Ecology Life Table

Card Set Information

Author:
5831usmc
ID:
43341
Filename:
Ecology Life Table
Updated:
2010-10-19 11:54:49
Tags:
Life Table
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Description:
Ecology Life Table
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  1. nx
    # alive at year=x
  2. lx
    • Proportion surviving in relation to n0
    • n1/n0
    • n2/n0
  3. dx
    • # dying between 2 intervals
    • d0=n0-n1
    • d1=n1-n2
  4. qx
    • Rate or mortality
    • q1=d1/n1
    • q2=d2/n2
  5. Tx
    Diagonal summation on Lx and previous Tx
  6. ex
    • ex=Tx/nx
    • e0=T0/n0
  7. Lx
    • Average between 2 points
    • Lx=(nx+nx)/2
    • L8=(n9+n8)/2
    • L7=(n8+n7)/2

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