https://padlet.com/alexandra_zieritz1/Barnosky en-us 2018-12-03 13:10:48 UTC 2018-12-04 01:46:43 UTC hello@padlet.com https://padlet.com/alexandra_zieritz1/Barnosky/wish/310709504 2018-12-04 01:13:21 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310709504 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710072 Growth of human biomass matched the loss of non-human megafauna biomass]]> 2018-12-04 01:16:54 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710072 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710122 Many non-human megafauna species suddenly disappeared whereas human biomass continued to rise (15-11,000 years ago)]]> 2018-12-04 01:17:12 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710122 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710395 Global ecosystem recovered to a new state where megafauna biomass was concentrated around one species (humans), instead of being distributed across many species (One Basin of Attraction)]]> 2018-12-04 01:19:04 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710395 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710712 Skyrocket above pre-crash baseline as human augmented the energy available to the global ecosystem by mining fossil fuels]]> 2018-12-04 01:20:55 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310710712 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310711104 Occurred just before the Industrial Revolution Began]]> 2018-12-04 01:23:19 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310711104 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712096 Only extraordinary and stepped-up conservation efforts will prevent a new round of extinctions]]> 2018-12-04 01:28:33 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712096 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712377 Unfavourably impact humans and their domesticates unless alternative energy sources are developed to replace dwindling supplies of fossil fuels]]> 2018-12-04 01:30:19 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712377 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712969 Earth's largest great extinction event (killed >178 species of world's largest mammals). The only major extinction that took place when humans were on the planet. ]]> 2018-12-04 01:33:53 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310712969 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310713264 Dramatic change in the way energy flowed through the global ecosystem, human impacts (hunting, habitat alteration), climate change exacerbated, explosion a comet over central North America (initiated Younger Dryas, widespread fires)]]> 2018-12-04 01:35:49 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310713264 https://padlet.com/alexandra_zieritz1/Barnosky/wish/310713610 To understand the potential outcomes of a similar but scaled-up natural experiment that is underway today: the exponential growth of human populations at exactly the same time the Earth is warming at unprecedented rates]]> 2018-12-04 01:38:08 UTC https://padlet.com/alexandra_zieritz1/Barnosky/wish/310713610