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The Dawn of the Forests Brought Waves of Death to the Oceans


Nikk Ogasa, Contributor
( Inside Science ) Lub-dub. Lub-dub. Lub-dub.
Like the pulse of a throbbing heart, death beat down upon the seas around 376 million to 360 million years ago. During this time over 70% of animal species disappeared, most of which lived in the ocean. These creatures perished in waves of extinction as oxygen levels in the water oscillated and the downward swings repeatedly suffocated the seas. It was the most devastating period of the Late Devonian Mass Extinction one of the five largest extinctions to ever plague the planet. But what triggered these pulses of death has remained a hotly debated topic. Now, scientists believe that the earth s orbital cycles and the emergence of the first forests may have converged to produce this fatal rhythm.  ....

United States , University Of Alabama , Sarah Carmichael , University Of Bremen , Appalachian State University , Inside Science , Late Devonian Mass , David De Vleeschouwer , Planetary Science Letters , Upper Kellwasser , Plate Devonian , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் அலபாமா , சாரா கார்மைக்கேல் , பல்கலைக்கழகம் ஆஃப் ப்ரெமன் , அபலாசியன் நிலை பல்கலைக்கழகம் , உள்ளே அறிவியல் , தாமதமாக டெவோனியன் நிறை , கிரகங்கள் அறிவியல் எழுத்துக்கள் , தாமதமாக டெவோனியன் ,