These fires, set by lightning, were an important part of the forest ecosystem because they cleared out underbrush, making more room for large trees to grow and renewing the ecology.
These fires, set by lightning, were an important part of the forest ecosystem because they cleared out underbrush, making more room for large trees to grow and renewing the ecology.
这些大火因闪电而起，对森林的生态环境影响很大，因为大火烧掉了灌木丛后给大树更多生长空间，而令生态生生不息。