| OCR Text |
Show 29 precipitation is important because lichens need ture to grow. They will in the most of the year. cover cirques may be Mountains. Cloud may have or the Front these reasons, lichen thalli thalli the Front the western Although Range, Table 4 shows that precipitation the summer greater than 14 less than 14 will mm mm be was per century, the of ..B_. geographicum for the rates study must a growth area, age has curve points for a lichen measurement of lichen measurements To use used in the study s. 1. based on as was a Lichen area. period of rapid in the Front uses for Range. specifically these estimated Growth rates over and a through growth in the Wasatch a program of direct multi-year period using field and/or photography. lichenometry, as well as the relative age niques described later, the cirque deposits aerial in to be For obtaining radiocarbon-dated control curve growth mm/century for not been constructed assignments growth rate of 4.1 the rate that Benedict be viewed with caution. Mountains should be checked by slope of the Sierra Nevada presumed mm Because in the Wasatch precipitation is relatively low. growth of about 14 "great period" cloud than either the Wasatch Mountains approximate growth an than Range summer may retard lichen dessication that would cover annual more light and mois not grow under the snow that covers them slightly higher in inhibit growth. both were dating first examined tech on photographs and separated into distinct geomorphic units, such moraines, rock glaciers, and protalus ramparts. visited in the field Rhizocarpon geographicum was s. Each unit that examined carefully for the largest 1. and the largest Lecidea atrobrunnea. |
