Ecological Archives E091-034-A6

Philip Camill, Laura Chihara, Brad Adams, Christian Andreassi, Ann Barry, Sahir Kalim, Jacob Limmer, Mike Mandell, and Greg Rafert. 2010. Early life history transitions and recruitment of Picea mariana in thawed boreal permafrost peatlands. Ecology 91:448–459.

Appendix F. Treatment combinations for the parametric seedling survival functions rank ordered by the median time to death (months).

TABLE F1. Treatment combinations for the parametric seedling survival functions rank ordered by the median time to death (months). Significant differences among treatment combinations are denoted in the final column.


Treatment†

Median time to death (months)

95% confidence interval

Significance‡

Dry, C, NF

686.5

420.3–1121.5

A

Dry, NC, NF

547.9

336.3–892.6

AB

Dry, C, F

295.4

224.3–388.9

BC

Medium, C, F

259.5

201.4–334.4

C

Dry, NC, F

235.7

179.7–309.2

C

Medium, C, NF

230.8

182.7–291.7

C

Medium, NC, F

207.1

161.3–265.9

C

Medium, NC, NF

184.2

146.4–231.7

C

Wet, C, F

23.2

21.2–25.4

D

Wet, C, NF

20.2

18.5–22.2

DE

Wet, NC, F

18.5

16.9–20.3

DE

Wet, NC, NF

16.1

14.8–17.7

E

† Treatment abbreviations: water table depth categories (dry, medium, wet), C = competition, NC = no competition, F = fertilized, NF = unfertilized.
‡ Treatments that are significantly different at the α = 0.05 level are denoted by different letters.


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