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Native bivalve shellfish provide a variety of ecologically and economically valuable services. As “ecosystem engineers” shellfish influence the environment around them in ways that benefit other species – and therefore benefit people and our economy.
Shellfish reefs and beds around the world:
Recognition of the “ecosystem” services provided by other habitats such as coral reefs and mangroves has resulted in greater protection for those habitats and management with multiple human values in mind. Oyster reefs should also be managed in ways that consider the value of these systems to surrounding coastal areas, beyond harvests. Just as important, perhaps, is the need to develop opportunities to support, pay or trade for these services from shellfish reefs.
Given the public and private funds being invested in reducing nitrogen pollution from land-based sources, more natural solutions, such as nutrient trading, could receive significant new funds. In Europe costs to build a sewage treatment were deferred by the supporting the growth of mussels to filter those waters.
In many places, walls and jetties are built to defend coastlines from erosion; in many places revitalized reefs could provide this protection and offer many additional services as well.
Nature springs to life in Nature Conservancy magazine. Read
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