Are natural or artificial pools of water (like ponds) carbon positive, negative or neutral? They store carbon, but anaerobes release methane, don't they?
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1$\begingroup$ What size of water bodies are we talking about? Which climate? Which inflow of nutrition? Which time scale? $\endgroup$– ErikJun 14, 2022 at 14:29
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$\begingroup$ @Erik like, a run-of-the-mill type $\endgroup$– Sergey ZolotarevJun 14, 2022 at 18:13