Posted by: Sandy Steinman | July 7, 2021

Lichens Slow to Return After Wildfire

from UC Davis

Lichen communities may take decades — and in some cases up to a century — to fully return to chaparral ecosystems after wildfire, finds a study from the University of California, Davis, and Stanford University.

The study, published today in the journal Diversity and Distributions, is the most comprehensive to date of long-term lichen recolonization after fire.

Unlike conifer forests, chaparral systems in California are historically adapted to high-intensity fires — they burn hot, fast and tend to regenerate quickly. However, with more frequent fires predicted under a drier, warming climate and more ignitions occurring amid a growing human population in these areas, the study indicates that lichen communities may not receive the window of opportunity they need to return to chaparral shrublands after wildfire.

Read more at  Lichens Slow to Return After Wildfire | UC Davis

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