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population growth, ecological sustainability?

Discussion of the distribution and abundance of living organisms and how these properties are affected by interactions between the organisms and their environment

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population growth, ecological sustainability?

Postby b1163 » Sun Dec 12, 2010 3:25 am

in class we spoke about ''angel island'', what happened is that a population of deers where starving in environment A so they brought it to environment B to feed them and stuff, but more than 80% of them died within a year.
i dont understand why??
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Postby jwalin » Sun Dec 12, 2010 2:07 pm

Hmm I dont know exactly what could have happened... But what follows is my best shot.
The change in the environment, the change that now they were being "stuffed" could have killed them. Their bodies must have got used to very less food and when forcefully fed something must have gone wrong in their bodies and killed them. Now what could have gone? This is where i aint sure of. Perhaps it must have been the digestive system / the excretary system... hmm I think liver should be the organ that must have suffered damage.
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Postby Julie5 » Mon Dec 13, 2010 9:49 am

Maybe they were exposed to pathogens extant on the second location, to which they were not naturally adapted/immune, and that's why they all died?
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Postby jwalin » Fri Dec 17, 2010 2:56 am

hmm mutagens in the diet perhaps the concentration could have increased...
Yes a possibility it is indeed.
hmm though if we were to talk about the amount of the mutagens in the environment then i dont know i dont think that should affect as much as in it will affect but that is something that will be in such low concentration that it wouldnt make a diff and if it were to make an effect it would take a lot more time than years....
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