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Friday 22.06.2018 | Name days: Ludmila, Laimdots, Laimiņš

Global warming - good after all?

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It turns out global warming is good after all, you only need to wait… a couple of million years, scientists say.

Study carried out by professors at the University of York reveals that geologically warm periods contribute to biodiversity. However, this only works on long time-scales.

The study finds that biodiversity in warm periods increases over periods of millions of years, according to those involved in the project.

But the bad news is that species loss happens much faster – when temperatures first start climbing, reports The Register.

The research studied marine invertebrate diversity over a period of 540 million years. The scientists were replicating an earlier study but with a larger set of data.

Scientists claim that results of the study help resolve what looked like a paradox in biodiversity data.

“The greatest biodiversity is to be found near the equator, but most previous analysis of the fossil record did not bear out that picture. The new results reverse the previous conclusions and bring them into line with the ecological pattern,” says Dr Alistair McGowan from University of Glasgow.

“The improved data give us a more secure picture of the impact of warmer temperatures on marine biodiversity and they show that, as before, there is more extinction and origination in warm geological periods. But, overall, warm climates seem to boost biodiversity in the very long run, rather than reducing it,” adds York biologist Dr Peter Mayhew.

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