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Ecology Life Table
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n
x
# alive at year=x
l
x
Proportion surviving in relation to n
0
n
1
/n
0
n
2
/n
0
d
x
# dying between 2 intervals
d
0
=n
0
-n
1
d
1
=n
1
-n
2
q
x
Rate or mortality
q
1
=d
1
/n
1
q
2
=d
2
/n
2
T
x
Diagonal summation on L
x and previous
T
x
e
x
e
x
=T
x
/n
x
e
0
=T
0
/n
0
L
x
Average between 2 points
L
x
=(n
x+
n
x
)/2
L
8
=(n
9
+n
8
)/2
L
7
=(n
8
+n
7
)/2
Author
5831usmc
ID
43341
Card Set
Ecology Life Table
Description
Ecology Life Table
Updated
2010-10-19T15:54:49Z
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