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School of Jackfishin Sipadan Island, Malaysia. Credit: Emily Darling, Director, Coral Reef Conservation, Wildlife Conservation Society (WCS) Millions of people in countries around the world could face an increased risk of malnutrition as climate change threatens their local fisheries.
New projections examining more than 800 fish species in more than 157 countries have revealed how two major, and growing, pressures— climate change and over-fishing—could impact the availability of vital micronutrients from our oceans.
As well as omega-3 fatty acids, fish are an important source of iron, zinc, calcium, and vitamin A. A lack of these vital micronutrients is linked to conditions such as maternal mortality, stunted growth, and pre-eclampsia.
Analyses by an international team from the UK and Canada and led by scientists from Lancaster University reveal that climate change is the most pervasive threat to the supply of essential micronutrients from marine fish catches, and threatens the supply of vital micronutrients from fisheries in 40 percent of countries. Fisheries micronutrient supplies were found to be less vulnerable to overfishing.
Countries among those whose fisheries micronutrient sources are at risk from climate change tend to be tropical nations and include East Asian and Pacific countries such as Malaysia, Cambodia, Indonesia, and Timor Leste, […]