Coral Reefs
- Created by: James Disney
- Created on: 01-05-17 17:30
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- Coral reefs
- Main ecological features
- Coral nutrition - coral polyps feed in 3 ways.
- Sticky hair-like cilia trap planktonic organisms
- Stinging cells stab and kill planktonic organisms
- Most food energy comes from symbiotic algae - provides over 90% food energy for shallow water corals
- Abiotic conditions required
- Low turbidity
- Bright sunlight
- Constant salinity
- Warm, stable temps (25-29°C)
- Hard substrate for polyp attachment.
- Coral nutrition - coral polyps feed in 3 ways.
- Threats
- Climate change
- Pollution
- Sediments
- Fishing
- Souvenirs and ornaments
- Disease and predation
- Physical damage
- Importance to humans
- Protection from erosion
- Tourism
- Climate control
- Medicinal discoveries
- Fisheries
- Conservation efforts
- Range of management practises
- No-Take Zones
- Sustainable development of ecotourism and fishing
- Educating and training tourists
- Control of land activities
- Fixed mooring buoys over anchors
- Control of coastal development. Safe disposal of waste
- Untitled
- Range of management practises
- Main ecological features
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