Warmer weather in the Arctic means more spiders being born at the top of the world, according to new research.
Scientists in Denmark studied data from Zackenberg, Greenland – a remote outpost farther north than all of mainland Canada – where wolf spiders were trapped and tracked between 1996 and 2014.
The researchers found that the spiders in Zackenberg produced one clutch of eggs some years and two clutches other years, and that there was a correlation between how many clutches were produced and how early the snow disappeared. It is expected that there will be more of those years in the future, as the Arctic is warming faster than the rest of the planet. During the 19-year period studied, the researchers found that the snowmelt consistently moved earlier in the year, with the spiders going from never having second clutches in the 1990s to doing so more than half the time in the final few years they were tracked.
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