In aquatic ecosystems, most nutrients regenerate in

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Most nutrients in aquatic ecosystems regenerate in sediments. This is because dead organic matter and excreta from living organisms sink to the bottom, where they are decomposed by bacteria and other microorganisms. This decomposition process releases nutrients, such as nitrogen and phosphorus, back into the water column, where they can be taken up by plants and other organisms. Additionally, sediments can act as a sink for nutrients that are brought in from external sources, such as runoff from agricultural fields or sewage discharges.

In Aquatic Ecosystems, Most Nutrients Regenerate in