I remember a visceral introduction to this idea with this essay, describing a fall in cortisol in whale poop when shipping paused after 9/11: https://aeon.co/essays/what-would-happen-in-the-ocean-if-humanity-went-quiet
I remember a visceral introduction to this idea with this essay, describing a fall in cortisol in whale poop when shipping paused after 9/11:
https://aeon.co/essays/what-would-happen-in-the-ocean-if-humanity-went-quiet