The idea of conservation might seem like a thing that’s only popped up in the last century or so, but organized efforts to conserve resources that directly benefit humans go back centuries!
Hosted by: Michael Aranda
SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
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Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
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Sources:
https://onlinelibrary.wiley.com/doi/full/10.1111/ibi.12867
https://www.researchgate.net/publication/38104317_Putting_the_rise_of_the_Inca_Empire_within_a_climatic_and_land_management_context
https://www.pbs.org/wgbh/nova/article/inca-empire/
https://americanhistory.si.edu/norie-atlas/guano-trade
https://www.intechopen.com/books/seabirds/guano-the-white-gold-of-the-seabirds
https://www.nature.com/articles/s41598-019-41030-6
https://www.smithsonianmag.com/science-nature/seabird-poop-worth-more-1-billion-annually-180975504/
https://www.nature.com/articles/s41598-018-36585-9
https://pubs.acs.org/doi/10.1021/acs.est.9b02098
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6415787/
https://americanhistory.si.edu/blog/what-load-guano-5-facts-you-didnt-know-about-bird-poop
Images:
https://wellcomecollection.org/works/m7jarbgt
https://commons.wikimedia.org/wiki/File:Tawantinsuyu_(orthographic_projection).svg
https://commons.wikimedia.org/wiki/File:FMIB_42121_Very_small_portion_of_a_flock_of_cormorants_on_the_south_island_of_the_Chinchas.jpeg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/flock-of-birds-on-the-ballestas-islands-off-the-coast-of-peru-gm1096652424-294464484
https://www.istockphoto.com/photo/pelicans-and-cormorants-gm472777906-63629797
https://www.istockphoto.com/photo/panorama-of-yosemite-valley-at-sunset-gm962031422-262726606
https://www.istockphoto.com/photo/coral-reef-gm153971297-17794310
https://www.istockphoto.com/photo/bird-poop-on-window-of-car-gm468687214-61892972
https://www.istockphoto.com/photo/guanay-cormorant-sitting-on-a-rock-gm472204178-63237147
https://www.istockphoto.com/photo/peruvian-booby-gm1219591281-356800999
Hosted by: Michael Aranda
SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, charles george, Alex Hackman, Chris Peters, Kevin Bealer
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
https://onlinelibrary.wiley.com/doi/full/10.1111/ibi.12867
https://www.researchgate.net/publication/38104317_Putting_the_rise_of_the_Inca_Empire_within_a_climatic_and_land_management_context
https://www.pbs.org/wgbh/nova/article/inca-empire/
https://americanhistory.si.edu/norie-atlas/guano-trade
https://www.intechopen.com/books/seabirds/guano-the-white-gold-of-the-seabirds
https://www.nature.com/articles/s41598-019-41030-6
https://www.smithsonianmag.com/science-nature/seabird-poop-worth-more-1-billion-annually-180975504/
https://www.nature.com/articles/s41598-018-36585-9
https://pubs.acs.org/doi/10.1021/acs.est.9b02098
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6415787/
https://americanhistory.si.edu/blog/what-load-guano-5-facts-you-didnt-know-about-bird-poop
Images:
https://wellcomecollection.org/works/m7jarbgt
https://commons.wikimedia.org/wiki/File:Tawantinsuyu_(orthographic_projection).svg
https://commons.wikimedia.org/wiki/File:FMIB_42121_Very_small_portion_of_a_flock_of_cormorants_on_the_south_island_of_the_Chinchas.jpeg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://commons.wikimedia.org/wiki/File:Inca_Garcilaso_1879.jpg
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/ancient-inca-circular-terraces-in-moray-peru-gm1193108957-339240317
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/peruvian-gray-pelican-on-the-water-gm1269708500-372940495
https://www.istockphoto.com/photo/flock-of-birds-on-the-ballestas-islands-off-the-coast-of-peru-gm1096652424-294464484
https://www.istockphoto.com/photo/pelicans-and-cormorants-gm472777906-63629797
https://www.istockphoto.com/photo/panorama-of-yosemite-valley-at-sunset-gm962031422-262726606
https://www.istockphoto.com/photo/coral-reef-gm153971297-17794310
https://www.istockphoto.com/photo/bird-poop-on-window-of-car-gm468687214-61892972
https://www.istockphoto.com/photo/guanay-cormorant-sitting-on-a-rock-gm472204178-63237147
https://www.istockphoto.com/photo/peruvian-booby-gm1219591281-356800999
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