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In the movie Cast Away with Tom Hanks the character survives 4 years on a small island. But that was a movie. It is a common cartoon image to see a single person on small island with one coconut t...
Question
survival
#2: Attribution notice added
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System
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2020-04-17T23:47:21Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/q/13390 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#1: Initial revision
<p>In the movie <a href="http://www.imdb.com/title/tt0162222/" rel="nofollow noreferrer">Cast Away</a> with Tom Hanks the character survives 4 years on a small island. But that was a movie. It is a common cartoon image to see a single person on small island with one coconut tree, this seems unlikely to be survivable. </p> <p>In real life <a href="https://en.wikipedia.org/wiki/Jos%C3%A9_Salvador_Alvarenga" rel="nofollow noreferrer">José Salvador Alvarenga</a> survived 14 months adrift in the Pacific Ocean. </p> <p>The question <a href="https://sustainability.stackexchange.com/questions/2432">What area is needed to grow enough food to sustain a person for a year?</a> (<em>Sister site, Sustainable Living</em>) has answers suggesting that as little as 4,000 sf (372 m²) will support one person, but that is best case, with tools, seed and other supplies available. </p> <p>Realistically, is there minimum size/configuration of an island that it is likely you could survive indefinitely? </p>