Succession and Natural Selection Wk 3

Succession and Natural Selection Wk 3 - Succession and...

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Succession and Natural Selection 1 Succession and Natural Selection After viewing the succession of the ecosystem in the succession animation, I believe that it is a secondary succession due to seeing a response to a disturbance, which in this scenario is flooding. This flooding occurs due to beavers trying to build a pond so that they can build a lodge. It is overloading the valley and the persistent soil around the roots of the trees is flooded by water. The trees die and finally fall into the water and therefore, the first plant that inhabits the pond is sedge grass, followed by sphagnum moss and leather leaf that grow behind it. After that, the trees start to grow due to the bog mat being firmer and more established. Now the accumulation of peat begins to raise the level of the pond’s bottom and as this progress continues, more sphagnum moss and leatherleaf grows, allowing more tress, first pine and then hardwood, to develop. However, this process may take more than 100 years to occur.
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This note was uploaded on 05/17/2010 for the course COM com 220 taught by Professor Glad during the Spring '10 term at The University of Tokyo.

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Succession and Natural Selection Wk 3 - Succession and...

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