Home > Term: hard bottom
hard bottom
A substrate formed by the deposition of calcium carbonate by reef building corals and other organisms or existing as bedrock or volcanic rock usually of minimal relief.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Natural environment
- Category: Coral reefs
- Organization: NOAA
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- Grpu76
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