The Great Wall of China

No, this isn’t about Google censoring searches in China.

It is a basic question spawned by a comment in the Dilbert Blog.

If you know the history of the Great Wall, it was highly successful in keeping out animals.

Seriously, was it good at keeping out animals?

Given the age of the wall and the length, if it were any good at keeping out animals, I would expect there to be some differentiation between various species that lived on either side of the wall. Not much, certainly, as the wall is pretty young in the global age.

Has there been a study of the environmental impact of the Great Wall?



3 Responses to “The Great Wall of China”

  1. Kevin Ballar says:

    Wow, that’s actually a really good question. If you find out the answer, please let us know!

  2. Rene says:

    The main study seems to encompass only plant life.

    http://english.people.com.cn

    http://www.ncbi.nlm.nih.gov

    http://www.sciencemag.org

    Of note is that “habitat… fragmentation at a variety of spatial scales has been widely acknowledged as a primary cause of the decline of many species worldwide.” ref

    Further reading on habitat fragmentation may lead you to some healthy speculation on the wall’s effects. 😛

  3. Rene says:

    Fix those links >.

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