Climate change drives salmon evolution

| July 11, 2012
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This article or excerpt is included in the GLP’s daily curated selection of ideologically diverse news, opinion and analysis of biotechnology innovation.

Salmon DNA records stretching back over 30 years show that nature has increasingly selected for fish that migrate from the ocean earlier in the year. It is among the first pieces of genetic evidence that climate change is driving the evolution of a species. Many species have changed their migration patterns over the past few decades in response to warmer temperatures. What is difficult to tell is whether the species are changing their behaviour or evolving genetically – or both.

View the original article here: Climate change drives salmon evolution

The GLP featured this article to reflect the diversity of news, opinion and analysis. The viewpoint is the author’s own. The GLP’s goal is to stimulate constructive discourse on challenging science issues.

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