Adaptation of Forest Lichen and Moss Systems to Invasive Species and Disturbances

Dear Colleagues,

The adaptation of forest lichen and moss systems to invasive species and disturbances involves a complex interplay of ecological dynamics, resilience, and evolutionary adjustments. Lichens and mosses, which are key components of forest ecosystems, often serve as indicators of environmental health due to their sensitivity to changes in their habitats. The main factors influencing such ecological dynamics are as follows:
Competition: Invasive species often compete with native lichens and mosses for resources such as light, space, and nutrients. This can lead to reduced growth and survival rates of native species.

Altered Habitats: Invasive species can modify habitats by changing the microclimate, soil chemistry, or physical structure of the environment. For instance, invasive plant species may alter the light availability or soil nutrients, negatively impacting lichen and moss communities.

Disturbances: Events such as wildfires, storms, or human activities disrupt ecosystems, affecting lichen and moss populations. These disturbances can be beneficial for some species by creating new colonization opportunities but detrimental for others by destroying established communities.

Possibilities of Resilience and Recovery: Some bryophyte and lichen species exhibit remarkable resilience to disturbances and invasive species by employing survival strategies like dormancy or rapid reproduction. Resilient species tend to recover quickly and can reestablish themselves, maintaining their role in the ecosystem.

After a disturbance, forest ecosystems often undergo a process of secondary succession, where lichens and mosses are typically among the first organisms to colonize the new or altered environment. Their presence helps stabilize the soil and provides habitats for other species. The adaptation of forest lichen and bryophyte ecosystems to invasive species and disturbances reflects their inherent resilience and the dynamic nature of ecological systems. Effective management and conservation strategies form the basis of the conservation of these valuable communities.

Potential topics include but are not limited to the following:

• Stress effects on lichens and mosses;
• Adaptation and resilience of lichen and moss systems;
• Monitoring;
• Management implications.

Dr. Josef P. Halda
Guest Editor

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• bryophytes
• lichens
• native habitats
• ecological dynamics
• invasive species