The four stages of pond succession are pond pioneers, the appearance of submerged vegetation around the pond, decomposing materials elevating the pond floor, and the formation of a marsh. Ponds are shallow depressions where water accumulates. They are the result of geological processes.
Eventually, ponds fill with dirt and debris and become soil. This procedure takes centuries to complete. Pond pioneers are aquatic organisms and the seeds that birds deposit in the pond. Plants grow along the pond’s bottom, then die and decay, forming layers and elevating the pond’s floor. The vegetation covers the entire ground, becoming a swamp. When trees grow in water, a marsh transforms into a swamp. The bog may dry up and transform into a woodland or grassland.
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