Question

In three to five sentences, construct an argument that shows why lichens are necessary to establish a new ecosystem after an extreme disturbance.
I would really appreciate it if someone o two people would help me out on this one

Answer 1

Answer:  Lichens affect every species in the ecosystem, in 2013 Russia had a dramatic lichen die off which caused 61,000, 20% of the entire reindeer population to die from starvation. And with fewer deers, the bears and wolves also suffered from the loss of lichens and if it takes a long time for lichens to grow back in an ecosystem, animal declines may take years if ever to be corrected.  Lichens serve as a basis for several food chains, especially in artic communities.

Answer 2

Answer:

bcz lichens grow only there have no pollution and new ecosystem have no pollution in this way lichen are necessary after disturbances bcz after pollution have created by human