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Table 2 The effect of trait-lethal mutations is very strong

From: Trade-offs drive resource specialization and the gradual establishment of ecotypes

logλ

σ 1

σ 2

n t a

B a

n t b

B b

-1

1

0.1

1.35±0.49

1.00

2.35±0.49

0.45

-2

1

0.1

2.05±0.76

0.99

4.20±0.83

0.37

-3

1

0.1

2.25±0.85

0.98

4.25±0.72

0.36

-4

1

0.1

1.95±0.89

0.99

4.40±0.50

0.36

-1

10

1

1.05±0.22

0.81

1.20±0.41

0.11

-2

10

1

1.95±0.76

0.91

7.25±0.64

0.13

-3

10

1

2.50±0.83

0.91

8.85±0.37

0.12

-4

10

1

2.65±0.81

0.89

8.90±0.31

0.12

  1. The degree of specialization is much lower and niche breadth is much higher when mutation can only increase or decrease resource affinity by 0.1. n t is the mean of 20 simulations ± std. dev. N =1000, μ=0.05. aWithout trait-lethals. bWith trait-lethals.