GEOG 1265 Lecture Notes - Lecture 10: American Bison, Pleistocene Megafauna, Outwash Plain
20 Feb 2017
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Moulin: when water from glacier drops into crevasse. Glacial meltwater stream: where water emerges from glacier/crevasse. Glacial flour: fine, grain, ground up rock. Glacial outwash: deposited on an outwash plain. Loess: windblown glacial flour, often deposited adjacent to rivers. Quaternary biogeography: term fluctuations, organisms may respond in a few ways: When the environment changes, whether short term disturbances or long: depends on genetic diversity of population. Migrate: how might this be done by plants vs. animals. Extinction: once an organism goes extinct, it is gone forever. Breast tooth: giant ground sloth, mammoth. Largest north american animal since the dinosaur: bison. Eaten by saber tooth cats: snowmastodon project (dmn&s) Human activity: changes occurred so quickly that animals couldn"t adapt or migrate, (cid:498)pleistocene overkill(cid:499) hypothesis paul martin. Animals were na ve and people could approach and. Humans hunted them to extinction hunt them very easily.
