Key Highlights
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A new study reveals that genetic variation in how quickly plants develop in their native environment can predict which ones will survive better in new, challenging climates. This discovery provides a potential tool for predicting how plant populations might adapt to global change, such as shifting to higher elevations on a mountain.
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Researchers used environmental DNA (eDNA) from rivers to uncover hidden genetic diversity in fish populations, finding distinct communities on either side of a major mountain divide in Italy. This non-invasive method is a powerful new way for scientists to map biodiversity and understand how landscapes shape the evolution of species.
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A large-scale plant study in Spain found that as the number of plant species in an area increases, the evolutionary diversity among those species actually decreases. This means new species tend to be closely related to ones already there, a pattern that holds true across very different climates from Mediterranean to Temperate regions.
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