Effect of Thermal Pollution On Natal Homing (chum Salmon)
Thermal pollution, which refers to the degradation of water quality by changing the ambient water temperature, has a serious effect on natal homing of Chum salmon. Chum salmon is a typical cold water fish that prefer water around 10 degrees Celsius. When water temperature is raised due to thermal pollution, Chum salmon tends to dive into deep water for thermoregulation. This reduces the time Chum salmon spent in surface water column and reduce the chance for Chum salmon to approach natal river since chemical cue for natal homing is concentrated on surface water.
Read more about this topic: Natal Homing
Famous quotes containing the words effect, pollution and/or homing:
“That when that knot’s untied that made us one,
I may seem thine, who in effect am none.
And if I see not half my dayes that’s due,
What nature would, God grant to yours and you;”
—Anne Bradstreet (c. 1612–1672)
“Like the effects of industrial pollution ... the AIDS crisis is evidence of a world in which nothing important is regional, local, limited; in which everything that can circulate does, and every problem is, or is destined to become, worldwide.”
—Susan Sontag (b. 1933)
“All money nowadays seems to be produced with a natural homing instinct for the Treasury.”
—Prince Philip (b. 1921)