Experimental spruce regeneration as a function of scarification and the interaction between burn status and seed addition.

Squares and error bars represent model fit and 95% confidence intervals from a generalized linear mixed effect model with a type I negative binomial distribution and random effects of sampling year (2 levels) crossed with grid (2 levels), plot (12 levels) nested within grid, and block (5 levels) nes...

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Bibliographic Details
Main Authors: Xanthe J. Walker (3715783), Brain K. Howard (11619743), Mélanie Jean (3715789), Jill F. Johnstone (8027336), Carl Roland (6504848), Brendan M. Rogers (9184067), Edward A. G. Schuur (2663494), Kylen K. Solvik (11619746), Michelle C. Mack (8949893)
Format: Still Image
Language:unknown
Published: 2021
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Online Access:https://doi.org/10.1371/journal.pone.0258558.g010
Description
Summary:Squares and error bars represent model fit and 95% confidence intervals from a generalized linear mixed effect model with a type I negative binomial distribution and random effects of sampling year (2 levels) crossed with grid (2 levels), plot (12 levels) nested within grid, and block (5 levels) nested within plot and grid. Points represent raw data. Note the break in Y-axis for scarification treatment and difference in Y-axes between panels. See Table 2 for model results.