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How are estuaries used for aquaculture?
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estuary
Four main types of estuaries: (A) salt wedge estuary, (B) partially mixed estuary, (C) vertically homogeneous estuary, and (D) fjord (black arrows indicate salt water and white arrows fresh).
Estuaries are highly productive environments that serve as significant sites for aquaculture, the practice of propagating and rearing aquatic organisms for commercial or other purposes. Their unique water circulation, which traps nutrients, creates an ideal setting for the growth of various species.1234
Methods of aquaculture in estuarine environments include:
- Shellfish Culture: There is a long-standing history of cultivating shellfish, such as mussels and oysters, in these coastal waters.14
- Finfish Farming: Estuarine systems, such as Norwegian fjords, are frequently utilized for the culture of salmon.1
- Artificial Pond Systems: In regions like Southeast Asia, artificial ponds are constructed within mangrove forests specifically to culture shrimp.1
These operations leverage the natural abundance of estuaries, which provide essential nursery grounds and protection for juvenile organisms, helping to supplement the natural supply of marine resources.42