Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People

Export-orientated shrimp and prawn farming in coastal ghers has been associated with negative environmental, social, and nutritional impacts. This study challenges these perceptions based on field observations from four communities in South West Bangladesh. Most households observed (>60%) wer...

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Autores principales:	Abdullah-Al Mamun, Francis J. Murray, Matthew Sprague, Bruce J. McAdam, Nanna Roos, Baukje de Roos, Alexandra Pounds, David C. Little
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	nutrition sensitive aquaculture n-3 fatty acids polyculture export and local food fishery-aquaculture continuum Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456
Acceso en línea:	https://doaj.org/article/b12c2909a6204edb90655c38311091c0
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spelling	oai:doaj.org-article:b12c2909a6204edb90655c38311091c02021-11-22T06:28:08ZExport-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People2571-581X10.3389/fsufs.2021.713140https://doaj.org/article/b12c2909a6204edb90655c38311091c02021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fsufs.2021.713140/fullhttps://doaj.org/toc/2571-581XExport-orientated shrimp and prawn farming in coastal ghers has been associated with negative environmental, social, and nutritional impacts. This study challenges these perceptions based on field observations from four communities in South West Bangladesh. Most households observed (>60%) were either directly involved in seafood farming or engaged elsewhere in the seafood value chain. Our study set out to establish how the type and location of aquaculture impacted on access to and consumption of aquatic animals. Additionally, we assessed the effects of both household socioeconomic status and intra-household food allocation on individual diet and nutritional outcomes. We used a blended approach, including a 24-h consumption recall on two occasions, analysis of the proximate composition of aquatic animals and biomarkers from whole blood from a sample of the target population. The diverse polyculture systems generated broad social benefits, where “export-oriented” production actually supplied more food locally than to global markets. Key findings: (1) worse-off households achieved higher productivity of farmed aquatic animals on smaller landholding than better-off households with larger landholdings; (2) vegetable production on gher dikes was a significant source of nutrition and income in lower saline gradients; (3) more fish was eaten in lower saline gradients although fish consumption was highly variable within and between households; (4) intra-household allocation of specific foods within diets were similar across communities; (5) recommended nutrient intakes of protein and zinc exceeded daily requirements for adolescent females, but energy, calcium, and iron were below recommended intake levels; (6) n-3 LC-PUFA, expressed as percentage of total fatty acids, in whole blood samples of adolescent females declined with ambient salinity level regardless of household socioeconomic status; (7) analysis of aquatic animals consumed found that mangrove species and tilapia harvested from higher saline ghers contained high levels of desirable PUFAs. These findings suggest that export-driven, extensive coastal aquaculture can be nutrition sensitive when co-products are retained for local consumption.Abdullah-Al MamunAbdullah-Al MamunFrancis J. MurrayMatthew SpragueBruce J. McAdamNanna RoosBaukje de RoosAlexandra PoundsDavid C. LittleFrontiers Media S.A.articlenutrition sensitive aquaculturen-3 fatty acidspolycultureexport and local foodfishery-aquaculture continuumNutrition. Foods and food supplyTX341-641Food processing and manufactureTP368-456ENFrontiers in Sustainable Food Systems, Vol 5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nutrition sensitive aquaculture n-3 fatty acids polyculture export and local food fishery-aquaculture continuum Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456
spellingShingle	nutrition sensitive aquaculture n-3 fatty acids polyculture export and local food fishery-aquaculture continuum Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456 Abdullah-Al Mamun Abdullah-Al Mamun Francis J. Murray Matthew Sprague Bruce J. McAdam Nanna Roos Baukje de Roos Alexandra Pounds David C. Little Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
description	Export-orientated shrimp and prawn farming in coastal ghers has been associated with negative environmental, social, and nutritional impacts. This study challenges these perceptions based on field observations from four communities in South West Bangladesh. Most households observed (>60%) were either directly involved in seafood farming or engaged elsewhere in the seafood value chain. Our study set out to establish how the type and location of aquaculture impacted on access to and consumption of aquatic animals. Additionally, we assessed the effects of both household socioeconomic status and intra-household food allocation on individual diet and nutritional outcomes. We used a blended approach, including a 24-h consumption recall on two occasions, analysis of the proximate composition of aquatic animals and biomarkers from whole blood from a sample of the target population. The diverse polyculture systems generated broad social benefits, where “export-oriented” production actually supplied more food locally than to global markets. Key findings: (1) worse-off households achieved higher productivity of farmed aquatic animals on smaller landholding than better-off households with larger landholdings; (2) vegetable production on gher dikes was a significant source of nutrition and income in lower saline gradients; (3) more fish was eaten in lower saline gradients although fish consumption was highly variable within and between households; (4) intra-household allocation of specific foods within diets were similar across communities; (5) recommended nutrient intakes of protein and zinc exceeded daily requirements for adolescent females, but energy, calcium, and iron were below recommended intake levels; (6) n-3 LC-PUFA, expressed as percentage of total fatty acids, in whole blood samples of adolescent females declined with ambient salinity level regardless of household socioeconomic status; (7) analysis of aquatic animals consumed found that mangrove species and tilapia harvested from higher saline ghers contained high levels of desirable PUFAs. These findings suggest that export-driven, extensive coastal aquaculture can be nutrition sensitive when co-products are retained for local consumption.
format	article
author	Abdullah-Al Mamun Abdullah-Al Mamun Francis J. Murray Matthew Sprague Bruce J. McAdam Nanna Roos Baukje de Roos Alexandra Pounds David C. Little
author_facet	Abdullah-Al Mamun Abdullah-Al Mamun Francis J. Murray Matthew Sprague Bruce J. McAdam Nanna Roos Baukje de Roos Alexandra Pounds David C. Little
author_sort	Abdullah-Al Mamun
title	Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
title_short	Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
title_full	Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
title_fullStr	Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
title_full_unstemmed	Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People
title_sort	export-driven, extensive coastal aquaculture can benefit nutritionally vulnerable people
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/b12c2909a6204edb90655c38311091c0
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Export-Driven, Extensive Coastal Aquaculture Can Benefit Nutritionally Vulnerable People

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