Here is a fine article on Discovery News that gives an overview of the effect of removing a top predator from an ecosystem. Nicely done, with a mix of pictures and video.
As a side example, when you remove the mega predators from an ecosystem, the songbird population takes a complete dump. Why? Because the meso predators such as oppossum, skunk, mink, weasel, fox and raccoon no longer have as much control on their populations and eat up a bunch of birds and eggs.
Enjoy learning about the web that binds, pull on one string and its hard to predict what else will move,
Bp
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