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Evaluation of nutrient bioextraction by seaweed and shellfish aquaculture in Korea

Journal Article · · Journal of the World Aquaculture Society
DOI:https://doi.org/10.1111/jwas.12786· OSTI ID:1812094
 [1];  [2];  [3];  [4];  [5];  [1]
  1. Department of Marine Science Incheon National University Incheon South Korea, Research Institute of Basic Sciences Incheon National University Incheon South Korea
  2. Department of Marine Science Incheon National University Incheon South Korea
  3. Jiangsu Key Laboratory of Marine Bioresources and Environment Jiangsu Ocean University Lianyungang China
  4. Department of Ecology and Evolutionary Biology University of Connecticut Stamford Connecticut USA
  5. Fisheries Seed and Breeding Research Institute National Institute of Fisheries Science Jeonnam Korea
Abstract

Although Korea is third in seaweed production and second in shellfish production globally, this is the first study evaluating ecosystem services of seaweed and shellfish aquaculture in Korea. The objective of this study is to evaluate nutrient bioextraction capacities of major seaweed and shellfish species aquacultured in Korea. C (C) removal of three major aquacultured seaweed species, Neopyropia yezoensis , Saccharina japonica , and Undaria pinnatifida were 24,247, 8,423, and 12,758 tons, respectively, in 2016. N (N) removal of these species was 4,088, 732, and 1,244 tons, respectively. The C and N removal of the Pacific oysters ( Crassostrea gigas ) were 14,693 and 1,050 tons, respectively. Manila clams ( Venerupis philippinarum ) removed 2,120 tons of C and 136.5 tons of N. Together, 161,846 tons of CO 2 and 7,251 tons of N were removed by three major seaweed species and two shellfish species. These values are significant amounts, equivalent to 5.7% of CO 2 and 8.6% of N discharged from all wastewater treatment plants in Korea. These results suggest that nutrient bioextraction by aquacultured seaweed and shellfish can be a cost efficient, affordable, and equitable solution for coastal nutrient management programs in Korea and elsewhere.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AR0000915
OSTI ID:
1812094
Alternate ID(s):
OSTI ID: 1826197
Journal Information:
Journal of the World Aquaculture Society, Journal Name: Journal of the World Aquaculture Society Journal Issue: 5 Vol. 52; ISSN 0893-8849
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United States
Language:
English

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