Coral Reef Zones Coral Zones - PowerPoint PPT Presentation

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Coral Reef Zones Coral Zones

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Coral Reef Zones - Coral Zones. 1. Head Corals -Depths of 5 ... Coral Reef Zones - Coral Zones. 3. Mixed Zone -area on the forereef of most diverse coral growth ... – PowerPoint PPT presentation

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Title: Coral Reef Zones Coral Zones


1
Coral Reef Zones - Coral Zones
2
Coral Reef Zones - Coral Zones 1. Head Corals
3
Coral Reef Zones - Coral Zones 1. Head Corals
-Depths of 5-10 m Montastrea annularis,
Montastrea cavernosa, Porites astreoides,
Colpophyllia natans and species of Diploria.
These corals are massive and usually
boulder-like and resistant to storm disturbance
4
Coral Reef Zones - Coral Zones 2. Acropora
palmata Zone
5
Coral Reef Zones - Coral Zones 2. Acropora
palmata Zone
-high to moderate energy reefs -weaker than head
corals but orients branches to minimize shear
forces -faster grower -needs waves to wash
sediment off
6
Coral Reef Zones - Coral Zones 3. Mixed Zone
7
Coral Reef Zones - Coral Zones 3. Mixed Zone
8
Coral Reef Zones - Coral Zones 3. Mixed Zone
-area on the forereef of most diverse coral
growth -lower wave energy but still good light
9
Coral Reef Zones - Coral Zones 4. Sand Areas
10
Coral Reef Zones - Coral Zones 4. Sand Areas
11
Coral Reef Zones - Coral Zones 5. Plate Zone
12
Coral Reef Zones - Coral Zones 5. Plate Zone
-favours growth of plate-like forms of a species
or plate-like species to capture most
light -corals are more fragile
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