Perm. No. 357825. C-110. Mesquite Plot. Photo Sta. 148. Plot 108B. Cleared with brush scattered spring of 1937. A small gully just beyond bisnagas has already started to fill in as a result of scattered brush. Only fair stand of grass in this corner of area. Taken from NE corner. 8/11/37. 5x7. 400-D. S.A. 108.
PS 148. Azimuth 240. July 8, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.
PS 148. November 13, 2000, 12:15 p.m. Facing southwest. Azimuth 240. Pasture 3. 125 ASA Plus X film. 35mm lens focal length. Bouteloua rothrockii, Digitaria californica, and Eragrostis lehmanniana dominant grasses; burroweed and zinnia shrubs. Wash is quite deep (~1 meter), a reverse from 1937 photo, and some cutting at this time. Setaria macrostachya and Muhlenbergia porteri under trees. M. McClaran.
PS 148. April 11, 2003. Looks southwest. ASA 100 film. 35mm lens focal length. Visible mesquite leaves all from last year. Dominant grasses: Eragrostis lehmanniana, Bouteloua rothrockii, Aristida spp. Shrubs: burroweed, snakeweed. M. McClaran.
PS. 148. 12 March 2007. Facing south southwest, Azimuth 200. Pasture 3. Elevation 1012 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above. Mesquite alive. Nearly all dead burroweed. Scattered Zinnia. Snakeweed in poor shape. Prickly pear, hedgehog, barrel, and cholla cacti. Most grass plants are Bouteloua aristidoides or Lehmann lovegrass. Some Rothrock grama and threeawns. Cottontop, bush muhly and Setaria under mesquite, and some in open. Compared to 2000, less grass mass, and less burroweed. M. McClaran photographer, no assistant.
PS. 148. 15 March 2011. 10:30 AM. Facing south southwest, Azimuth 245. Pasture 3. Elevation 998 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. Scattered Zinnia. Prickly pear, hedgehog, barrel, and cholla cacti. Most grass plants are Bouteloua aristidoides or Lehmann lovegrass. Some Rothrock grama and threeawns. Cottontop, bush muhly and Setaria under mesquite, and some in open. Snakeweed and blue palo verde on far side of channel. Compared to 2007, many new very small burroweed plants, more perennial grass plants but the appearance is less grass because recent grazing (last month) defoliated nearly all plants, a Boer’s lovegrass plant under center mesquite, and generally the old burroweed and snakeweed died in last 4 years.. M. McClaran photographer, A. Dalke assistant.
PS. 148. 15 March 2017. 10:55 AM. Facing south southwest, Azimuth 245. Pasture 3. Elevation 998 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. Scattered Zinnia and burroweed. Prickly pear, barrel, and cholla cacti. Most grass plants are Bouteloua aristidoides or Lehmann lovegrass. Some Rothrock grama, bush muhly, Lehmann lovegrass and cottontop in wash. Cottontop and bush muhly under mesquite, and some in open. Snakeweed and blue palo verde on far side of channel. Since 2011, less perennial and annual grass mass; lost Setaria, hedgehog, and Boer’s lovegrass; foreground cholla died; new prickly pear and small barrel cactus under foreground mesquite; increase in burroweed density and size; and added spiny haplopappus M. McClaran photographer, K. Hawkes assistant.
PS. 148. 07 March 2023. 12:10 PM. Facing south southwest, Azimuth 245. Pasture 3. Elevation 998 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness post present, camera above. Mesquite alive. The mesquite tree in the foreground center, appeared first in the 1960 photo. A big limb broke off the large mesquite located at distant mid-right. Scattered Zinnia, snakeweed, and burroweed. Prickly pear and cholla cacti. Most grass plants are Bouteloua aristidoides or Lehmann lovegrass. Some Rothrock grama, bush muhly, Aristida, Lehmann lovegrass, and cottontop in the wash. Cottontop, Aristida, Setaria, and bush muhly under mesquite. Spiny happlopappus present. Snakeweed and blue palo verde on far side of wash. Compared to 2017, more annual grass cover and mass; more Lehmann lovgrass and cottontop cover and mass; return of Setaria that was present in 2011 but missing in 2017; increase in size of burroweed plants, but decrease in number of plants; increase in size and density of cholla plants; barrel cactus is missing; and decrease in size of mesquite located at distant mid-right. M. McClaran photographer, A. Gorlier assistant.
