This is the best tl;dr I could make, [original](https://phys.org/news/2021-01-eastern-mediterranean-species-collapse.html) reduced by 81%. (I'm a bot)
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> Populations of marine molluscs have collapsed in recent decades in parts of the eastern Mediterranean as warming waters have made conditions unsuitable for native species, new research showed Wednesday.

> &quot;Tolerance to temperature is what really matters here and most of the native Mediterranean species are in the easternmost Mediterranean Sea at the limits of their tolerance to temperature,&quot; he said.

> Albano said the Eastern Mediterranean was &quot;Paradigmatic of what is happening in marine ecosystems due to global warming: species respond to warming by shifting their ranges and in some areas this means local eradication of species."


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[**Extended Summary**](http://np.reddit.com/r/autotldr/comments/krml4d/warming_driving_eastern_mediterranean_species/) | [FAQ](http://np.reddit.com/r/autotldr/comments/31b9fm/fa

Warming driving Eastern Mediterranean species collapse: study