In most marine ecosystems,autochthonous inputs of organic carbon are greater than allochthonous inputs of carbon.

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Autochthonous inputs refer to organic carbon produced within the marine ecosystem itself through photosynthesis and other biological processes. Allochthonous inputs refer to organic carbon that comes from outside of the ecosystem, such as terrestrial runoff or atmospheric deposition. In most marine ecosystems, the amount of organic carbon produced within the ecosystem itself is typically greater than the amount of carbon that is imported from outside sources, making autochthonous inputs greater than allochthonous inputs.

In Most Marine Ecosystems,autochthonous Inputs of Organic Carbon Are Greater