Homework Help: ecology

Posted by jack on Tuesday, February 16, 2010 at 11:07am.

examples of how humans have increased their food supply and what effects these methods have on the environment overall.

ecology - Ms. Sue, Tuesday, February 16, 2010 at 11:43am
Extensive irrigation >> depletes water table

Fertilizer >> run off pollutes streams

Bioengineered plants >>
http://www.npr.org/templates/story/story.php?storyId=114206060
ecology - bobpursley, Tuesday, February 16, 2010 at 2:10pm
you might investigate the effects of fish farming on water downstream, also.

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