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Climate change threatens food security of 65 nations

Published : Thursday, 5 August, 2021 at 12:00 AM  Count : 444

Scientists estimate that millions of people in 65 nations could face increased malnutrition as climate change and overfishing will take their toll on fisheries.
Scientists have projected that millions of people in 65 nations globally, particularly those in Africa and South-East Asia and the Pacific, could face increased malnutrition as climate change and overfishing take their toll on fisheries.
According to a study that analyzed over 800 fish species from more than 157 countries, climate change and overfishing could lead to acute shortages of vital micronutrients from the oceans.
Countries whose fisheries are at increased risk include those in Sub-Saharan Africa such as Mozambique and Sierra Leone, and East Asian and Pacific countries including Cambodia, Indonesia, Malaysia and Timor-Leste, according to the study published this month (20 July) in Current Biology.
"Countries with nutrient-dense catches are
more vulnerable to climate change, mostly tropical nations from East Asia, Pacific, and Sub-Saharan Africa where micronutrient deficiencies are particularly prevalent," says Eva Maire, the study's lead author and a senior research associate at the Lancaster Environment Centre, Lancaster University, England.
This suggests unmet potential for fisheries to help close nutrition gaps, especially amongst coastal communities.
Maire says that the study found a clear impact from climate change on the overall availability of micronutrients for 65 nations and consequently the food security of millions of people living in these countries could be threatened.
She explains that fish is a good source of protein and many vitamins, minerals, and fatty acids that are often missing in the diets of coastal populations throughout the world.
"Making fish more accessible locally could have a huge impact on global food security and combat malnutrition-related diseases in millions of people globally," she adds.
Researchers analysed the combined influence of climate change and overfishing on micronutrient availability using fish catch data from 157 countries for the years 2010 to 2014.
"Our analysis highlights the need to consolidate fisheries, climate, and food policies to secure the sustainable contribution of fish-derived micronutrients to food and nutrition security," the study says.
Edward Kimani, chief research scientist, fisheries and aquatic ecology at the Kenya Marine and Fisheries Research Institute, says that economic impacts of reduced fishery production include reduced employment and household incomes as well as other fisheries support activities and reduced trade and exports.
"It is an early warning towards preparing mitigation by reducing the impacts as well as developing alternative sources of food and economic activities to cover the loss due to overfishing and climate change," he says.





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