Ecological Archives M074-002-A1

Eric S. Menges and Pedro F. Quintana-Ascencio. 2004. Population viability with fire in Eryngium cuneifolium: deciphering a decade of demographic data. Ecological Monographs 74:79–99.

Appendix A. A table showing logistic regression P values of Eryngium cuneifolium rosette diameter and number of stems on annula survival and sample sizes.

Year (for annual survival)

P value for predictor(s)

N

Rosette diameter

Number of stems

1998–1999

0.280

0.664

366

1997–1998

0.120

0.650

384

1996–1997

0.001

0.199

512

1995–1996

0.812

0.354

629

1994–1995

<0.001

0.045

674

1993–1994

<0.001

<0.001

651

1992–1993

<0.001

<0.001

866

1991–1992

<0.001

<0.001

801

1990–1991

<0.001

<0.001

896

   Notes: Predictor variables are from the first year of the pair. The strongest predictor for each year is bolded.



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