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Glossary of Terms

The zone extending downward from the ocean surface within which the light is sufficient to sustain photosynthesis. The depth of this layer varies with water clarity, time of year and cloud clover, but is about 100m in the open ocean.

It may be considered the depth to which all light is filtered out except for about one percent and may be calculated as about two and a half-times the depth of a secchi disk reading.

Coral Bleaching

A phenomenon in which corals under stress (e.g., by elevated water temperature) expel their symbiotic algae (zooxanthellae) in large numbers, or the concentration of algal photosynthetic pigments decreases. As a result, the corals' white skeletons show through their tissue and they appear bleached.

Institutional Integration

(As related to integrated coastal management) - The process of bringing together separate functions of government at different levels together with other stakeholders to provide a unified approach to interventions in the managed area.

Reference Station

A place for which tidal constants have previously been determined and which is used as a standard for the comparison observations at a second station.

A station for which independent daily predictions are given in the tide or current tables from which corresponding predictions are obtained for other stations by means of differences or factors.

Downstream

Along coasts with obliquely approaching waves there is a longshore (wave-driven) current.

Fauna

The entire group of animals found in an area.

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