UNH researcher investigates methods to mitigate nitrogen effluence in shrimp aquaculture using integrated multi-trophic aquaculture
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"Scientists with UNH’s College of Life Sciences and Agriculture (COLSA) and the School of Marine Science and Ocean Engineering are studying how integrated multi-trophic aquaculture (IMTA) – systems in which two or more organisms are farmed together – could make shrimp farming more sustainable, as well as potentially support the growth of this industry in the U.S.
Driven largely by demand in developed countries, shrimp farming has grown rapidly in subtropical and tropical parts of Asia and the Americas. However, shrimp farming also has significant environmental impacts, including increased ammonium levels that cause algal blooms and oxygen-depleted dead zones.
'Much of the shrimp we consume comes from overseas, where they don’t need to follow the same environmental regulations as we do here in the U.S.,” explains Elizabeth (Lizzy) Martin, a graduate student in the marine biology program at COLSA. “And shrimp is also one of the highest valued seafood imports for the U.S., so developing a local industry would help reduce reliance on these overseas markets.' " Read more
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