Some lichens, particularly those with cyanobacterial partners, are diazotrophs, meaning they can fix atmospheric nitrogen into a form usable by plants. They can endure long periods of complete desiccation, reviving within hours of receiving moisture, a trait critical for survival in arid rock faces or exposed soil.
How Lichens Create Microhabitats for Other Species
Their hyphal threads can penetrate minute cracks in rock, and through biological and physical weathering, they help break down the substrate into finer particles. This gradual process transforms a sterile rock face or compacted clay into a thin, nutrient-rich mat capable of retaining moisture and supporting the germination of mosses, ferns, and eventually, vascular plants.
Reproductive Strategies for Colonization Effective pioneer species must be able to disperse and colonize new areas efficiently. Biological Partnerships for Resource Acquisition The fungal component of a lichen provides a structural framework and a protective cortex, shielding the photosynthetic partner from desiccation and mechanical damage.
How Lichens Create Microhabitats for Other Species
Indicators of Environmental Recovery and Stability. This partnership is a masterclass in resource efficiency.
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