An Introduction to Biological Soil Crusts
http://www.soilcrust.org/crust101.htm

USGS Canyonlands Research Station, USGS


Biological soil crusts are the feature of this USGS Canyonlands Research Station website. The site provides an introduction to biological soil crusts with linked images, divided into the following topics: nomenclature of the crusts- crytogamic, microbiotic, crytobiotic, and microphytic crusts, structure and formation, species composition, ecological functions, response to disturbance, future, and a glossary. In addition, the site provides links to other Canyonlands Research Station webages including an advanced page with a downloadable 90-page report on soil crusts, a gallery of biological soil crust images and figures, references, the Canyon Country Ecosystems Research Site (CCERS), and other related links.


Subject: Biology:Ecology:Symbiotic Relations, Biofilms, Metabolism, Biology:Microbiology
Resource Type: Pedagogic Resources:Overview/Summary
Grade Level: Informal, Graduate/Professional, General Public, College Upper (15-16), College Lower (13-14), High School (9-12)
Extreme Environments: Anhydrous