Biology Reference
In-Depth Information
8000
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C
A
7000
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M
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6000
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M
5000
A
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M
B
A
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M
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4000
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MM
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3000
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2000
1000
0
0
10
20
30
40
50
60
70
1.00
B
0.99
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C
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M
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0.98
0.97
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0.96
0.95
0.94
0
10
20
30
40
50
60
70
GENERATION
Fig. 15.15
Mean population growth (A) and observed heterozygosity (B) over generations for
trial populations of spicebush (
Lindera benzoin
) that are reintroduced with different age-specifi c
reproductive schedules. Trial M is the basic trial to which the other trials can be compared (a
full description of initial conditions for basic trial M is given in the text). All trials are identical
to trial M except that:
Trial A has identical offspring production, but individuals begin to contribute pollen, and
cease contributing pollen, at earlier ages.
Trial B has identical offspring production, but individuals begin to contribute pollen, and
cease contributing pollen, at later ages.
Trial C has identical pollen production, but individuals begin to contribute offspring, and
cease contributing offspring, at earlier ages.
Trial D has identical pollen production, but individuals begin to contribute offspring, and
cease contributing offspring, at later ages.
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