The appearance of new ecological niches propels the evolution of species, but the converse can also occur. A study shows that changing lake habitats have caused extinctions and reduced the genetic differences between species. See Article p.357
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McKinnon, J., Taylor, E. Species choked and blended. Nature 482, 313–314 (2012). https://doi.org/10.1038/482313a
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DOI: https://doi.org/10.1038/482313a
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