Ecological succession is basically a change in the structure of an ecological community over a period of time. The three pictures above show the changes a lake can go through that make it a part of ecological succession. These different stages of the lakes "life" can vary and they can be restored to a different stage. Different aquatic organisms can live in these different lakes, which makes it a big part of freshwater ecology. My aquarium would most likely fall under the eutrophic lake category because it has a larger gravel to water ratio than the other aquariums. My turtle tank is only halfway filled with water and 1/4 of the water is taken up by gravel.
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