Year

Treatment

T1

T M

T M S

M2

M S

S3

S T

2002

All

10.4

0

0.5

27.8

27.8

49.5

11.7

2003

All

10.1

0

1.8

18.9

20.7

22.3

11.4

2004

All

0

2

3.9

3.1

5.1

24.3

1.9

2005

All

9.1

10.6

1.2

9.7

0

6.6

2.9

2006

All

4.9

6.3

2

7.2

0

13

2.6

2007

All

0

1.4

3.1

21.7

22.9

47.8

1.8

2008

All

44.3

1

2.8

0

2

38.2

39.7

Times in the best model

2

2

0

1

2

0

0

2002

Native

0.3

0

0.6

8.3

8.7

34.9

1.2

2003

Native

11.1

0

2

20.8

21.4

23.9

13.1

2004

Native

18.4

9.4

1.8

9.1

0

58.8

7.3

2005

Native

2.8

1.5

2.7

0

0.7

24.9

4.7

2006

Native

0

0.5

2.5

2.2

3.7

36

1.9

2007

Native

1.5

0

1.9

5.6

7.4

46.9

3.2

2008

Native

45.3

1.8

1.4

0

0.2

37.4

38.1

Times in the best model

1

2

0

2

1

0

0

2002

Non-native

4.3

6.2

1.6

7.1

1.6

23.1

0

2003

Non-native

4.5

3.4

0.5

7.6

4.6

11.3

0

2004

Non-native

0.1

1

1.5

1.6

1.7

8.1

0

2004

Non-native

0.1

1

1.5

1.6

1.7

8.1

0

2005

Non-native

1.3

2

3.8

0

1.8

6.5

3.2

2006

Non-native

0

2

3.6

0.7

2.7

7.9

1.6

2007

Non-native

4.2

0

0.3

21.2

23.1

38.4

4.4

2008

Non-native

27.2

2.1

1.1

1.6

0

29.2

29.2

Times in the best model

1

1

0

1

1

0

3

Σ times in the best model

4

5

0

4

4

0

3

1. Temperature, 2. Mid-domain model, 3. Sum of all individuals 100cm-2 wk-1
Table 2: The ΔAICc for each combination of model parameters.