Biology Reference
In-Depth Information
(A)
(B)
(C)
Figure 1:
Biocrusts of Northern Arizona. Cyanobacteria dominated crusts that are quite sensitive to human
interference (A); Lichen dominated biocrusts at a rest stop on the way to Phoenix, on a limestone type of soil
(B); Moss dominated soil crusts (C). With the kind permission of T. R. Northen, Lawrence Berkeley National Laboratory 1, Life
Sciences Division, 1 Cyclotron Road, Berkeley, CA 94720, USA; http://biocrust.posterous.com/.
Color image of this figure appears in the color plate section at the end of the topic.
