Microbiotic crusts are biological soil crusts composed of lichens, cyanobacteria, algae,
mosses, and fungi. The biodiversity of these crusts is poorly understood; several …

Community ecology has experienced a major transition, from a focus on patterns in
taxonomic composition, to revealing the processes underlying community assembly through …

A committee of the Mars Exploration Program Analysis Group (MEPAG) has reviewed and
updated the description of Special Regions on Mars as places where terrestrial organisms …

A review of algal (including cyanobacterial) symbionts associated with lichen-forming fungi
is presented. General aspects of their biology relevant to lichen symbioses are summarized …

"… a number of chapters provide excellent summaries of the modern methods available for
studying fungal ecology, along with those more traditional methods that are still extremely …

Predictions about the impacts of climate change on tropical forests require information on
the relative vulnerabilities and roles of the biological components of these unusually …

This review is a first attempt to combine and compare spatial distribution of the three main
water sources, rain, dew and humid air, with water-related traits of mainly epiphytic …

Limited productivity of vascular plant communities in semiarid and arid regions generally
results in low soil organic carbon content. In these situations, crust biota can be the most …

Climate change is expected to cause several impacts at the global scale, and drylands will
be amongst the most affected areas. Thus, investigating how these changes will affect the …

1. The gelatinous cyanobacterial Collema tenax is a dominant lichen of biotic soil crusts in
the western United States. In laboratory experiments, we studied CO2 exchange of this …