GEO 605 Lecture Notes - Lecture 3: Muskox, Population Growth, Ice Road Truckers
6 May 2016
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Make sure you have other viewpoints and stuff. Look at your notes (and your friends" notes) Changes work their way up the food chain. Habitat ranges of some species will increase while others decrease. You get species that mix that wouldn"t normally mix. Amplitude of overshoot/dieback shrinks each successive time until it gets closer to the carrying capacity of the environment. Main food supply for owls, foxes, and wolves. Hybrid species between grizzly and polar bear found at melville island. Covers about 2. 5 times the size of canada. As ocean freezes, the salt collects in droplets called brine. Brine is eventually squeezed out multi-year ice is fresh enough that melted, people can drink it. 24-hour sun > warmer water > less sea ice cold polar air comes down. Gets us moderate temperatures around the world. Keeping the arctic cold is crucial for regulating the entire planet.
