Brazil – A world crew of scientists has carried out the world’s first evaluation of mercury contamination on quite a lot of fish and wildlife.
EcoToxic journal signifies that the worldwide crew, which included scientists from Brazil, France, Canada, america and different international locations, relied in its work on knowledge on the worldwide composition of biogenic mercury from the Biodiversity Analysis Institute, which included data on greater than 588 thousand samples of various organisms taken from 4.1 thousand websites. In 139 international locations.
The outcomes of this examine confirmed that mercury air pollution is widespread in marine and freshwater world wide. That’s, many meals, together with fish and marine mammals, typically include excessive concentrations of methylmercury (a extremely poisonous mercury compound) that exceed the extent secure for human well being.
It seems that the extent of mercury is greater than the permissible restrict in two-thirds (67 %) of tuna, sharks and marlin fish.
The areas most polluted with mercury that triggered scientists concern have been the Mediterranean Sea, the freshwater system in South America, and a few areas of North America.
The crew hopes that the outcomes of their work will contribute to taking measures and procedures to guard nature and human well being from the results of the poisonous metallic.
Supply: gazeta.ru
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2024-05-23 23:24:52