Glossary of Terms
Tidal range greater than 4 m.
A tropical tree with interlacing prop roots, confined to low-lying brackish areas.
A community of salt-tolerant trees and shrubs, with many other associated organisms, that grows on some tropical and sub-tropical coasts in a zone roughly coinciding with the intertidal zone.
The cultivation of marine organisms.
A specially designed harbour with moorings for pleasure yachts and small boats.
A mark of permanent character close to a survey station, to which it is related by an accurately measured distance and azimuth (or bearing).
An object placed at the site of a station to identify the surveyed location of that station.
A track of soft wet land, usually vegetated by reeds, grasses and occasionally small shrubs.
- Soft, wet area periodically or continuously flooded to a shollow depth, usually characterised by a particular subclass of grasses, cattails and other low plants.
A marsh periodically flooded by salt water.
The average height of the high water over a 19-year period. For shorter periods of observations, corrections are applied to eliminate known variations and reduce the results to the equivalent of a mean 19-year value. All high water heights are included in the average where the type of tide is either semi-diurnal or mixed.