CW1

Cebolla wilderness, New Mexico, USA.  34° 51' 13.7" N latitude, 107° 54' 45.6" W longitude; elevation 7085 feet.  The "Narrows" part of Cebulla Wilderness on Highway 117 across from El Mapais lava flows.  Very sandy soil derived from sandstone bluffs.  Date of sampling:  29 July 2000.

Vascular plants:  Scrub oak, Utah juniper, blue gramma, shrub #1, Artemisia frigida?, pinyon pine, ponderosa pine, shrub #2, rabbit brush. 

Mean algal crust thickness:  5.8 mm

Cover summary:

Type Cover              % Cover
Shrubs                          0.8
Annuals                       0.0
Perennial                     9.1
Bogr (??)                     10.0
Algal crust                 70.4
Bryophytes                  1.3  
Lichens                         1.3
Bare Soil                       1.3
Rock                              0.0
Gravel                           0.0
Litter                              8.3
Cactus                            0.0

Chlorophyll a (ng/g):  3437.93
N fixation rate (mmol/n2/m2/hr): 
Soil texture class: