New Mexico State University campus, bridge over the artificial pond (Duck pond), concrete block under the bridge, vertical concrete surface on the border with water.
Clark Mountains Wilderness, MDNP, California. Bioturbated landform unit. Sandy, gravelly soil, disturbed by small burrowing mammals. Crusts with algae. Plants present. Clark Mountains, CA
Clark Mountains Wilderness, MDNP, California. Bioturbated landform unit. Sandy, gravelly soil, disturbed by small burrowing mammals. Crusts with algae. Plants present. Clark Mountains, CA
Atacama Desert, Chile. slope 0°. Very fine sand with crust that was less than 5 mm thick. This site had the best crust seen thus far with lichens and bryophytes present. . near Choros Bajos