About us
Define
Definitions for
"Reefs"
Keywords:
coral
,
tubeworms
,
substrata
,
seabed
,
estuary
Skeleton-like ecosystems made up of colonies of limestone-producing, living animals. Coral reefs tell us about water quality and the health of an estuary.
epa.gov
Hard substrata that are raised above the seabed and are formed of rock, or by organisms such as coral or tubeworms
heritagecouncil.ie
Keywords:
rfsu
,
consolidated
,
navigation
,
hazards
,
composed
surface-navigation hazards composed of consolidated material RFSU
164.214.2.53