Monday, August 27, 2018

Seaweeds: The world’s largest mariculture crop

by Thierry Chopin, Seaweed and Integrated Multi-Trophic Aquaculture Research Laboratory, University of New Brunswick, Saint John, New Brunswick, Canada

With an annual world production of 30.1 million tonnes, worth US$11.7 billion, seaweeds have represented the largest group of marine and coastal aquaculture (mariculture) organisms since 2004, reaching 51.2 percent in 2016 (see Table 1), according to the FAO’s 2018 State of the World Fisheries and Aquaculture, which uses data collected up to 2016.
 


Molluscs, which were the largest group of organisms until 2000, when they represented 46.2 percent of the world mariculture production, is now the second group, having decreased to 28.7 percent.

Finfish, which are so much the focus in the western world, represent only around 11 percent worldwide since 2012 (11.2% in 2016).

So, aquaculture is not synonymous with fish aquaculture, or salmon aquaculture, everywhere; there are other models in the world and we should learn from them.

Crustacean production increased to 12 percent in 2014, but reduced to 8.2 percent in 2016, similar to the 2012 production. Other aquatic animals (turtles, sea cucumbers, sea urchins, frogs, alligators, crocodiles, jellyfish, etc.) remain a very small fraction of the overall world production (0.7% in 2016).


Read the full article, HERE.

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