If the giant sequoia is dying out, why are there tens of thousands of seedlings and saplings?

Thousands of giant sequoia seedlings sprouted after a fire swept a grove in the Sierra in 2021. Will they replace the behemoths that died or become extinct?
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Even in its stillness, a fallen giant tree still gives

Every forest has that tree that has seen it all: The sunrises, the sunsets, the storms, the floods, the driest of times and the good cool moments. Such a tree at home keeps some family secrets, as ...