Question

why is thermal pollution harmful to aquatic life​

Answer 1

Answer:

Thermal pollution is called that because it overwhelms the natural temperature control mechanisms that work in the water. The sudden temperature change poses a health risk to a wide range of aquatic and amphibious creatures.

Answer 2

Answer:

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Explanation:

Thermal pollution results from the addition of heat to surface waters (rivers, lakes, and oceans) in an amount that creates adverse conditions for the survival of aquatic life (Goudie, 1994; Pluhowski, 1970). As water warms up, its saturation values of dissolved oxygen decrease, the metabolism of aquatic life increases and more oxygen is used by these organisms. Thus, for each 10°C temperature rise, the oxygen consumption of aquatic fauna nearly doubles. The rate of biochemical oxygen demand increases, resulting in oxygen depletion. Species of aquatic life change to less desirable forms (for example, trout are replaced with catfish, diatoms are replaced with blue-green algae, which can cause taste and odor problems), eutrophication or the aging of this surface water is speeded up, and adverse effects of compounds toxic to fish and other aquatic life generally increase with rising temperature