Photo Point 121

Description: 
San Pedro River Dissected Terraces - 13 miles north of Benson, off Ocotillo Road, 1 mile west of San Pedro River
Photo: 
Photo date: 
September 25, 2007
Photo credit: 
Jim Malusa
View looking: 
N
UTM Coordinate
Zone: 
12
E: 
563938
N: 
3554466
Height
Elevation: 
1085 m
In feet: 
3558 ft

Vegetation:

Life form: shrub
Species Relative abundance Cover Mean height in meters and notes
Acacia constricta co-dominant 10-14%

3

Acacia greggii common 1-4%
Isocoma tenuisecta common 1-4%
Aloysia wrightii uncommon <1%

at other locations within LTA, can be co-dominant with creosote

Yucca elata uncommon <1%
Larrea tridentata uncommon <1%

at other locations within LTA, can be co-dominant with Aloysia

Life form: tree
Species Relative abundance Cover Mean height in meters and notes
Prosopis velutina co-dominant 10-14%

3.5

Parkinsonia floridum uncommon <1%

several dozen along a ridge to north

Life form: cactus
Species Relative abundance Cover Mean height in meters and notes
Ferocactus wislizeni common 1-4%
Opuntia engelmannii common 1-4%
Carnegiea gigantea uncommon <1%
Life form: grass
Species Relative abundance Cover Mean height in meters and notes
Muhlenbergia porteri common 1-4%
Pleuraphis mutica common 1-4%