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      • Oxygen is the most important chemical constituent of river systems – most organisms need it for survival. It enters the water mostly at the surface, but its solubility decreases as the water temperature increases.
      www.sciencelearn.org.nz/resources/439-river-ecosystems
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  2. Oxygen is the most important chemical constituent of river systems – most organisms need it for survival. It enters the water mostly at the surface, but its solubility decreases as the water temperature increases.

  3. Nov 7, 2022 · Our results demonstrate how oxygen and carbon in rivers potentially cycle much more rapidly over 24-h than traditional models based only on O 2 concentrations would suggest, and thus highlight...

  4. Sep 1, 2021 · Because rivers integrate biogeochemical information of catchments, their oxygen dynamics may also reflect ecosystem and landscape health. Here we summarize the most important sources and sinks of DO and its role in river systems.

    • David R. Piatka, Romy Wild, Jens Hartmann, Robin Kaule, Lisa Kaule, Benjamin Gilfedder, Stefan Peiff...
    • 2021
  5. In terms of dissolved gases, oxygen is likely the most important chemical constituent of lotic systems, as all aerobic organisms require it for survival. It enters the water mostly via diffusion at the water-air interface. Oxygen's solubility in water decreases as water pH and temperature increases.

  6. Sep 14, 2023 · Oxygen concentrations are a key aspect of water quality, with low levels linked to ecosystem stress. Research indicates that oxygen levels will decrease in hundreds of rivers across the USA...

  7. Sep 14, 2023 · Why it matters. Oxygen is crucial for plants, animals, fish and aquatic insects that live in rivers. These organisms breathe dissolved oxygen from river water. If oxygen...

  8. Jan 18, 2023 · Having long been considered ‘pipes’ conservatively transferring carbon (C) from land to the ocean, today we understand that rivers are ‘biogeochemical reactors’ that metabolize organic C (OC)...

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