lagoons are shallow bodies of water cut off from other oceans
Pandanus is a genus of monocots with some 750 accepted species. They are palm-like, dioecious trees and shrubs native to the Old World tropics
Vulnerability refers to the inability to withstand the effects of a hostile environment. A window of vulnerability is a time frame within which defensive measures are diminished, compromised or lacking.
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony
a barbed missile resembling a spear that is attached to a long rope and thrown by hand or fired from a gun, used for catching whales and other large sea creatures.
a journey or voyage undertaken by a group of people with a particular purpose, especially that of exploration, scientific research, or war.