islands
preferred label: جزایر @fa
type: Concept
related: reefs

reefs
alternative label: ARRECIFES CORALINOS
scope note: ARRECIFES CORALINOS
related: islands
related: sandbanks
broader: submarine topography
preferred label: آب‌سنگ‌ها @fa
type: Concept

sandbanks
preferred label: کرانماسه‌ها @fa
type: Concept
related: reefs

submarine topography
preferred label: توپوگرافی زیر دریا @fa
type: Concept
narrower: reefs