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National Committee on Marine Sciences (NCMS)

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    Seaweed as a resilient food solution after a nuclear war
    Jehn, Florian Ulrich; Dingal, Farrah Jasmine; Mill, Aron; Harrison, Cheryl; Ilin, Ekaterina; Roleda, Michael Y.; James, Scott C.; Denkenberger, David (American Geophysical Union, 2024-01-09)
    Abrupt sunlight reduction scenarios such as a nuclear winter caused by the burning of cities in a nuclear war, an asteroid/comet impact or an eruption of a large volcano inject large amounts of particles in the atmosphere, which limit sunlight. This could decimate agriculture as it is practiced today. We therefore need resilient food sources for such an event. One promising candidate is seaweed, as it can grow quickly in a wide range of environmental conditions. To explore the feasibility of seaweed after nuclear war, we simulate the growth of seaweed on a global scale using an empirical model based on Gracilaria tikvahiae forced by nuclear winter climate simulations. We assess how quickly global seaweed production could be scaled to provide a significant fraction of global food demand. We find seaweed can be grown in tropical oceans, even after nuclear war. The simulated growth is high enough to allow a scale up to an equivalent of 45% of the global human food demand (spread among food, animal feed, and biofuels) in around 9–14 months, while only using a small fraction of the global ocean area. The main limiting factor being the speed at which new seaweed farms can be built. The results also show that the growth of seaweed increases with the severity of the nuclear war, as more nutrients become available due to increased vertical mixing. This means that seaweed has the potential to be a viable resilient food source for abrupt sunlight reduction scenarios.
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    SMPC distributes seaweed propagules to Caluya farmers
    (Panay News, Inc., 2023-10-02)
    Integrated energy company Semirara Mining and Power Corporation (SMPC), in its continued effort to expand its livelihood programs outside of its host island, has partnered with Department of Energy (DOE), local government of Caluya, and Bureau of Fisheries and Aquatic Resources (BFAR), in distributing 16,000 kilos of seaweed propagules to seaweed farmers of barangays Sibato and Sibolo in the municipality of Caluya, Antique. With a total project cost of about P450,000, each of the 80 farmers from the two barangays received 100 kilos of seaweed propagules.
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    Zamboanga stakes claim as RP’s top seaweed producer
    (Philippine Star Printing Co., Inc., 2008-03-23)
    In the face of declining seaweed harvests in the country’s traditional major seaweed production centers, the regional office of the Bureau of Fisheries and Aquatic Resources (BFAR) in Region IX has taken bold steps to intensify seaweed culture in the whole Zamboanga Peninsula. “The objectives,” says BFAR Region IX director Virgilio Alforque, “are to help stabilize seaweed supply in the country, enable seaweed processors to operate at higher capacity and, most importantly, make it possible for Zamboanga’s seaweed farmers to take advantage of prevailing high prices.” Fortunately, a new research by SEAFDEC researchers Anicia Hurtado and Renato Agbayani has shown that deep water (more than 10 meters deep) farming of the seaweeds Kappaphycus is possible and very profitable just like the other methods in shallower waters. This method in deeper waters is commonly called alul.