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November 27th, 2013, 08:55 PM   #1
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Growth rate

how to calculate the percentage of an age class with with birth rate and survival rate, also how would you find growth rate.( Im just not sure if i use the eigenvalue or eigenvector, and the survival rate or birthrate)

Age(years) [Birth rate] Survival Rate
0-2 [ 0.00 ] 0.91
2- 4 [ 0.02 ] 0.88
4-6 [ 0.7 ] 0.85
6-8 [ 1.53 ] 0.80
8-10 [ 1.67 ] 0.74
10-12 [ 1.65 ] 0.67
12-14 [1.56] 0.59
14-16 [ 1.45] 0.49
16-18 [1.22] 0.38
18-20 [0.91] 0.27
20-22 [0.70] 0.17
22-24 [0.22] 0.15
24-26 [0.00] 0.00

the eigenvalue is 1.33 and the eigenvector is :
0.747
0.510
0.337
0.215
0.129
0.072
0.036
0.016
0.06
0.02
0.00
0.00
0.00
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