Humans Impact on Biogeography
December 11, 2002

Human population
3.75 MYA East Africa (Australopithecus)
        Australopithecus afarensis  (Lucy)

2 MYA  (4?) Species of Hominids
    3 Australopithecus
    A. aethiopus, A. africanus, A. garhi (this was the recent discovery from the Awash River )

    1 Homo habilis

1.75 MYA
    A. boisei, A. robustus
    Homo erectus

1 MYA
    Homo sapien
    Homo neanderthal

Recent
Homo sapien sapien

H. sapien sapien made it to the new world @ 20 KYA
although there may be archeological evidence to suggest that humans were in S. America prior to this time

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Cultivation Origins (see map in notes in library)

S.W. Asia:  Milet,. soybean, radish, tea. peach, apricot, orange, lemon

C. ASia: spinach, onion, garlic, almond, pear, apple

India/ SE Asia:  rice, sugar cane, cotton, banana

Mexico/C. America:  maize, cotton, red pepper, agave

S. America:  tomato, potato, tobacco, peanut, pineapple

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Human impact

    Agriculture

    Destruction of Habitat

    Greenhouse Gases

    Global warming
 

Okay that's it. Check out the review sheet and good luck in studying for finals.  Thanks for being good students. I have enjoyed having you all in class. Good Luck in your future endeavors!