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    Author(s): Steven D. Warren
    Date: 2020
    Source: In: Dumroese, R. K.; Moser, W. K., eds. Northeastern California plateaus bioregion science synthesis. Gen. Tech. Rep. RMRS-GTR-409. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 77-84.
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (299.0 KB)

    Description

    Biological soil crusts (BSCs) develop when various combinations of a vast array of bacteria, cyanobacteria, fungi, lichens, terrestrial algae, and mosses occupy the surface and upper few millimeters of the soil (Warren et al. 2019b). Historically, BSCs have been referred to as cryptobiotic, cryptogamic, microbiotic, microfloral, microphytic, and organogenic crusts. They can be present in a wide range of ecological, successional, and climatic conditions when and where disturbance and/ or aridity have resulted in opportunities for colonization of exposed bare soil surfaces. BSCs are most prevalent, however, in arid and semiarid ecosystems, such as those of Northeastern California, where vascular plant cover and diversity are perennially low, leaving large areas available for colonization by some combination of the organismal groups mentioned above.

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    Citation

    Warren, Steven D. 2020. Biological soil crusts [Chapter 3.4]. In: Dumroese, R. K.; Moser, W. K., eds. Northeastern California plateaus bioregion science synthesis. Gen. Tech. Rep. RMRS-GTR-409. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 77-84.

    Keywords

    Lassen National Forest, Modoc National Forest, Northeastern California, forest planning, community engagement, socioeconomic resilience, ponderosa pine, western juniper, sagebrush rangeland, wildfire, wildlife, ecosystem restoration, climate change, disturbances

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