Atop the highest peaks, above the tree line, there is a total of 87 acres (352,000 m²) of extraordinarily fragile alpine ecosystem; the amount of this ecosystem is constantly changing due to variation in the climate from year to year.
There is a total of 87 acres (352,000 m²) of extraordinarily fragile alpine ecosystem. This is above the tree line. This is atop the highest peaks. The amount of this ecosystem is constantly changing due to variation in the climate from year to year. This is atop the highest peaks.