23 Aug '11, 1am

Sustainable shellfish aquaculture - eco-business.com

Sustainable shellfish aquaculture - eco-business.com

The delicious oyster may be key to sustainable aquaculture and clean coastlines. Image: KZO Sea Farms Unlike all other forms of marine aquaculture , commercially grown bivalve shellfish have been identified as the only sustainable form of aquaculture that has no negative impact on the environment. As the demand for seafood continues to surpass supplies of wild-caught fish and shellfish, marine aquaculture is becoming recognized as the only serious solution for feeding a future global population of 9 billion. However, critics contend conventional aquaculture has numerous challenges from caging fish in farms that generate waste from feces and unconsumed commercial feed. These wastes can carry disease and the phosphate and nitrates in the mix can cause Harmful Algal Blooms (HABs) that suck oxygen from the water, leaving it uninhabitable. Conventional near-shore cages have bec...

Full article: http://www.eco-business.com/opinion/sustainable-shellfish...

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