22. Repeat of A-49-77. Bohning, SRER. 25 Oct. 54.

OCT19540.TIF
Photo Archive No. 301.2.1960.08

Image

Date

August 1960

Direction

2

T-294. 3 Aug 60. SRER, P.S. 301, W. 10H3b.

AUG19601.TIF
Photo Archive No. 301.2.1987.12

Image

Date

December 1987

Direction

2

PS-301. Azimuth 240. Dec. 3, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery.

DEC19870.TIF
Photo Archive No. 301.2.2000.04

Image

Date

April 2000

Direction

2

PS 301. April 3, 2000, 2:00 p.m. Facing southwest. Azimuth 240. Pasture 5N. Plus X 125 ASA film. 35mm lens focal length. Drive to intersection of powerline road and Pasture 5N/5S boundary fence; walk towards Huerfano Butte; stay south of interior exclosure fence. Witness present, marked, painted fluorescent orange. Heteropogon contortus, Eragrostis lehmanniana, Haplopappus tenuisectus present; mesquite alive. M. McClaran.

APR20002.TIF
Photo Archive No. 301.2.2007.03

Image

Date

March 2007

Direction

2

PS. 301. 13 March 2007. Facing southwest, Azimuth 240. Pasture 5S. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Mesquite on left has Epherdra beneath. Blue palo verde far right. Threeawn dominant grass by density, Lehmann lovegrass also common. Cottontop common. Prickly pear, cholla are cacti. Many dead burroweed, but many still alive. Compared to 2000, more grass, less burroweed, dead prickly pear, and larger prickly pear. M. McClaran photographer, no assistant.

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Photo Archive No. 301.2.2009.03

Image

Date

March 2009

Direction

2

PS. 301. 16 March 2009. Facing southwest, Azimuth 240. Pasture 5S. Elevation 968 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Mesquite on left has Epherdra beneath. Blue palo verde far right. Bouteloua aristidoides and threeawn dominant grasses by density. Cottontop common. Bush muhly under foreground left cholla. Prickly pear, cholla are cacti. Many dead burroweed, but many still alive. Ephedra in front left was present in 1949, as was palo verde in distant center behind mid center mesquite. Photo view has drifted to west (right) a few degrees since 1948 original. Compared to 2007, Lehmann lovegrass less common, no change in burroweed.and prickly pear increase in size. M. McClaran photographer, A. Peterson assistant.

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Photo Archive No. 301.2.2015.03

Image

Date

March 2015

Direction

2

PS. 301. 16 March 2015. 2:28 pm. Facing southwest, Azimuth 240. Pasture 5Mid. Elevation 968 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above witness. Mesquite alive and leaves emerging. Mesquite on left has Epherdra beneath. Blue palo verde far right. Common grasses are bush muhly, Lehmann lovegrass and cottontop; bush muhly and cottontop under mesquite and in open areas. Prickly pear, cholla are cacti. Many dead burroweed, but many still alive. Ephedra in front left was present in 1949, as was palo verde in distant center behind mid center mesquite. Photo view has drifted to west (right) a few degrees since 1949 original. Compared to 1987 and 2000, less perennial grass. Compared to 2009, less perennial grass and less prickly pear, and several new burroweed plants. M. McClaran photographer, K. Hawkes assistant.

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Photo Archive No. 301.2.2021.03

Image

Date

March 2021

Direction

2

PS. 301. 26 March 2021. 10:35 am. Facing southwest, Azimuth 240. Pasture 5Mid. Elevation 968 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above witness. Mesquite alive and leaves emerging on the center mesquite. Mesquite on left has Epherdra beneath. Blue palo verde far right. Common grasses are bush muhly and cottontop; and both are under mesquite and in open areas. Prickly pear, cholla, and barrel cacti are present. Burroweed present. Ephedra in front left was present in 1949, as was palo verde in distant center behind mid center mesquite. Photo view has drifted to west (right) a few degrees since 1949 original. Compared to 1987 and 2000, less perennial grass. Compared to 2015, more perennial grass plants, but following very dry and hot conditions between July 2020 and March 2021, very little grass production in summer 2020 and very little green grass present now; no Lehmann lovegrass or threeawns; fewer prickly pear and cholla plants; barrel cactus present; and less prickly pear; and larger burroweed plants. M. McClaran photographer, A. Gorlier assistant.

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