Learning lab Aquatic Food Systems 15.00-17.00 …...>10 ppt Freshwater
Transcript of Learning lab Aquatic Food Systems 15.00-17.00 …...>10 ppt Freshwater
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Learning lab Aquatic Food Systems15.00-17.00 Tuesday 25th June 2019
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Role of fish production in global food supply
FAO: the state of the world fisheries and aquaculture 2016
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Fish consumption in
terms of % animal
source proteinhttp://www.unep.org/dewa/vitalwater/articl
e176.html
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Some more dependent on seafood than others than others
AndreÂs M. Cisneros-Montemayor1 *, Daniel Pauly2³, Lauren V.
Weatherdon3³,Yoshitaka Ota 2016.
Coastal
indigenous people
highly vulnerable
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picture
source: Hall et al.
(2011)
Continent Production 2014
Proportion
China 45,469 61.6
Asia 20,133 27.3
Europe 2930 4.0
South America
2759 3.7
Africa 1711 2.3
North 560 0.8
Aquaculture production 2014 (thousand tonnes)
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http://www.dfo-mpo.gc.ca/aquaculture/health-sante-eng.htm
http://marineharvest.com/en/CorporateResponsibility/Qmarine-in-
practise/Marine-Harvest-Ireland-qualifies-for-Eco-Salmon-Standard/
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Aquaculture and capture fisheries
exports and apparent domestic consumption in selected countries
Belton, Bush and Little; 2018
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Links with the Sustainable Development Goals?
https://sustainabledevelopment.un.org/sdgs
Links
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Major issue: no current linkage between fish and nutrition
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Seafood Local OR International
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http://www.theguardian.com/uk
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Health properties of fish
Omega-3 fatty acids(EPA, DHA)
Protects against stroke and lowers the risk of mortality from
coronary heart disease
Other micronutrients(selenium, iodine)
Various functions
Vitamin D
Essential for the growth and maintenance of healthy bones
De Roos et al, Br J Pharmacol2009; 158(2):413-28
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using the 1000 days Platform
270 days pregnancy + 1st year Infancy 365 days + 2nd year 365 days
Intra-householdvariationin accessto foodAdolescentfemalesat risk
http://www.google.co.uk/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCPHQg86YmMgCFcfSGgodcwYJ1w&url=http://www.nutriziouz.com/?p=162&psig=AFQjCNExPNGMzOWHLwvSD3WkexJDVOxbmA&ust=1443476791068191http://www.google.co.uk/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCPHQg86YmMgCFcfSGgodcwYJ1w&url=http://www.thousanddays.org/&psig=AFQjCNExPNGMzOWHLwvSD3WkexJDVOxbmA&ust=1443476791068191
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High saline >10 ppt
Freshwater
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Very low nutrient inputs-natural productivity dependent
Increasingly intensified using nutrients given as feed ingredients sourced locally and globally
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Not all fish are equal micronutrients in
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50
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Prawn brain Carps Tilapia Sea bass Shrimp Local shrimp Prawn brain Mud Crab
Micronutrients of some major fish spp
Sodium Calcium Iron Zinc
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Not all fish are equal key micronutrients in 100g by species
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100
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Prawn brain Carps Tilapia Sea bass Shrimp Local shrimp Prawn brain Mud Crab
Chart Title
Calcium Iron Zincmg/10
mg
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TOTALAQUATICANIMAL, DYKECROPANDRICEPRODUCTION
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Farm products and destination :
Saline environments more dependent on export 47.53 37.29 19.88 20.68
52.4762.71
80.12 79.31
High sal ine Mid sal ine Low sal ine Fresh water
% o
f fa
rm p
rod
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s in
vo
lum
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Salinity level
Export items Locally consumed
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High saline Mid saline Low saline Fresh water
% o
f fa
rm p
rod
uct
s sh
ari
ng
in v
olu
me
Salinity level
Household consumption Market Gift
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A significant portion of shrimp-prawn by-products remain in Bangladesh