Transcript Relative width of annual rings (mm) 115105958575(a) Mean number of cones per tree ( 102)

Relative width of annual rings (mm)
120
115
110
105
100
95
90
85
80
75
0
(a)
2
4
6
8
10
12
14
16
18
Mean number of cones per tree ( 102)
20
22
Figure 10.2b: Sardinellas
Absolute fecundity
(Number of oocytes  103)
40
35
30
25
20
15
0.03
0.04
0.05
0.06
0.07
Specific growth rate (mm)
0.08
0.09
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Figure 10.16
Figure 10.1a
0.6
Mortality ration (qx)
Milk
0.5
0.4
0.3
0.2
0.1
0
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Yeld
Figure 10.1b
100
Yeld
Fecundity (%)
90
80
70
60
50
40
Milk
3
4
5
6
7
8
9
10 11 12 13 14 15
Hind age (years)
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Optimizing ffspring quantity vs quality
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Trade-off between quality and quantity of offspring
105
Number of seeds per stem
Solidago populations
Old field
Prairie (mature)
104
103
102
101
(a)
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Oak woods
Prairie (disturbed)
102
103
Mean weight (mg) of
single seed within a population
104
2.2
Body mass (g)
2.0
1.8
1.6
1.4
1.2
1.0
2
(b)
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4
14
6
10
12
8
Litter size (number of offspring)
16
18
Figure 10.10b