Yale University Press, New Haven, CT, U.S.A.Reindeer moss - also known as ‘Caribou Moss’ and ‘Reindeer Lichen’ - is actually a lichen formed through a symbiotic relationship between a fungus and algae. University of Toronto Press, Toronto, Canada. The lichen genus Cladonia in North America.
(2017) Simulated global warming increases usnic acid but reduces perlatolic acid in the mat-forming terricolous lichen Cladonia stellaris. ^ Asplund, J., Siegenthaler, A., Gauslaa, Y."The effect of reindeer grazing on decomposition, mineralization and soil biota in a dry oligotrophic Scots pine forest". Ohtonen, Rauni Helle, Timo Yeates, Gregor W. Seasonal movements, habitat use, and winter feeding ecology of woodland caribou in west-central British Columbia. "The late winter diets of barren-ground caribou in North-Central Canada". "Effect of reindeer trampling and grazing on lichens". ^ "Standardized Common Names for Wild Species in Canada".This species differs from the similar Cladonia rangiferina and Cladonia arbuscula in that it forms much more distinct cushion-shaped patches, and appears to have denser branching when viewed from above. Like most other lichens, Cladonia stellaris grows slowly, averaging less than 0.5 cm per year under good conditions. Ĭladonia stellaris is described as mat-forming and fruticose (shrub-like) in appearance, and as terrestrial, terricolous, or epigeic, because it grows on the surface of bare soil or gravel.
The fungal portion of Cladonia stellaris, known as a mycobiont, protects the lichen from lichenivores, superfluous solar radiation, and other kinds of stressors in their ecosystem. It is also used as a sound absorber in interior design. Like many other lichens, Cladonia stellaris is used by humans directly for its chemical properties, as many of the secondary metabolites are antimicrobial (e.g., Usnic acid), but it also has the unique distinction of being harvested and sold as 'fake trees' for model train displays. The species is a preferred food source of reindeer and caribou during the winter months, and it has an important role in regulating nutrient cycling and soil microbiological communities. Cladonia stellaris or the star-tipped cup lichen is an ecologically important species of cup lichen that forms continuous mats over large areas of the ground in boreal and arctic regions around the circumpolar north.
0 kommentar(er)
