Lect32_Life_Biogeography_2013_NKW

E 1883 krakatoa erupon killed all life but within 50

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Unformatted text preview:   Pleistocene Epoch – Fluctua@ons in temperatures •  Quaternary Period ~17,000 YA –  Last ice age at maximum advance •  Quaternary Period ~12,000 YA –  Development of Agriculture •  Quaternary Period ~ 4,000 YA –  Modern History! 12 4/9/13 History of Life •  Lots of changes in taxa •  Lots of ex@nc@ons –  Good or bad? •  How do we relate current distribu@ons of organisms with fossil evidence and phylogene@cs (especially molecular) BIOGEOGRAPHY BIOGEOGRAPHY Explain why species and higher taxa are distributed as they are, and why the diversity and taxonomic composi@on of the biota vary from one region to another. Biodiversity pacerns of species number at local to global scale Integra@on of various disciplines •  Geology •  Paleontology •  Phylogene@cs •  Ecology 13 4/9/13 CHARLES R. DARWIN 1.  “Neither the simil...
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This note was uploaded on 02/02/2014 for the course ECOL 335 taught by Professor Reinthal during the Spring '10 term at University of Arizona- Tucson.

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