MEXICO: Researchers have found a new technique which provide insights on birthplace of Chinook salmon. This technique allows the researchers to trace the birthplace and also to learn the first five years of the salmon’s life.
The study is carried by the researchers at the University of Alaska Fairbanks .
Researchers believe that the new technique will provide new understandings on the behavior of other species and it will also provide information on how location affects the fish’s survival.
In 2011, researchers discovered a chemical signature on the ear bones of the Chinook salmon, which are captured from the Alaskan Bristol bay region.
Researchers have observed the otoliths or fish ear bones, and they found that otolith grows layers as the fish grows, and the growth rings persist throughout the life of the salmon.
Researchers have found an element called strontium, which is generally found in bedrock and varies depending upon the location.
They discovered that strontium is transferred to the salmon by getting trapped to its ear bones while it swims.
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