Table 1 Summary of results from aster model comparisons testing the effect of population origin on individual (first year) and group (fourth year) fitness at Beer Sheva transplant location

From: Introduction beyond a species range: a relationship between population origin, adaptive potential and plant performance

Model

Model d.f.

Test d.f.

Test deviance

P-value

Model d.f.

Test d.f.

Test deviance

P-value

First year (3 pop.)

Fourth year (3 pop.)

 Full

3

   

2

   

Block

7

4

39.3

<0.0001

4

2

3.0

0.23

Population

9

2

56.5

<0.0001

6

2

63.1

<0.0001

First year (HA vs MH)

Fourth year (HA vs MH)

 Full

3

   

2

   

Block

7

4

47.7

<0.0001

4

2

0.9

0.62

Population

8

1

3.0

0.08

5

1

0.1

0.73

First year (HA vs K)

Fourth year (HA vs K)

 Full

3

   

2

   

Block

7

4

37.7

<0.0001

4

2

10.6

<0.0001

Population

8

1

46.7

<0.0001

5

1

64.5

<0.0001

First year (K vs MH)

Fourth year (K vs MH)

 Full

3

   

2

   

Block

7

4

28.6

<0.0001

4

2

0.5

0.90

Population

8

1

33.3

<0.0001

5

1

44.4

<0.0001

  1. Abbreviations: HA, Har Amasa; K, Ammiad Karst; MH, Mount Hernon.
  2. Likelihood ratio tests were used to compare the fit of the full model with reduced models that sequentially dropped terms. Analysis of deviance (−2 log likelihood) and χ2 P-values for each model test are listed.
Back to article page