Aquatic foods to nourish nations

Golden, Christopher D.; Koehn, J. Zachary; Shepon, Alon; Passarelli, Simone; Free, Christopher M.; Viana, Daniel F.; Matthey, Holger; Eurich, Jacob G.; Gephart, Jessica A.; Fluet‐Chouinard, Etienne; Nyboer, Elizabeth A.; Lynch, Abigail J.; Kjellevold, Marian; Bromage, Sabri; Charlebois, Pierre; Barangé, Manuel; Vannuccini, Stefania; Cao, Ling; Kleisner, Kristin M.; Rimm, Eric B.; Danaei, Goodarz; DeSisto, Camille; Kelahan, Heather; Fiorella, Kathryn J.; Little, David C.; Allison, Edward H.; Fanzo, Jessica; Thilsted, Shakuntala H.

doi:10.1038/s41586-021-03917-1

Cited by 310 publications

(259 citation statements)

References 38 publications

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“…7) was significantly lower for households where fish was consumed across all income classes in 2010-11 59 . In addition, butter, ghee, and eggs have been shown to be substitutes for fish in Indian diets 60 .…”

Section: Demersal Fishmentioning

confidence: 99%

“…Chilean consumers have not yet demonstrated a strong preference for farmed salmon despite large-scale domestic production 70 . National health and environmental consequences of shifting diets from fish to terrestrial meats 60 , in addition to the environmental implications of expanding intensive salmon aquaculture to meet rising international demand 71 , illustrate the influence of global markets on nutrition and sustainability outcomes in countries like Chile that are significantly engaged in blue food trade.…”

Section: Demersal Fishmentioning

confidence: 99%

“…8 rely on a partial structural model of demand, they suggest a significant rise in fish consumption from current levels. As blue food consumption increases in several of these 10 countries (i.e., China, India, Nigeria, USA, Peru, Mexico, Brazil), per capita consumption of meat, dairy, and eggs will likely decrease, leading to greater dietary intake of DHA + EPA fatty acids, iron, calcium, and vitamin B-12, but reduced vitamin A intake if aquatic foods are substituted for other meat and dairy products 60 . If preferences were also to shift toward aquatic foods and away from ultraprocessed foods at higher levels of income for health reasons, consumers would likely experience reduced rates of diet-related non-communicable disease (e.g., cardiovascular disease, diabetes, stroke) 60 provided that they have access to affordable fish supplies.…”

Section: Demersal Fishmentioning

confidence: 99%

“…For most countries in Fig. 8, rising fish consumption will enrich diets in terms of micronutrients, including iron, calcium, vitamin B12, and zinc, and seafood omega-3 fatty acids 60 . Dietary transitions will also influence environmental outcomes at local to global scales.…”

Section: Demersal Fishmentioning

confidence: 99%

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Blue food demand across geographic and temporal scales

Kishore²,

et al. 2021

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Numerous studies have focused on the need to expand production of ‘blue foods’, defined as aquatic foods captured or cultivated in marine and freshwater systems, to meet rising population- and income-driven demand. Here we analyze the roles of economic, demographic, and geographic factors and preferences in shaping blue food demand, using secondary data from FAO and The World Bank, parameters from published models, and case studies at national to sub-national scales. Our results show a weak cross-sectional relationship between per capita income and consumption globally when using an aggregate fish metric. Disaggregation by fish species group reveals distinct geographic patterns; for example, high consumption of freshwater fish in China and pelagic fish in Ghana and Peru where these fish are widely available, affordable, and traditionally eaten. We project a near doubling of global fish demand by mid-century assuming continued growth in aquaculture production and constant real prices for fish. Our study concludes that nutritional and environmental consequences of rising demand will depend on substitution among fish groups and other animal source foods in national diets.

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Section: Demersal Fishmentioning

confidence: 99%

Section: Demersal Fishmentioning

confidence: 99%

Section: Demersal Fishmentioning

confidence: 99%

Section: Demersal Fishmentioning

confidence: 99%

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Blue food demand across geographic and temporal scales

Kishore²,

et al. 2021

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“…Similarly, initiatives that support fisheries management approaches and the natural resources on which fisheries depend will be crucial for the sustainable provision of fish and seafood from wild sources. Such initiatives will be crucial in supporting the nutritional benefits of aquatic foods including the provision of high-quality animal protein, bioavailable micronutrients and essential fatty acids that reduce the risk of NCDs such as cardiovascular disease [43,44].…”

Section: Discussionmentioning

confidence: 99%

A Typology of Food Environments in the Pacific Region and Their Relationship to Diet Quality in Solomon Islands

Bogard

Andrew

Farrell

et al. 2021

Foods

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Extensive literature describes the importance of food environments (FEs) as a driver of food choices and nutrition outcomes; yet existing FE frameworks do not adequately capture the diversity of FEs relevant to the Pacific Region. This limits identification of opportunities in food systems to reduce the multiple burden of malnutrition. We present a conceptual typology of FEs including six primary FEs relevant in the Pacific; wild; cultivated; kin and community; informal retail; formal retail; and food aid and services. We then apply this typology to food acquisition data from Solomon Islands 2012/13 Household Income and Expenditure Survey and analyse the relationship between FEs and diet quality. The cultivated FE accounts for 60% of the quantity of food acquired nationally, followed by wild (15%), kin and community (9%), and formal and informal retail FEs (8% each), with wide variation between urban and rural households, provinces and wealth groups. Reliance on different FEs is a significant predictor of diet quality and affirms the importance of subsistence fisheries and agriculture, and community and kinship networks. Integration of a FE typology such as the one presented here in commonly conducted household expenditure surveys offers significant opportunity to advance our understanding of food system leverage points to improve nutrition and health.

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Space‐Efficient 3D Microalgae Farming with Optimized Resource Utilization for Regenerative Food

Liu,

Yu,

Liu

et al. 2024

Advanced Materials

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Photosynthetic microalgae produce valuable metabolites and are a source of sustainable food that supports life without compromising arable land. However, the light self‐shading, excessive water supply, and insufficient space utilization in microalgae farming have limited its potential in the inland areas most in need of regenerative food solutions. Herein, we develop a 3D polysaccharide‐based hydrogel scaffold for vertically farming microalgae without needing liquid media. This liquid‐free strategy is compatible with diverse microalgal species and enables the design of living microalgal frameworks with customizable architectures that enhance light and water utilization. This approach significantly increases microalgae yield per unit water consumption, with an 8.8‐fold increase compared to traditional methods. Furthermore, the dehydrated hydrogels demonstrate a reduced size and weight (∼70% reduction), but readily recover their vitality upon rehydration. Importantly, valuable natural products can be produced in our system including proteins, carbohydrates, lipids, and carotenoids. This study streamlines microalgae regenerative farming for low‐carbon biomanufacturing by minimizing light self‐shading, relieving water supply, and reducing physical footprints, and democratizing access to efficient aquatic food production.This article is protected by copyright. All rights reserved

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Aquatic foods to nourish nations

Abstract: Nutrition from aquatic food diversityHere we reframe the role of aquatic foods in global food systems as a highly diverse food group, which can supply critical nutrients [1][2][3]13

Cited by 310 publications

References 38 publications

Blue food demand across geographic and temporal scales

Blue food demand across geographic and temporal scales

A Typology of Food Environments in the Pacific Region and Their Relationship to Diet Quality in Solomon Islands

Space‐Efficient 3D Microalgae Farming with Optimized Resource Utilization for Regenerative Food

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