Exotic Brome-Grasses in Arid and Semiarid Ecosystems of the Western US

Table 6.3

(continued)

Cultivars available

147

21.0028 <0.0001

16.856 (5.036–56.414)

10.5678 0.0012

6.491 (2.092–19.693)

9.5889

0.0020

5.833 (1.910–17.810)

18.8994 <0.0001

13.731 (4.215–44.731)

Low min. temp.

110

11.5505 0.0007

0.872 (0.805–0.943)

4.4480

0.0349

0.935 (0.878–0.995)

5.0512

0.0246

0.931 (0.876–0.991)

7.0060

0.0081

0.903 (0.836–0.974)

High max. temp.

110

13.4449 0.0002

1.267 (1.116–1.437)

9.0555

0.0026

1.143 (1.048–1.246)

10.1639 0.0014

1.151 (1.056–1.256)

10.3829 0.0013

1.220 (1.081–1.377)

Wide temp range

110

20.9695 <0.0001

1.178 (1.098–1.264)

12.2717 0.0005

1.099 (1.040–1.148)

13.7853 <0.0002

1.099 (1.046–1.155)

15.1755 <0.0001

1.133 (1.064–1.206)

Low min. precip.

110

15.2055 <0.0001

0.991 (0.987–0.996)

16.6878 0.0001

0.993 (0.999–0.997)

10.2624 0.0014

0.996 (0.994–0.999)

12.7326 0.0004

0.992 (0.988–0.996)

High max. precip.

110

15.3495 <0.0001

1.001 (1.000–1.001)

7.6914

0.0055

1.001 (1.000–1.001)

10.7369 0.0011

1.001 (1.000–1.001)

9.7984

.0017

1.001 (1.000–1.001)

Wide precip. range

110

21.2073 <0.0001

1.001 (1.001–1.002)

14.6014 0.0001

1.001 (1.000–1.001)

16.8083 0.0001

1.001 (1.000–1.001)

15.5000 <0.0001

1.001 (1.000–1.001)

Odds ratio point estimates are means across species with the Wald confi

dence intervals in parentheses. Correlations were considered signifi

cant if the

p -value (Pr > Chi Sq.) was

Independent variable less than 0.05

No.

Values

Is widely introduced

Is a crop weed

Is a ruderal weed

Is an environmental weed

Wald Chi Sq.

Pr >Chi Sq.

Odds ratio point est.

Wald Chi Sq.

Pr >Chi Sq.

Odds ratio point est.

Wald Chi Sq.

Pr >Chi Sq.

Odds ratio point est.

Wald Chi Sq.

Pr >Chi Sq.

Odds ratio point est.