How exactly do trees grow on coral?

Alofi, Niue

…cont from previous post

The absolute best place we went to was Togo Chasm.  On the opposite side of the island from Alofi, the chasm is reached by hiking through a forest.  Which as we mentioned before is not a normal sight on an island made of coral.

 

In fact, no one is really sure how these trees arrived.  Unlike Rarotonga which had a thriving forest, Niue no longer has volcanic soil.  It’s just coral with a thin layer of sand and organic debris.  Not much for a tree to thrive in, but somehow these do.  The trees are related to mahogany, but we never did figure it out (hey, we’re sailors not botanists!).

 

Continue reading “How exactly do trees grow on coral?”