how does the water movement affects the DO level of water
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Water temperature is one of the most important characteristics of an aquatic system, affecting:
Dissolved oxygen levels. The solubility of oxygen decreases as water temperature increases.Chemical processes. Temperature affects the solubility and reaction rates of chemicals. In general, the rate of chemical reactions increases with increasing water temperature.Biological processes. Temperature affects metabolism, growth, and reproduction.Species composition of the aquatic ecosystem. Many aquatic species can survive only within a limited temperature range.Water density and stratification. Water is most dense at 4ºC. Differences in water temperature and density between layers of water in a lake leads to stratification and seasonal turnover.Environmental cues for life-history stages. Changes in water temperature may act as a signal for aquatic insects to emerge or for fish to spawn.
Dissolved oxygen levels. The solubility of oxygen decreases as water temperature increases.Chemical processes. Temperature affects the solubility and reaction rates of chemicals. In general, the rate of chemical reactions increases with increasing water temperature.Biological processes. Temperature affects metabolism, growth, and reproduction.Species composition of the aquatic ecosystem. Many aquatic species can survive only within a limited temperature range.Water density and stratification. Water is most dense at 4ºC. Differences in water temperature and density between layers of water in a lake leads to stratification and seasonal turnover.Environmental cues for life-history stages. Changes in water temperature may act as a signal for aquatic insects to emerge or for fish to spawn.
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